PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
PM5363
TUPP+622
SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR
FOR 622 MBIT/S INTERFACES
DATASHEET
RELEASED
ISSUE 4: JULY 2000
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
REVISION HISTORY
Issue
Issue DateDetails of Change
No.
Issue 4July 2000Update for revision B device.
De-document TU3 Inband
Error feature. Added changes
to timing and operating
conditions. All Input Hold
Times for SCLK (19.44MHz)
are changed from 1ns to
1.5ns. All Output Max Prop
Delays for HSCLK
(77.76MHz) changed from
8ns to 9ns. All Output Min
Prop Delay for SCLK
(19.44MHz) changed from
2ns to 3.5ns. Operating
Condition for V
DD3.3
changed
from 3.3V ± 10% to 3.3V ±
0.3V and operating condition
for V
changed from 2.5V
DD2.5
± 10% to 2.5V ± 0.2V.
TUGEN Bit and TUGBYP Bit
description changed. Device
ID Revision Number, SOS Bit
description and Boundary
Scan ID changed.
Issue 3Nov 1999Update Data-sheet portion to
preliminary.
Issue 2May 1999Update pin and register
description.
Issue 1December
Document created.
1998
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
TABLE 17 - THERMAL INFORMATION – THETA JC..................................431
TABLE 18 - MAXIMUM JUNCTION TEMPERATURE.................................431
TABLE 19 - THERMAL INFORMATION – THETA JA VS.
AIRFLOW 432
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
1 FEATURES
• Configurable, multi-channel, payload processor for aligning SONET virtual
tributaries (VTs) (SDH tributary units, TUs) in an STS-12 or four STS-3 (an
STM-4 or four STM-1) byte serial data streams.
• Four TUPP+622 may be used in parallel to support STS-48 (STM-16)
applications.
• Transfers all incoming tributaries in the twelve STS-1 synchronous payload
envelopes of an STS-12 or four STS-3 byte serial streams to the
corresponding twelve STS-1 synchronous payload envelopes of an outgoing
STS-12 or four outgoing STS-3 byte serial streams.
• Transfers all incoming tributaries in the four AU4 or twelve AU3 administrative
units of an STM-4 or four STM-1 byte serial streams to the corresponding four
AU4 or twelve AU3 administrative units of an outgoing STM-4 or four outgoing
STM-1 byte serial streams.
• Compensates for pleisiochronous relationships between incoming and
outgoing higher level (STS-1, AU4, AU3) payload frame rates through
processing of the lower level (VT6, VT3, VT2, VT1.5, TU3, TU2, TU12, or
TU11) tributary pointers.
• Provides software configurable offset between the payload frame boundaries
and the transport frame boundary on a per STS-3 or STM-1 basis.
• Optionally bypasses the tributary pointer interpretation function. Tributary
payload frame boundaries and payload bytes are identified by signals
coincident with the incoming data stream.
• Configurable to process any legal mix of VT1.5, VT2, VT3, VT6, TU11, TU12,
TU2, or TU3 tributaries. Each VT group or TUG2 can be configured to carry
one of four tributary types. TUG2s can be multiplexed into VC3s or TUG3s.
Each TUG3 can also be configured to carry a single TU3.
• Independently configurable for AU3 or AU4 frame format on incoming and
outgoing interfaces.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
• Configurable to process 16-byte or 64-byte format tributary path trace
messages (tributary trail trace identifiers).
• Optionally frames to the H4 byte in the path overhead to determine tributary
multiframe boundaries. Inserts internally generated H4 bytes with leading
logic 1 bits into the outgoing administrative units.
• Extracts and serializes the entire tributary path overhead of each tributary into
lower speed serial streams.
• Extracts tributary size (SS) bits of each tributary into internal registers.
• Detects loss of pointer (LOP) and re-acquisition for each tributary and
optionally generates interrupts.
• Detects tributary path alarm indication signal (AIS) and return to normal state
for each tributary and optionally generates interrupts.
• Detects tributary elastic store underflow and overflow errors and optionally
generates interrupts.
• Extracts tributary path trace message (trail trace identifier) of each tributary
into internal buffers.
• Provides individual tributary path trace message buffer that holds the
expected message and detects tributary path trace mismatch (trail trace
identifier mismatch) alarms (TIM) and return to matched state for each
tributary and optionally generates interrupts.
• Detects tributary path trace unstable (trail trace identifier unstable) alarms
(TIU) and return to stable state for each tributary and optionally generates
interrupts.
• Extracts tributary path signal label for each tributary into internal registers and
detects change of tributary path signal label events (COPSL) of each tributary
and optionally generates interrupts.
• Provides individual tributary path signal label register that hold the expected
label and detects tributary path signal label mismatch alarms (PSLM) and
return to matched state for each tributary and optionally generates interrupts.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
• Detects tributary path signal label unstable alarms (PSLU) and return to stable
state for each tributary and optionally generates interrupts.
• Detects assertion and removal of tributary extended remote defect indications
(RDI) for each tributary and optionally generates interrupts.
• Calculates and compares the tributary path BIP-2 error detection code for
each tributary and configurable to accumulate the BIP-2 errors, on block or bit
basis, in internal registers.
• Calculates and compares the TU3 path BIP-8 error detection code for each
TU3 stream and accumulates the BIP-8 errors, on block or bit basis, in
internal registers.
• Accumulates TU3 tributary remote error indications (REI) on a bit or a block
basis, in internal registers.
• Allows insertion of all-zeros or all-ones tributary idle code with unequipped
indication and valid pointer into any tributary under software control. Idle
tributaries are identified by an output signal.
• Identifies outgoing tributaries that are in AIS state by an output signal. Allows
software to force the AIS insertion on a per tributary basis.
• Inserts valid H4 byte and all-zeros fixed stuff bytes on the outgoing stream.
Remaining path overhead bytes (J1, B3, C2, G1, F2, Z3, Z4, and Z5) can be
configured to be set to all-zeros or to reflect the value of the corresponding
POH bytes in the incoming stream.
• Inserts valid pointers (H1, H2), framing bytes (A1, A2), and all-zeros transport
overhead bytes on the outgoing stream with valid "TeleCombus" control
signals.
• Supports in-band error reporting by updating the REI, RDI and auxiliary RDI
bits in the V5 byte (G1 in TU3) with the status of the incoming stream.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
• Provides low maximum tributary processing delay of 33 µs for VT1.5, 25 µs
for VT2, 17 µs for VT3, and 9 µs for VT6 streams.
• Verifies parity on the IC1J1 and IPL signals and on the incoming data stream
and generates parity on the outgoing data stream.
• May be used for multiframe synchronization or ring closure at the head-end
node of a SONET/SDH ring.
• Operates in conjunction with the PM5313 SPECTRA-622 SONET/SDH
Payload Extractor/Aligner For 622 Mbit/s or the PM5342 SPECTRA-155
SONET/SDH Payload Extractor/Aligner to align tributaries such that they can
be switched by the PM5371 TUDX SONET/SDH Tributary Unit CrossConnect. Provides backwards compatibility with the PM5362 TUPP
SONET/SDH Tributary Unit Payload Processor / Performance Monitor.
• Independently configurable incoming and outgoing interfaces that operate in
the19.44 MHz STM-1 (STS-3) or the 77.76 MHz STM-4 (STS-12) byte
interface modes.
• Provides a generic 8-bit microprocessor bus interface for configuration,
control, and status monitoring.
• Provides a standard 5 signal IEEE P1149.1 JTAG test port for boundary scan
test purposes.
• Low power, +2.5 Volt, CMOS technology, +3.3 Volt TTL compatible inputs and
outputs (5V tolerant).
• 304 pin Super BGA package.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
2 APPLICATIONS
• SONET/SDH Digital Cross-Connect
• SONET/SDH Add-Drop Multiplexer
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
3 REFERENCES
1. American National Standard for Telecommunications – Synchronous Optical
Network (SONET) – Basic Description Including Multiplex Structures, Rates,
and Formats, ANSI T1.105-1995.
2. Committee T1 Contribution, "Draft of T1.105 - SONET Rates and Formats",
T1X1.5/94-033R2-1994.
4. Committee T1 Contribution, "Proposed ITU-T Contribution on Enhanced Path
RDI for SDH", T1X1.5/94-117, 1994.
5. ITU, Recommendation G.708 - "Network Node Interface For The
Synchronous Digital Hierarchy", 1993.
6. ITU, Recommendation G.709 - "Synchronous Multiplexing Structure", 1993.
7. ITU, Recommendation G.782 - "Types and general characteristics of
synchronous digital hierarchy (SDH) equipment", January 1994.
8. ITU, Recommendation G.783 - "Characteristics of synchronous digital
hierarchy (SDH) equipment functional blocks", April 1997.
9. Bell Communications Research - SONET Transport Systems: Common
Generic Criteria, TR-TSY-000253, Issue 2, December 1991.
10. Bell Communications Research - SONET Transport Systems: Common
Generic Criteria, GR-253-CORE, Issue 2, Rev. 1, December 1997.
11. Bell Communications Research - SONET Add-Drop Multiplex Equipment
(SONET ADM) Generic Criteria, GR-496, Issue 1, December 1998.
12. Bell Communications Research - SONET Dual-Fed Unidirectional Path
Switched Ring (UPSR) Equipment Generic Criteria, GR-1400-CORE, Issue 2,
January 1999.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
13. European Telecommunications Standards Institute, Transmission and
Multiplexing (TM); Generic Functional Requirements for SDH Transmission
Equipment, Part 1, Generic Process and Performance, ETS 300 417-1-1,
January 1996.
14. PMC-981215 “PM669 (0.25um RAM test chip) and P25 (Galax! I/O test chip)
Rev. A Characterization Report”. Issue 1. February 9, 1999.
15. PMC-1991211 “PM5363-BI Rev. A (TUPP+622) Characterization Report”.
Issue 1. March 27, 2000.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
4 DEFINITIONS
The following table defines the abbreviations for the TUPP+622.
VTPPTributary Payload Processor
RTOPTributary Overhead Processor
RTTBTributary Trace Buffer
STPSTM-1 (STS-3) Tributary Processor
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5 APPLICATION EXAMPLES
The TUPP+622 can be used in SONET/SDH network elements including
switches, terminal multiplexers, and add-drop multiplexers. In such applications,
the TUPP+622 performs VT (TU) pointer processing to align the virtual tributaries
to facilitate cross-connecting and SONET ring closure. The TUPP+622 also
performs performance monitoring of any legal mix of tributaries to implement
intermediate performance monitoring. The TUPP+622 is well suited to process
data from one STS-12 (STM-4), four STS-3’s (STM-1’s) or one quarter of an
STS-48 (STM-16).
5.1 STS-12 (STM-4) AGGREGATE INTERFACE
Figure 1 shows how the TUPP+622 is used to implement a single 77.76 MHz
STS-12 (STM-4) aggregate interface. In this application, the PM5313 SPECTRA622 performs SONET/SDH section, line and path termination and the PM5363
TUPP+622 performs tributary pointer processing and performance monitoring.
Figure 1- STS-12 (STM-4) Aggregate Interface with Tributary
Processing and Performance Monitoring
622 Mbit/s
Optical
Interface
Optical
Transceiver
RXD+/SD
TXD+/-
PM5313
SPECTRA-622
ACK
AD[7:0], ADP[1]
AC1J1V1[1]
APL[1]
DD[7:0], DDP[1]
DC1J1V1[1]
DPL[1]
DCK
ID[7:0], IDP[1]
IC1J1[1]
IPL[1]
HSCLK
PM5363
TUPP+622
OD[7:0], ODP[1]
OC1J1V1[1]
OPL[1]
77.76 MHz
8-bit
High Speed
Telecombus
Interface
Drop Add
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5.2 QUAD STS-3 (STM-1) AGGREGATE INTERFACE
The system side interface of the TUPP+622 can be configured to interface to four
SPECTRA-155's Telecombus interface. Figure 2 shows how the TUPP+622 is
connected to quad STS-3 (STM-1) aggregate interface using four 19.44 MHz
Telecom buses on the system side interface. In this application, the PM5342
SPECTRA-155's perform SONET/SDH section, line and path termination and the
PM5363 TUPP+622 performs tributary pointer processing and performance
monitoring.
Figure 2- Quad STS-3 (STM-1) Aggregate Interface with Tributary
Processing and Performance Monitoring
155 Mbit/s
Optical
Interface
155 Mbit/s
Optical
Interface
155 Mbit/s
Optical
Interface
155 Mbit/s
Optical
Interface
Optical
Transceiver
Optical
Transceiver
Optical
Transceiver
Optical
Transceiver
RXD+/SD
TXD+/-
RXD+/SD
TXD+/-
RXD+/SD
TXD+/-
RXD+/SD
TXD+/-
PM5342
SPECTRA-155
PM5342
SPECTRA-155
PM5342
SPECTRA-155
PM5342
SPECTRA-155
AD[7:0], ADP
AC1J1V1
DD[7:0], DDP
DC1J1V1
AD[7:0], ADP
AC1J1V1
DD[7:0], DDP
DC1J1V1
AD[7:0], ADP
AC1J1V1
DD[7:0], DDP
DC1J1V1
AD[7:0], ADP
AC1J1V1
DD[7:0], DDP
DC1J1V1
ACK
APL
DPL
DCK
ACK
APL
DPL
DCK
ACK
ID[31:24], IDP[4]
IC1J1[4]
IPL[4]
ID[23:16], IDP[3]
IC1J1[3]
IPL[3]
PM5363
TUPP+622
OD[31:24], ODP[4]
OC1J1V1[4]
OPL[4]
OD[23:16], ODP[3]
OC1J1V1[3]
OPL[3]
Four 19.44 MHz
8-bit
High Speed
Telecombus
APL
ID[15:8], IDP[2]
DPL
DCK
ACK
APL
DPL
DCK
IC1J1[2]
IPL[2]
ID[31:23], IDP[4]
ID[7:0], IDP[1]
IC1J1[4]
IC1J1[1]
IPL[4]
IPL[1]
SCLK
OD[15:8], ODP[2]
OC1J1V1[2]
OPL[2]
OD[7:0], ODP[1]
OC1J1V1[1]
OPL[1]
Interface
SCLK
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5.3 STS-48 (STM-16) AGGREGATE INTERFACE
Four PM5363 TUPP+622 devices can be connected to four PM5313 SPECTRA622 devices and an OC-48 front end transceiver device to implement an STS-48
(STM-16) aggregate interface. Figure 3 shows a block diagram for the STS-48
(STM-16) application. In this application, the OC-48 transceiver performs
SONET/SDH section and line processing, the SPECTRA-622 devices perform
SONET/SDH path processing, line rate decoupling, and pointer processing, and
the TUPP+622 devices perform VT (TU) pointer processing and performance
monitoring.
Figure 3- STS-48 (STM-16) Aggregate Interface with Tributary
Processing and Performance Monitoring
2488 Mbit/s
Optical
Interface
OC-48
Clock
Recovery
OC-48
Serial to
Parallel and
Parallel to
Serial
Conversion
POUT[7:0]
PIN[7:0]
OC-48 Front End
TOUT[7:0]
ROUT[7:0]
TOUT[7:0]
ROUT[7:0]
TOUT[7:0]
ROUT[7:0]
TOUT[7:0]
ROUT[7:0]
PM5313
SPECTRA-622
TFPO
TFPO
TFPO
TFPO
TFPI
TD[7:0]
PIN[7:0]
ROFP
FPIN
PM5313
SPECTRA-622
TFPI
TD[7:0]
PIN[7:0]
ROFP
FPIN
PM5313
SPECTRA-622
TFPI
TD[7:0]
PIN[7:0]
ROFP
FPIN
PM5313
SPECTRA-622
TFPI
TD[7:0]
PIN[7:0]
ROFP
FPIN
AD[7:0], ADP[1]
AC1J1V1[1]
APL[1]
DD[7:0], DDP[1]
DC1J1V1[1]
DPL[1]
AD[7:0], ADP[1]
AC1J1V1[1]
APL[1]
DD[7:0], DDP[1]
DC1J1V1[1]
DPL[1]
AD[7:0], ADP[1]
AC1J1V1[1]
APL[1]
DD[7:0], DDP[1]
DC1J1V1[1]
DPL[1]
AD[7:0], ADP[1]
AC1J1V1[1]
APL[1]
DD[7:0], DDP[1]
DC1J1V1[1]
DPL[1]
ACK
PM5363
TUPP+622
OD[7:0], ODP[1]
ID[7:0], IDP[1]
IC1J1[1]
IPL[1]
DCK
HSCLK
ACK
ID[7:0], IDP[1]
IC1J1[1]
IPL[1]
DCK
HSCLK
ACK
ID[7:0], IDP[1]
IC1J1[1]
IPL[1]
DCK
HSCLK
ACK
ID[7:0], IDP[1]
IC1J1[1]
IPL[1]
DCK
HSCLK
PM5363
TUPP+622
PM5363
TUPP+622
PM5363
TUPP+622
OC1J1V1[1]
OPL[1]
GSCLK_FP
OD[7:0], ODP[1]
OC1J1V1[1]
OPL[1]
GSCLK_FP
OD[7:0], ODP[1]
OC1J1V1[1]
OPL[1]
GSCLK_FP
OD[7:0], ODP[1]
OC1J1V1[1]
OPL[1]
GSCLK_FP
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5.4 TUPP-PLUS Compatibility and TUPP+622 Feature Enhancements
The TUPP+622 (PM5363) supports software configuration of the payload frame
alignment in the outgoing data stream. The high order path active offset may be
set to any alignment on a per-STM-1 (STS-3) basis. For example, by setting the
outgoing stream active offset contained in the STP Outgoing Pointer MSB and
LSB registers in STM-1 (STS-3) Tributary Processor #1 (STP #1) to zero, the J1
byte(s) of the outgoing AU3/AU4 in STM-1 (STS-3) #1 will be aligned to the first
payload byte(s) immediately following the H3 bytes. Similarly, the J1 byte(s) can
be aligned to the payload byte(s) immediately after the J0/Z0 bytes of the section
overhead by setting the outgoing stream active offset to 522. In the TUPP-PLUS
(PM5362), arbitrary placement of payload frame boundaries, is supported by
placing the device in floating mode and supplying the device with an outgoing
payload active signal (OPL) and a payload frame alignment signal (J1 portion of
OC1J1). Since the TUPP+622 supports this feature in software, floating mode is
no longer required. Consequently, the OC1J1 and OPL signals are deleted. The
transport frame alignment of the outgoing data stream corresponds to a delayed
version of the incoming data stream. To improve signal naming consistency in the
TUPP+622, the TUPP-PLUS equivalent LC1J1V1 and LPL signals are renamed
to OC1J1V1 and OPL, respectively. An input generated system clock frame
position (GSCLK_FP) signal is added to the TUPP+622 to enable externally
alignment of the GSCLK generation and related internal operation of the device
when the 77.76 MHz STM-4 interface mode is selected for the incoming or
outgoing interface. This feature allows a deterministic transport frame delay
through the TUPP+622 to be set. This is essential when multiple TUPP+622
devices have to be aligned in processing data streams with aggregate bandwidth
greater than an STM-4.
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6 DESCRIPTION
The PM5363 TUPP+622 SONET/SDH Tributary Unit Payload Processor For 622
Mbit/s Interfaces is a monolithic integrated circuit that implements a configurable,
multi-channel, payload processor that aligns and monitors performance of
SONET virtual tributaries (VTs) or SDH tributary units (TUs.).
When configured for SONET compatible operation, the TUPP+622 transfers all
incoming tributaries in the twelve STS-1 synchronous payload envelopes of an
STS-12 or four STS-3 byte serial streams to the corresponding twelve STS-1
synchronous payload envelopes of an outgoing STS-12 or four outgoing STS-3
byte serial streams. Similarly, when configured for SDH compatible operation, the
TUPP+622 transfers all incoming tributaries in the four AU4 or twelve AU3
administrative units of an STM-4 or four STM-1 byte serial streams to the
corresponding four AU4 or twelve AU3 administrative units of an outgoing STM-4
or four outgoing STM-1 byte serial streams. The TUPP+622 compensates for
pleisiochronous relationships between incoming and outgoing higher level (STS1, AU4, AU3) synchronous payload envelope frame rates through processing of
the lower level (VT6, VT3, VT2, VT1.5, TU3, TU2, TU12, TU11) tributary pointers.
The incoming and outgoing data streams are configurable independently.
The TUPP+622 is configurable to process any legal mix of tributaries. Each VT
group can be configured to carry any one of the four tributary types (VT1.5, VT2,
VT3, or VT6) and each TUG2 can be configured to carry any one of three
tributary types (TU11, TU12, or TU2). TUG2s can be multiplexed into a VC3 or a
TUG3. Alternatively, each TUG3 can be configured to carry a TU3.
The TUPP+622 operates in conjunction with the PM5313 SPECTRA-622
SONET/SDH Payload Extractor/Aligner For 622 Mbit/s or the PM5342
SPECTRA-155 SONET/SDH Payload Extractor/Aligner to align tributaries such
that they can be switched by the PM5371 TUDX SONET/SDH Tributary Unit
Cross-Connect.
The TUPP+622 provides useful maintenance functions. They include, for each
tributary, detection of loss of pointer, detection of AIS alarm, detection of tributary
path signal label mismatch and unstable alarms, detection of tributary path trace
mismatch and unstable alarms. Optionally, interrupts can be generated due to the
assertion and removal of any of the above alarm conditions. The TUPP+622
counts received tributary path BIP-2 (BIP-8 for TU3) errors on a block or bit basis
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
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and counts REI indications. The TUPP+622 also allows insertion of tributary path
AIS as a consequence of any of the above alarm conditions. In addition, the
TUPP+622 may insert tributary idle (unequipped) into any tributary. Incoming
tributary path trace messages and path signal labels are stored in a set of
microprocessor accessible registers. The TUPP+622 can also insert inverted
new data flag fields that can be used to diagnose downstream pointer processing
elements.
No auxiliary high speed clocks are required as the TUPP+622 operates from
either a single 19.44 MHz or a single 77.76 MHz line rate clock. The TUPP+622
is configured, controlled and monitored via a generic 8-bit microprocessor bus
interface.
The TUPP+622 is implemented in low power, +2.5 Volt Core and +3.3 Volt I/O,
CMOS technology. It has TTL compatible inputs and outputs and is packaged in a
304 pin SBGA package.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE14
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
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7 PIN DIAGRAM
The TUPP+622 is packaged in a 304 pin SBGA package having a body size of
31 mm by 31 mm and a pin pitch of 1.27 mm.
PROPRIETARY AND CONFIDENTIALTO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE15
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
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8 BLOCK DIAGRAM
TCK
TMS
TDI
TRSTB
SCLK
HSCLK
IHSMODEB
OHSMODEB
GSCLK[1:0]
IC1J1[4:1]
IP L [4:1 ]
ITMF[4 :1]
ITPL[4:1]
ITV5[4:1]
IAIS [4:1]
IDP [4 :1 ]
ID[3 1:0 ]
JTAG
Controller
Inp u t
Demux
Tributary
Payload
Processor
(VTP P)
Tributary
Payload
Processor
(VTP P)
Tributary
Payload
Processor
(VTPP)
Tributary
Path
Overhead
Processor
(RTO P)
Tributary
Trace
Buffer
(RTTB)
Tributary
Path
Overhead
Processor
(RTO P)
Tributary
Trace
Buffer
(RTTB)
Tributary
Path
Overhead
Processor
(RTO P)
Tributary
Trace
Buffer
(RTTB)
Output
Mux
TDO
OT M F[4:1]
GSCLK_FP
ODP[4:1]
OT PL[4:1]
OT V5[4:1]
OD[31:0]
AIS[4:1]
IDLE[4:1]
COUT[4:1]
TPOH[4:1]
OC1J1V1[4:1]
OPL[4:1]
POH[12 :1]
POHFP[12:1]
POHEN[12:1]
POHCK
RAD[4:1]
MBEB
RSTB
CSB
RDB
WRB
ALE
Microprocessor
Inte rfac e
ST M -1 (STS-3)
TRIBUTARY PROCESSOR
(STP) #1, #2, #3, #4
INTB
A[13:0]
D[7:0]
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE16
PM5363 TUPP+622
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
9 PIN DESCRIPTION (304)
Pin NameTypePin
Function
No.
SCLK/InputP1The system clock (SCLK) provides timing for
TUPP+622 internal operations. SCLK is a
19.44 MHz, nominally 50% duty cycle, clock.
When either incoming interface is in STM-4
mode (IHSMODEB set low) or the outgoing
interface is in STM-4 mode (OHSMODEB set
low), SCLK must be connected to GSCLK[0]
externally.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IC1J1[4:1], IPL[4:1],
ITMF[4:1], IDP[4:1], ID[31:0], ITV5[4:1],
ITPL[4:1], IAIS[4:1] and OTMF[4:1] are sampled
on the rising edge of SCLK. In outgoing STM-1
(STS-3) interface mode (OHSMODEB set high),
ODP[4:1], OTPL[4:1], OTV5[4:1], OD[31:0],
AIS[4:1], IDLE[4:1], TPOH[4:1], OC1J1V1[4:1]
and OPL[4:1] are updated on the rising edge of
SCLK.
VCLKThe test vector clock (VCLK) signal is used
during TUPP+622 production testing to verify
manufacture.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE17
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
mode system clock (HSCLK) provides timing for
TUPP+622 internal operations in incoming or
outgoing STM-4 (STS-12) interface mode
(IHSMODEB or OHSMODEB set low). HSCLK is
a 77.76 MHz, nominally 50% duty cycle, clock.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IC1J1[1], IPL[1], ITMF[1],
IDP[1], ID[7:0], ITV5[1], ITPL[1] and IAIS[1] are
sampled on the rising edge of HSCLK. In
outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OTMF[1] and
GSCLK_FP are sampled on the rising edge of
HSCLK, and ODP[1], OTPL[1], OTV5[1],
OD[7:0], AIS[1], IDLE[1], TPOH[1], OC1J1V1[1]
and OPL[1] are updated on the rising edge of
HSCLK. When the incoming and the outgoing
interfaces are in STM-1 mode (IHSMODEB and
OHSMODEB both set high), HSCLK may be left
unconnected. HSCLK has an integral pull-up
resistor.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE18
PM5363 TUPP+622
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
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Pin NameTypePin
Function
No.
IHSMODEBInputW3The active low incoming High-Speed interface
mode signal (IHSMODEB) configures the
incoming interface mode of the TUPP+622.
When IHSMODEB is set low, the 77.76 MHz
STM-4 (STS-12) interface mode is selected.
SCLK must be connected to GSCLK[0].
IC1J1[1], IPL[1], ITMF[1], IDP[1], ID[7:0],
ITV5[1], ITPL[1], IAIS[1] are sampled on the
rising edge of HSCLK. When IHSMODEB is set
high, the 19.44 MHz STM-1 (STS-3) interface
mode is selected. IC1J1[4:1], IPL[4:1],
ITMF[4:1], IDP[4:1], ID[31:0], ITV5[4:1],
ITPL[4:1], IAIS[4:1] are sampled on the rising
edge of SCLK. IHSMODEB has an integral pullup resistor.
OHSMODEB
InputY2The outgoing High-Speed interface mode signal
(OHSMODEB) configures the outgoing interface
mode of the TUPP+622. When OHSMODEB is
set low, the 77.76 MHz STM-4 (STS-12)
interface mode is selected. SCLK must be
connected to GSCLK[0]. OTMF[1] and
GSCLK_FP are sampled on the rising edge of
HSCLK. ODP[1], OTPL[1], OTV5[1], OD[7:0],
AIS[1], IDLE[1], OC1J1V1[1] and OPL[1] are
updated on the rising edge of HSCLK. When
OHSMODEB is set high, the 19.44 MHz STM-1
(STS-3) interface mode is selected. OTMF[4:1]
are sampled on the rising edge of SCLK.
ODP[4:1], OTPL[4:1], OTV5[4:1], OD[31:0],
AIS[4:1], IDLE[4:1], OC1J1V1[4:1] and OPL[4:1]
are updated on the rising edge of SCLK.
OHSMODEB has an integral pull-up resistor.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE19
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
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Pin NameTypePin
No.
GSCLK[1]
GSCLK[0]
OutputN4
N3
Function
The generated system clock (GSCLK[1:0])
signals provide timing for the TUPP+622 when
STM-4 (STS-12) interface mode is selected at
the incoming or outgoing interface (IHSMODEB
or OHSMODEB set low). GSCLK[1:0] are a
divide by four of HSCLK. GSCLK[0] must only
be connected to SCLK externally when
IHSMODEB or OHSMODEB is set low.
GSCLK[1] is a exact replica of GSCLK[0] and
can be used to supply timing to external devices
that are operating in the 19.44 MHz STM-1
(STS-3) interface timing domain. GSCLK[1:0]
are updated on the rising edge of HSCLK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE20
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
identifies the transport envelope and
synchronous payload envelope frame
boundaries on the incoming STM-4 or STM-1 #1
stream (ID[7:0]).
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IC1J1[1] is set high while
IPL[1] is low to mark the first C1 byte of the
STM-1 #1 transport envelope frame on the
ID[7:0] bus. The C1 byte position must be
coincident to the C1 byte positions of the STM-1
streams on ID[15:8], ID[23:16] and ID[31:24].
IC1J1[1] is set high while IPL[1] is high to mark
each J1 byte of the synchronous payload
envelope(s) on the ID[7:0] bus. IC1J1[1] must be
present at every occurrence of the first C1 and
all J1 bytes. The TUPP+622 will ignore a pulse
on IC1J1[1] at the byte position of the V1 byte of
the first tributary of each VC3 or the top byte of
the first fixed stuff column of each TUG3.
IC1J1[1] is sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IC1J1[1] is set high while
IPL[1] is low to mark the first C1 byte of the
STM-4 transport envelope frame on the ID[7:0]
bus. IC1J1[1] is set high while IPL[1] is high to
mark each J1 byte of the synchronous payload
envelopes on the ID[7:0] bus. IC1J1[1] must be
present at every occurrence of the first C1 and
all J1 bytes. The TUPP+622 will ignore a pulse
on IC1J1[1] at the byte position of the V1 byte of
the first tributary of each VC3 or the top byte of
the first fixed stuff column of each TUG3.
IC1J1[1] is sampled on the rising edge of
HSCLK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE21
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
identifies the transport envelope and
synchronous payload envelope frame
boundaries on the incoming STM-1 #2 stream
(ID[15:8]).
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IC1J1[2] is set high while
IPL[2] is low to mark the first C1 byte of the
STM-1 #2 transport envelope frame on the
ID[15:8] bus. The C1 byte position must be
coincident to the C1 byte positions of the STM-1
streams on ID[7:0], ID[23:16] and ID[31:24].
IC1J1[2] is set high while IPL[2] is high to mark
each J1 byte of the synchronous payload
envelope(s) on the ID[15:8] bus. IC1J1[2] must
be present at every occurrence of the first C1
and all J1 bytes. The TUPP+622 will ignore a
pulse on IC1J1[2] at the byte position of the V1
byte of the first tributary of each VC3 or the top
byte of the first fixed stuff column of each TUG3.
IC1J1[2] is sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IC1J1[2] is unused and
must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE22
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
IC1J1[3]Input
AA17
Function
The input C1/J1 frame pulse #3 (IC1J1[3])
identifies the transport envelope and
synchronous payload envelope frame
boundaries on the incoming STM-1 #3 stream
(ID[23:16]).
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IC1J1[3] is set high while
IPL[3] is low to mark the first C1 byte of the
STM-1 #3 transport envelope frame on the
ID[23:16] bus. The C1 byte position must be
coincident to the C1 byte positions of the STM-1
streams on ID[7:0], ID[15:8] and ID[31:24].
IC1J1[3] is set high while IPL[3] is high to mark
each J1 byte of the synchronous payload
envelope(s) on the ID[23:16] bus. IC1J1[3] must
be present at every occurrence of the first C1
and all J1 bytes. The TUPP+622 will ignore a
pulse on IC1J1[3] at the byte position of the V1
byte of the first tributary of each VC3 or the top
byte of the first fixed stuff column of each TUG3.
IC1J1[3] is sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IC1J1[3] is unused and
must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE23
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
identifies the transport envelope and
synchronous payload envelope frame
boundaries on the incoming STM-1 #4 stream
(ID[31:24]).
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IC1J1[4] is set high while
IPL[4] is low to mark the first C1 byte of the
STM-1 #4 transport envelope frame on the
ID[31:24] bus. The C1 byte position must be
coincident to the C1 byte positions of the STM-1
streams on ID[7:0], ID[15:8] and ID[23:16].
IC1J1[4] is set high while IPL[4] is high to mark
each J1 byte of the synchronous payload
envelope(s) on the ID[31:24] bus. IC1J1[4] must
be present at every occurrence of the first C1
and all J1 bytes. The TUPP+622 will ignore a
pulse on IC1J1[4] at the byte position of the V1
byte of the first tributary of each VC3 or the top
byte of the first fixed stuff column of each TUG3.
IC1J1[4] is sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IC1J1[4] is unused and
must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE24
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
IPL[1]InputP4The active high incoming payload active #1
(IPL[1]) signal identifies the bytes within the
transport envelope frame on the incoming STM4 or STM-1 #1 stream that carry VC3 or VC4
virtual containers, or STS-1 synchronous
payload envelopes.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IPL[1] must be brought
high to mark each payload byte on ID[7:0].
IPL[1] is sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IPL[1] must be brought
high to mark each payload byte on ID[7:0].
IPL[1] is sampled on the rising edge of HSCLK.
IPL[2]InputD14The active high incoming payload active #2
(IPL[2]) signal identifies the bytes within the
transport envelope frame on the incoming STM1 #2 stream that carry VC3 or VC4 virtual
containers, or STS-1 synchronous payload
envelopes.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IPL[2] must be brought
high to mark each payload byte on ID[15:8].
IPL[2] is sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IPL[2] is unused and must
be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE25
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Pin NameTypePin
Function
No.
IPL[3]Input
AB18
The active high incoming payload active #3
(IPL[3]) signal identifies the bytes within the
transport envelope frame on the incoming STM1 #3 stream that carry VC3 or VC4 virtual
containers, or STS-1 synchronous payload
envelopes.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IPL[3] must be brought
high to mark each payload byte on ID[23:16].
IPL[3] is sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IPL[3] is unused and must
be strapped low.
IPL[4]InputW4The active high incoming payload active #4
(IPL[4]) signal identifies the bytes within the
transport envelope frame on the incoming STM1 #4 stream that carry VC3 or VC4 virtual
containers, or STS-1 synchronous payload
envelopes.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IPL[4] must be brought
high to mark each payload byte on ID[31:24].
IPL[4] is sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IPL[4] is unused and must
be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE26
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
ITMF[1]InputU4The active high incoming tributary multiframe #1
(ITMF[1]) signal identifies the first frame of the
tributary multiframe for each STS-1 synchronous
payload envelope, AU3, or AU4 administrative
unit in the STM-4 or STM-1 #1 stream (ID[7:0]).
ITMF[1] is enabled by setting the corresponding
ITMFEN register bit high. When ITMFEN bit is
low, the path overhead H4 byte is used to
determine tributary multiframe boundaries.
ITMF[1] is selectable to pulse high during the
third byte after J1 of the first frame of the
tributary multiframe or during the H4 byte which
indicates that the next frame is the first frame of
the tributary multiframe. Selection between
marking each H4 or the third byte after each J1
is controlled by the corresponding ITMFH4
register bit. Pulses on ITMF[1] are only effective
during the H4 or third byte after each J1 byte
positions, as appropriate. When ITMFH4 is low,
ITMF[1] can be set high for the entire first frame
of the tributary multiframe. ITMF[1] must be low
for the 2nd, 3rd, and 4th frame of the tributary
multiframe. When ITMFH4 is high, ITMF[1] can
be set high for the entire fourth frame of the
tributary multiframe. ITMF[1] must be low for the
1st, 2nd and 3rd frame of the tributary multiframe.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITMF[1] is sampled on
the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITMF[1] is sampled on the
rising edge of HSCLK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE27
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
ITMF[2]InputD17The active high incoming tributary multiframe #2
(ITMF[2]) signal identifies the first frame of the
tributary multiframe for each STS-1 synchronous
payload envelope, AU3, or AU4 administrative
unit in the STM-1 #2 stream (ID[15:8]). ITMF[2]
is enabled by setting the corresponding ITMFEN
register bit high. When ITMFEN bit is low, the
path overhead H4 byte is used to determine
tributary multiframe boundaries. ITMF[2] is
selectable to pulse high during the third byte
after J1 of the first frame of the tributary
multiframe or during the H4 byte which indicates
that the next frame is the first frame of the
tributary multiframe. Selection between marking
each H4 or the third byte after each J1 is
controlled by the corresponding ITMFH4 register
bit. Pulses on ITMF[2] are only effective during
the H4 or third byte after each J1 byte positions,
as appropriate. When ITMFH4 is low, ITMF[2]
can be set high for the entire first frame of the
tributary multiframe. ITMF[2] must be low for the
2nd, 3rd, and 4th frame of the tributary multiframe.
When ITMFH4 is high, ITMF[2] can be set high
for the entire fourth frame of the tributary
st
nd
multiframe. ITMF[2] must be low for the 1
, 2
and 3rd frame of the tributary multiframe.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITMF[2] is sampled on
the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITMF[2] is unused and
must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE28
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
ITMF[3]Input
AA20
Function
The active high incoming tributary multiframe #3
(ITMF[3]) signal identifies the first frame of the
tributary multiframe for each STS-1 synchronous
payload envelope, AU3, or AU4 administrative
unit in the STM-1 #3 stream (ID[23:16]). ITMF[3]
is enabled by setting the corresponding ITMFEN
register bit high. When ITMFEN bit is low, the
path overhead H4 byte is used to determine
tributary multiframe boundaries. ITMF[3] is
selectable to pulse high during the third byte
after J1 of the first frame of the tributary
multiframe or during the H4 byte which indicates
that the next frame is the first frame of the
tributary multiframe. Selection between marking
each H4 or the third byte after each J1 is
controlled by the corresponding ITMFH4 register
bit. Pulses on ITMF[3] are only effective during
the H4 or third byte after each J1 byte positions,
as appropriate. When ITMFH4 is low, ITMF[3]
can be set high for the entire first frame of the
tributary multiframe. ITMF[3] must be low for the
2nd, 3rd, and 4th frame of the tributary multiframe.
When ITMFH4 is high, ITMF[3] can be set high
for the entire fourth frame of the tributary
st
nd
multiframe. ITMF[3] must be low for the 1
, 2
and 3rd frame of the tributary multiframe.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITMF[3] is sampled on
the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITMF[3] is unused and
must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE29
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
ITMF[4]InputAC5The active high incoming tributary multiframe #4
(ITMF[4]) signal identifies the first frame of the
tributary multiframe for each STS-1 synchronous
payload envelope, AU3, or AU4 administrative
unit in the STM-1 #4 stream (ID[31:24]). ITMF[4]
is enabled by setting the corresponding ITMFEN
register bit high. When ITMFEN bit is low, the
path overhead H4 byte is used to determine
tributary multiframe boundaries. ITMF[4] is
selectable to pulse high during the third byte
after J1 of the first frame of the tributary
multiframe or during the H4 byte which indicates
that the next frame is the first frame of the
tributary multiframe. Selection between marking
each H4 or the third byte after each J1 is
controlled by the corresponding ITMFH4 register
bit. Pulses on ITMF[4] are only effective during
the H4 or third byte after each J1 byte positions,
as appropriate. When ITMFH4 is low, ITMF[4]
can be set high for the entire first frame of the
tributary multiframe. ITMF[4] must be low for the
2nd, 3rd, and 4th frame of the tributary multiframe.
When ITMFH4 is high, ITMF[4] can be set high
for the entire fourth frame of the tributary
st
nd
multiframe. ITMF[4] must be low for the 1
, 2
and 3rd frame of the tributary multiframe.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITMF[4] is sampled on
the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITMF[4] is unused and
must be strapped low.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
ITPL[1]InputW2The incoming tributary payload active #1
(ITPL[1]) signal marks the bytes carrying the
tributary payload for the STM-4 or STM-1 #1
stream when pointer interpreter bypass is
enabled (PIBYP bit set high). When pointer
interpreter bypass is disabled (PIBYP bit set
low), ITPL[1] is ignored. Also, ITPL[1] is ignored
when IPL[1] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITPL[1] is set high to
mark each tributary payload byte of the STM-1
#1 stream on the ID[7:0] bus. ITPL[1] is sampled
on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITPL[1] is set high to mark
each tributary payload byte of the STM-4 stream
on the ID[7:0] bus. ITPL[1] is sampled on the
rising edge of HSCLK.
ITPL[2]InputB19The incoming tributary payload active #2
(ITPL[2]) signal marks the bytes carrying the
tributary payload for the STM-1 #2 stream when
pointer interpreter bypass is enabled (PIBYP bit
set high). When pointer interpreter bypass is
disabled (PIBYP bit set low), ITPL[2] is ignored.
Also, ITPL[2] is ignored when IPL[2] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITPL[2] is set high to
mark each tributary payload byte on the ID[15:8]
bus. ITPL[2] is sampled on the rising edge of
SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITPL[2] is unused and
must be strapped low.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
ITPL[3]InputW20The incoming tributary payload active #3
(ITPL[3]) signal marks the bytes carrying the
tributary payload for the STM-1 #3 stream when
pointer interpreter bypass is enabled (PIBYP bit
set high). When pointer interpreter bypass is
disabled (PIBYP bit set low), ITPL[3] is ignored.
Also, ITPL[3] is ignored when IPL[3] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITPL[3] is set high to
mark each tributary payload byte on the
ID[23:16] bus. ITPL[3] is sampled on the rising
edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITPL[3] is unused and
must be strapped low.
ITPL[4]InputAA7The incoming tributary payload active #4
(ITPL[4]) signal marks the bytes carrying the
tributary payload for the STM-1 #4 stream when
pointer interpreter bypass is enabled (PIBYP bit
set high). When pointer interpreter bypass is
disabled (PIBYP bit set low), ITPL[4] is ignored.
Also, ITPL[4] is ignored when IPL[4] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITPL[4] is set high to
mark each tributary payload byte on the
ID[31:24] bus. ITPL[4] is sampled on the rising
edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITPL[4] is unused and
must be strapped low.
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signal marks the tributary V5 bytes of the STM-4
or STM-1 #1 stream when pointer interpreter
bypass is enabled (PIBYP bit set high). When
pointer interpreter bypass is disabled (PIBYP bit
set low), ITV5[1] is ignored. Also, ITV5[1] is
ignored when IPL[1] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITV5[1] is set high to
mark each tributary V5 byte of the STM-1 #1
stream on the ID[7:0] bus. When the incoming
tributary is a TU3, ITV5[1] marks the J1 byte of
the TU3. ITV5[1] is sampled on the rising edge
of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITV5[1] is set high to mark
each tributary V5 byte of the STM-4 stream on
the ID[7:0] bus. When the incoming tributary is a
TU3, ITV5[1] marks the J1 byte of the TU3.
ITV5[1] is sampled on the rising edge of HSCLK.
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signal marks the tributary V5 bytes of the STM-1
#2 stream when pointer interpreter bypass is
enabled (PIBYP bit set high). When pointer
interpreter bypass is disabled (PIBYP bit set
low), ITV5[2] is ignored. Also, ITV5[2] is ignored
when IPL[2] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITV5[2] is set high to
mark each tributary V5 byte on the ID[15:8] bus.
When the incoming tributary is a TU3, ITV5[2]
marks the J1 byte of the TU3. ITV5[2] is
sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITV5[2] is unused and
must be strapped low.
signal marks the tributary V5 bytes of the STM-1
#3 stream when pointer interpreter bypass is
enabled (PIBYP bit set high). When pointer
interpreter bypass is disabled (PIBYP bit set
low), ITV5[3] is ignored. Also, ITV5[3] is ignored
when IPL[3] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITV5[3] is set high to
mark each tributary V5 byte on the ID[23:16]
bus. When the incoming tributary is a TU3,
ITV5[3] marks the J1 byte of the TU3. ITV5[3] is
sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITV5[3] is unused and
must be strapped low.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
signal marks the tributary V5 bytes of the STM-1
#4 stream when pointer interpreter bypass is
enabled (PIBYP bit set high). When pointer
interpreter bypass is disabled (PIBYP bit set
low), ITV5[4] is ignored. Also, ITV5[4] is ignored
when IPL[4] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ITV5[4] is set high to
mark each tributary V5 byte on the ID[31:24]
bus. When the incoming tributary is a TU3,
ITV5[4] marks the J1 byte of the TU3. ITV5[4] is
sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), ITV5[4] is unused and
must be strapped low.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
IAIS[1]InputY1The incoming tributary alarm indication signal #1
(IAIS[1]) marks tributaries on the incoming STM4 or STM-1 #1 stream that are in AIS state when
pointer interpreter bypass is enabled (PIBYP bit
set high). When pointer interpreter bypass is
disabled (PIBYP bit set low), IAIS[1] is ignored.
Also, IAIS[1] is ignored when IPL[1] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IAIS[1] is set high when
the associated tributary of the STM-1 #1 stream
on the ID[7:0] is in AIS state and is set low when
the associated tributary is operating normally.
IAIS[1] is sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IAIS[1] is set high when
the associated tributary of the STM-4 stream on
the ID[7:0] is in AIS state and is set low when
the associated tributary is operating normally.
IAIS[1] is sampled on the rising edge of HSCLK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE36
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
IAIS[2]InputA20The incoming tributary alarm indication signal #2
(IAIS[2]) marks tributaries on the incoming STMSTM-1 #2 stream that are in AIS state when
pointer interpreter bypass is enabled (PIBYP bit
set high). When pointer interpreter bypass is
disabled (PIBYP bit set low), IAIS[2] is ignored.
Also, IAIS[2] is ignored when IPL[2] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IAIS[2] is set high when
the associated tributary on the ID[15:8] is in AIS
state and is set low when the associated
tributary is operating normally. IAIS[2] is
sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IAIS[2] is unused and
must be strapped low.
IAIS[3]Input
AA23
The incoming tributary alarm indication signal #3
(IAIS[3]) marks tributaries on the incoming STMSTM-1 #3 stream that are in AIS state when
pointer interpreter bypass is enabled (PIBYP bit
set high). When pointer interpreter bypass is
disabled (PIBYP bit set low), IAIS[3] is ignored.
Also, IAIS[3] is ignored when IPL[3] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IAIS[3] is set high when
the associated tributary on the ID[23:16] is in
AIS state and is set low when the associated
tributary is operating normally. IAIS[3] is
sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IAIS[3] is unused and
must be strapped low.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
IAIS[4]InputY8The incoming tributary alarm indication signal #4
(IAIS[4]) marks tributaries on the incoming STMSTM-1 #4 stream that are in AIS state when
pointer interpreter bypass is enabled (PIBYP bit
set high). When pointer interpreter bypass is
disabled (PIBYP bit set low), IAIS[4] is ignored.
Also, IAIS[4] is ignored when IPL[4] is low.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), IAIS[4] is set high when
the associated tributary on the ID[31:24] is in
AIS state and is set low when the associated
tributary is operating normally. IAIS[4] is
sampled on the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IAIS[4] is unused and
must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE38
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
IDP[1]InputW1The incoming data parity #1 (IDP[1]) signal
carries the parity of the incoming signals for the
STM-4 or STM-1 #1 stream.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), the parity calculation
encompasses the ID[7:0] bus and optionally the
IC1J1[1] and the IPL[1] signals. IC1J1[1] and
IPL[1] can be included in the parity calculation
by setting the corresponding INCIC1J1 and
INCIPL register bits high, respectively. Odd
parity is selected by setting the corresponding
IOP register bit high, and even parity is selected
by setting the IOP bit low. IDP[1] is sampled on
the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), the parity calculation
encompasses the ID[7:0] bus and optionally the
IC1J1[1] and the IPL[1] signals. IC1J1[1] and
IPL[1] can be included in the parity calculation
by setting the corresponding INCIC1J1 and
INCIPL register bits high, respectively. Odd
parity is selected by setting the corresponding
IOP register bit high, and even parity is selected
by setting the IOP bit low. IDP[1] is sampled on
the rising edge of HSCLK.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
IDP[2]InputA19The incoming data parity #2 (IDP[2]) signal
carries the parity of the incoming signals for the
STM-1 #2 stream.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), the parity calculation
encompasses the ID[15:8] bus and optionally
the IC1J1[2] and the IPL[2] signals. IC1J1[2] and
IPL[2] can be included in the parity calculation
by setting the corresponding INCIC1J1 and
INCIPL register bits high, respectively. Odd
parity is selected by setting the corresponding
IOP register bit high, and even parity is selected
by setting the IOP bit low. IDP[2] is sampled on
the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IDP[2] is unused and
must be strapped low.
IDP[3]InputY19The incoming data parity #3 (IDP[3]) signal
carries the parity of the incoming signals for the
STM-1 #3 stream.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), the parity calculation
encompasses the ID[23:16] bus and optionally
the IC1J1[3] and the IPL[3] signals. IC1J1[3] and
IPL[3] can be included in the parity calculation
by setting the corresponding INCIC1J1 and
INCIPL register bits high, respectively. Odd
parity is selected by setting the corresponding
IOP register bit high, and even parity is selected
by setting the IOP bit low. IDP[3] is sampled on
the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IDP[3] is unused and
must be strapped low.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
IDP[4]InputAA6The incoming data parity #4 (IDP[4]) signal
carries the parity of the incoming signals for the
STM-1 #4 stream.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), the parity calculation
encompasses the ID[31:24] bus and optionally
the IC1J1[4] and the IPL[4] signals. IC1J1[4] and
IPL[4] can be included in the parity calculation
by setting the corresponding INCIC1J1 and
INCIPL register bits high, respectively. Odd
parity is selected by setting the corresponding
IOP register bit high, and even parity is selected
by setting the IOP bit low. IDP[4] is sampled on
the rising edge of SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), IDP[4] is unused and
must be strapped low.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
ID[0]
ID[1]
ID[2]
ID[3]
ID[4]
ID[5]
ID[6]
ID[7]
InputR2
R3
T2
U1
T3
T4
U3
V2
Function
The incoming data bus (ID[7:0]) carries the
STM-4 or STM-1 #1 SONET/SDH frame data in
byte serial format.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), the ID[7:0] bus carries
the STM-1 #1 stream. ID[7] is the most
significant bit, corresponding to bit 1 of each
serial word, the bit transmitted first. ID[0] is the
least significant bit, corresponding to bit 8 of
each serial word, the last bit transmitted. The
ID[7:0] bus is sampled on the rising edge of
SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), the ID[7:0] bus carries the
STM-4 stream. ID[7] is the most significant bit,
corresponding to bit 1 of each serial word, the bit
transmitted first. ID[0] is the least significant bit,
corresponding to bit 8 of each serial word, the
last bit transmitted. The ID[7:0] bus is sampled
on the rising edge of HSCLK.
ID[8]
ID[9]
ID[10]
ID[11]
ID[12]
InputB15
C15
B16
C16
A17
The incoming data bus (ID[15:8]) carries the
STM-1 #2 SONET/SDH frame data in byte serial
format.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ID[15] is the most
significant bit, corresponding to bit 1 of each
serial word, the bit transmitted first. ID[8] is the
ID[13]
ID[14]
D16
C17
least significant bit, corresponding to bit 8 of
each serial word, the last bit transmitted. The
ID[15:8] bus is sampled on the rising edge of
ID[15]
B18
SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), the ID[15:8] bus is unused
and all bus signals must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE42
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
ID[16]
ID[17]
ID[18]
ID[19]
ID[20]
ID[21]
ID[22]
ID[23]
ID[24]
ID[25]
ID[26]
ID[27]
ID[28]
ID[29]
ID[30]
ID[31]
Input
InputY3
AC19
Y17
AA18
AB19
AC20
AA19
AB20
AC21
AA4
Y5
AC3
AB4
AA5
AC4
AB5
Function
The incoming data bus (ID[23:16]) carries the
STM-1 #3 SONET/SDH frame data in byte serial
format.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ID[23] is the most
significant bit, corresponding to bit 1 of each
serial word, the bit transmitted first. ID[16] is the
least significant bit, corresponding to bit 8 of
each serial word, the last bit transmitted. The
ID[23:16] bus is sampled on the rising edge of
SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), the ID[23:16] bus is
unused and all bus signals must be strapped
low.
The incoming data bus (ID[31:24]) carries the
STM-1 #4 SONET/SDH frame data in byte serial
format.
In incoming STM-1 (STS-3) interface mode
(IHSMODEB set high), ID[31] is the most
significant bit, corresponding to bit 1 of each
serial word, the bit transmitted first. ID[24] is the
least significant bit, corresponding to bit 8 of
each serial word, the last bit transmitted. The
ID[31:24] bus is sampled on the rising edge of
SCLK.
In incoming STM-4 (STS-12) interface mode
(IHSMODEB set low), the ID[31:24] bus is
unused and all bus signals must be strapped
low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE43
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
GSCLK_FPInputJ1
The active high generated system clock frame
position (GSCLK_FP) signal aligns the HSCLK
divide by four logic which generates the
GSCLK[1:0] signals when STM-4 (STS-12)
interface mode is selected at the incoming or
outgoing interface (IHSMODEB or OHSMODEB
set low). GSCLK_FP should be set high for one
HSCLK period at an interval of four or multiples
of four HSCLK periods.
GSCLK_FP is sampled on the rising edge of
HSCLK.
OTMF[1]InputJ2The active high outgoing tributary multiframe #1
(OTMF[1]) signal identifies the first frame of the
tributary multiframe for each AU3, or AU4
administrative unit, or STS-1 synchronous
payload envelope in the outgoing STM-4 or
STM-1 #1 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), the OTMF[1] identifies
the first frame of the tributary multiframe in the
STM-1 stream on the OD[7:0] bus. OTMF[1] is
selectable to pulse high during the third byte
after J1 of the first STS-1 stream or during the
H4 byte of the path overhead which indicates
that the next frame is the first frame of the
tributary multiframe. Selection between marking
the third byte after each J1 or H4 bytes is
controlled by the corresponding OTMFH4
register bit. Pulses on OTMF[1] are only
effective during the H4 or third byte after each J1
byte positions, as appropriate. OTMF[1] is
ignored at other byte positions. OTMF[1] is
sampled on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), the OTMF[1] identifies
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
Function
the first frame of the tributary multiframe in each
STM-1 within the STM-4 (OD[7:0]) stream.
OTMF[1] is selectable to pulse high during the
third byte after J1 of the first STS-1 in each
STM-1 or during the H4 byte of the path
overhead which indicates that the next frame is
the first frame of the tributary multiframe.
Selection between marking the third byte after
each J1 or H4 bytes is controlled by the
corresponding OTMFH4 register bit. Pulses on
OTMF[1] are only effective during the H4 or third
byte after each J1 byte positions, as appropriate.
OTMF[1] is ignored at other byte positions.
OTMF[1] is sampled on the rising edge of
HSCLK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE45
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
OTMF[2]InputD23The active high outgoing tributary multiframe #2
(OTMF[2]) signal identifies the first frame of the
tributary multiframe for each AU3, or AU4
administrative unit, or STS-1 synchronous
payload envelope in the outgoing STM-1 #2
stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), the OTMF[2] identifies
the first frame of the tributary multiframe in the
STM-1 stream on the OD[15:8] bus. OTMF[2] is
selectable to pulse high during the third byte
after J1 of the first STS-1 stream or during the
H4 byte of the path overhead which indicates
that the next frame is the first frame of the
tributary multiframe. Selection between marking
the third byte after each J1 or H4 bytes is
controlled by the corresponding OTMFH4
register bit. Pulses on OTMF[2] are only
effective during the H4 or third byte after each J1
byte positions, as appropriate. OTMF[2] is
ignored at other byte positions. OTMF[2] is
sampled on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), the OTMF[2] is unused
and must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE46
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
OTMF[3]InputL21The active high outgoing tributary multiframe #3
(OTMF[3]) signal identifies the first frame of the
tributary multiframe for each AU3, or AU4
administrative unit, or STS-1 synchronous
payload envelope in the outgoing STM-1 #3
stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), the OTMF[3] identifies
the first frame of the tributary multiframe in the
STM-1 stream on the OD[23:16] bus. OTMF[3]
is selectable to pulse high during the third byte
after J1 of the first STS-1 stream or during the
H4 byte of the path overhead which indicates
that the next frame is the first frame of the
tributary multiframe. Selection between marking
the third byte after each J1 or H4 bytes is
controlled by the corresponding OTMFH4
register bit. Pulses on OTMF[3] are only
effective during the H4 or third byte after each J1
byte positions, as appropriate. OTMF[3] is
ignored at other byte positions. OTMF[3] is
sampled on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), the OTMF[3] is unused
and must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE47
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
OTMF[4]Input
AA11
Function
The active high outgoing tributary multiframe #4
(OTMF[4]) signal identifies the first frame of the
tributary multiframe for each AU3, or AU4
administrative unit, or STS-1 synchronous
payload envelope in the outgoing STM-1 #4
stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), the OTMF[4] identifies
the first frame of the tributary multiframe in the
STM-1 stream on the OD[31:24] bus. OTMF[4]
is selectable to pulse high during the third byte
after J1 of the first STS-1 stream or during the
H4 byte of the path overhead which indicates
that the next frame is the first frame of the
tributary multiframe. Selection between marking
the third byte after each J1 or H4 bytes is
controlled by the corresponding OTMFH4
register bit. Pulses on OTMF[4] are only
effective during the H4 or third byte after each J1
byte positions, as appropriate. OTMF[4] is
ignored at other byte positions. OTMF[4] is
sampled on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), the OTMF[4] is unused
and must be strapped low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE48
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
COUT[1]OutputJ3The controlled output signal #1 (COUT[1]) is a
software programmable output that is controlled
by the COUTx register bit associated with each
tributary in the STM-4 or STM-1 #1 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), COUT[1] is
synchronized to the STM-1 #1 stream on
OD[7:0] bus. COUT[1] is updated on the rising
edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), COUT[1] is synchronized
to the STM-4 stream on OD[7:0] bus. COUT[1]
is updated on the rising edge of HSCLK.
COUT[2]OutputL20The controlled output signal #2 (COUT[2]) is a
software programmable output that is controlled
by the COUTx register bit associated with each
tributary in the STM-1 #2 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), COUT[2] is
synchronized to the OD[15:8] bus. COUT[2] is
updated on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), COUT[2] is invalid.
COUT[3]OutputU23The controlled output signal #3 (COUT[3]) is a
software programmable output that is controlled
by the COUTx register bit associated with each
tributary in the STM-1 #3 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), COUT[3] is
synchronized to the OD[23:16] bus. COUT[3] is
updated on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), COUT[3] is invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE49
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
COUT[4]Output
AA16
Function
The controlled output signal #4 (COUT[4]) is a
software programmable output that is controlled
by the COUTx register bit associated with each
tributary in the STM-1 #4 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), COUT[4] is
synchronized to the OD[31:24] bus. COUT[4] is
updated on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), COUT[4] is invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE50
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
OD[0]
OD[1]
OD[2]
OD[3]
OD[4]
OD[5]
OD[6]
OD[7]
OutputC1
D2
E3
D1
E2
F3
G4
E1
Function
The outgoing data bus (OD[7:0]) carries the
STM-4 or STM-1 #1 SONET/SDH frame data in
byte serial format.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), the OD[7:0] bus carries
the STM-1 #1 stream. OD[7] is the most
significant bit, corresponding to bit 1 of each
serial word, the bit transmitted first. OD[0] is the
least significant bit, corresponding to bit 8 of
each serial word, the last bit transmitted.
OD[7:0] is set to all-zeros at transport overhead
bytes, except for the A1 and A2 framing bytes
and the H1 and H2 pointer bytes. Pointer offset
is determined by the STP Outgoing Pointer MSB
and LSB registers. The OD[7:0] bus is updated
on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), the ID[7:0] bus carries
the STM-4 stream. OD[7] is the most significant
bit, corresponding to bit 1 of each serial word,
the bit transmitted first. OD[0] is the least
significant bit, corresponding to bit 8 of each
serial word, the last bit transmitted. OD[7:0] is
set to all-zeros at transport overhead bytes,
except for the A1 and A2 framing bytes and the
H1 and H2 pointer bytes. Pointer offset is
determined by the STP Outgoing Pointer MSB
and LSB registers. The OD[7:0] bus is updated
on the rising edge of HSCLK.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
OD[8]
OD[9]
OD[10]
OD[11]
OD[12]
OD[13]
OD[14]
OD[15]
OutputE23
F22
G21
H20
G22
H21
G23
H22
Function
The outgoing data bus (OD[15:8]) carries the
STM-1 #2 SONET/SDH frame data in byte serial
format.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OD[15] is the most
significant bit, corresponding to bit 1 of each
serial word, the bit transmitted first. OD[8] is the
least significant bit, corresponding to bit 8 of
each serial word, the last bit transmitted.
OD[15:8] is set to all-zeros at transport overhead
bytes, except for the A1 and A2 framing bytes
and the H1 and H2 pointer bytes. Pointer offset
is determined by the STP Outgoing Pointer MSB
and LSB registers. The OD[15:8] bus is updated
on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), the OD[15:8] bus is
unused and all bus signals are invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
OD[16]
OD[17]
OD[18]
OD[19]
OD[20]
OD[21]
OD[22]
OD[23]
OutputM22
M21
N23
N21
N20
P23
P22
P21
Function
The outgoing data bus (OD[23:16]) carries the
STM-1 #3 SONET/SDH frame data in byte serial
format.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OD[23] is the most
significant bit, corresponding to bit 1 of each
serial word, the bit transmitted first. OD[16] is
the least significant bit, corresponding to bit 8 of
each serial word, the last bit transmitted.
OD[23:16] is set to all-zeros at transport
overhead bytes, except for the A1 and A2
framing bytes and the H1 and H2 pointer bytes.
Pointer offset is determined by the STP
Outgoing Pointer MSB and LSB registers. The
OD[23:16] bus is updated on the rising edge of
SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), the OD[23:16] bus is
unused and all bus signals are invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE53
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
OD[24]
OD[25]
OD[26]
OD[27]
OD[28]
OD[29]
OD[30]
OD[31]
Output
AA12
AB12
AC13
AA13
Y13
AC14
AB14
AA14
Function
The outgoing data bus (OD[31:24]) carries the
STM-1 #4 SONET/SDH frame data in byte serial
format.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OD[31] is the most
significant bit, corresponding to bit 1 of each
serial word, the bit transmitted first. OD[24] is
the least significant bit, corresponding to bit 8 of
each serial word, the last bit transmitted.
OD[31:24] is set to all-zeros at transport
overhead bytes, except for the A1 and A2
framing bytes and the H1 and H2 pointer bytes.
Pointer offset is determined by the STP
Outgoing Pointer MSB and LSB registers. The
OD[31:24] bus is updated on the rising edge of
SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), the OD[31:24] bus is
unused and all bus signals are invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE54
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
ODP[1]OutputF2The outgoing data parity #1 (ODP[1]) signal
carries the parity of the outgoing STM-4 or STM1 #1 data stream on OD[7:0] and optionally
including the OC1J1V1[1] and the OPL[1]
signals. OC1J1V1[1] and OPL[1] can be
included in the parity calculation by setting the
corresponding INCOC1J1 and INCOPL register
bits high, respectively. Odd parity is selected by
setting the corresponding OOP register bit high,
and even parity is selected by setting the OOP
bit low.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), ODP[1] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), ODP[1] is updated on
the rising edge of HSCLK.
ODP[2]OutputJ21The outgoing data parity #2 (ODP[2]) signal
carries the parity of the outgoing STM-1 #2 data
stream on OD[15:8] and optionally including the
OC1J1V1[2] and the OPL[2] signals.
OC1J1V1[2] and OPL[2] can be included in the
parity calculation by setting the corresponding
INCOC1J1 and INCOPL register bits high,
respectively. Odd parity is selected by setting the
corresponding OOP register bit high, and even
parity is selected by setting the OOP bit low.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), ODP[2] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), ODP[2] is invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE55
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INTERFACES
Pin NameTypePin
Function
No.
ODP[3]OutputR23The outgoing data parity #3 (ODP[3]) signal
carries the parity of the outgoing STM-1 #3 data
stream on OD[23:16] and optionally including
the OC1J1V1[3] and the OPL[3] signals.
OC1J1V1[3] and OPL[3] can be included in the
parity calculation by setting the corresponding
INCOC1J1 and INCOPL register bits high,
respectively. Odd parity is selected by setting the
corresponding OOP register bit high, and even
parity is selected by setting the OOP bit low.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), ODP[3] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), ODP[3] is invalid.
ODP[4]Output
AC15
The outgoing data parity #4 (ODP[4]) signal
carries the parity of the outgoing STM-1 #4 data
stream on OD[31:24] and optionally including
the OC1J1V1[4] and the OPL[4] signals.
OC1J1V1[4] and OPL[4] can be included in the
parity calculation by setting the corresponding
INCOC1J1 and INCOPL register bits high,
respectively. Odd parity is selected by setting the
corresponding OOP register bit high, and even
parity is selected by setting the OOP bit low.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), ODP[4] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), ODP[4] is invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE56
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
OTPL[1]OutputH4The outgoing tributary payload active #1
(OTPL[1]) signal marks the bytes carrying the
tributary payload for the STM-4 or STM-1 #1
stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OTPL[1] is set high to
mark each tributary payload byte of the STM-1
#1 stream on the OD[7:0] bus. OTPL[1] is
updated on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OTPL[1] is set high to
mark each tributary payload byte of the STM-4
stream on the OD[7:0] bus. OTPL[1] is updated
on the rising edge of HSCLK.
OTPL[2]OutputJ23The outgoing tributary payload active #2
(OTPL[2]) signal marks the bytes carrying the
tributary payload for the STM-1 #2 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OTPL[2] is set high to
mark each tributary payload byte on the
OD[15:8] bus. OTPL[2] is updated on the rising
edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OTPL[2] is invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE57
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
OTPL[3]OutputR22The outgoing tributary payload active #3
(OTPL[3]) signal marks the bytes carrying the
tributary payload for the STM-1 #3 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OTPL[3] is set high to
mark each tributary payload byte on the
OD[23:16] bus. OTPL[3] is updated on the rising
edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OTPL[3] is invalid.
OTPL[4]Output
AB15
The outgoing tributary payload active #4
(OTPL[4]) signal marks the bytes carrying the
tributary payload for the STM-1 #4 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OTPL[4] is set high to
mark each tributary payload byte on the
OD[31:24] bus. OTPL[4] is updated on the rising
edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OTPL[4] is invalid.
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signal marks the tributary V5 bytes of the STM-4
or STM-1 #1 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OTV5[1] is set high to
mark each tributary V5 byte of the STM-1 #1
stream on the OD[7:0] bus. When the outgoing
tributary is a TU3, OTV5[1] marks the J1 byte of
the TU3. OTV5[1] is updated on the rising edge
of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OTV5[1] is set high to
mark each tributary V5 byte of the STM-4
stream on the OD[7:0] bus. When the outgoing
tributary is a TU3, OTV5[1] marks the J1 byte of
the TU3. OTV5[1] is updated on the rising edge
of HSCLK.
signal marks the tributary V5 bytes of the STM-1
#2 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OTV5[2] is set high to
mark each tributary V5 byte on the OD[15:8]
bus. When the outgoing tributary is a TU3,
OTV5[2] marks the J1 byte of the TU3. OTV5[2]
is updated on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OTV5[2] is invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE59
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
signal marks the tributary V5 bytes of the STM-1
#3 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OTV5[3] is set high to
mark each tributary V5 byte on the OD[23:16]
bus. When the outgoing tributary is a TU3,
OTV5[3] marks the J1 byte of the TU3. OTV5[3]
is updated on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OTV5[3] is invalid.
signal marks the tributary V5 bytes of the STM-1
#4 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OTV5[4] is set high to
mark each tributary V5 byte on the OD[31:24]
bus. When the outgoing tributary is a TU3,
OTV5[4] marks the J1 byte of the TU3. OTV5[4]
is updated on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OTV5[4] is invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
AIS[1]OutputG1The tributary alarm indication signal output #1
(AIS[1]) marks tributaries on the outgoing STM-4
or STM-1 #1 stream that are in AIS state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), AIS[1] is set high when
AIS is inserted in the associated tributary of the
STM-1 #1 stream on the OD[7:0] and is set low
when the AIS is not inserted. AIS[1] is updated
on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), AIS[1] is set high when
AIS is inserted in the associated tributary of the
STM-4 stream on the OD[7:0] and is set low
when the AIS is not inserted. AIS[1] is set low for
transport overhead bytes. AIS[1] is updated on
the rising edge of HSCLK.
AIS[2]OutputK21The tributary alarm indication signal output #2
(AIS[2]) marks tributaries on the outgoing STM-4
or STM-1 #2 stream that are in AIS state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), AIS[2] is set high when
AIS is inserted in the associated tributary on the
OD[15:8] and is set low when the AIS is not
inserted. AIS[2] is updated on the rising edge of
SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), AIS[2] is invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
AIS[3]OutputR21The tributary alarm indication signal output #3
(AIS[3]) marks tributaries on the outgoing STM-4
or STM-1 #3 stream that are in AIS state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), AIS[3] is set high when
AIS is inserted in the associated tributary on the
OD[23:16] and is set low when the AIS is not
inserted. AIS[3] is updated on the rising edge of
SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), AIS[3] is invalid.
AIS[4]Output
AA15
The tributary alarm indication signal output #4
(AIS[4]) marks tributaries on the outgoing STM-4
or STM-1 #4 stream that are in AIS state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), AIS[4] is set high when
AIS is inserted in the associated tributary on the
OD[31:24] and is set low when the AIS is not
inserted. AIS[4] is updated on the rising edge of
SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), AIS[4] is invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE62
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
IDLE[1]OutputH3The tributary idle indication signal output #1
(IDLE[1]) marks tributaries on the outgoing STM4 or STM-1 #1 stream that are in idle state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), IDLE[1] is set high
when idle code is inserted in the associated
tributary of the STM-1 #1 stream on the OD[7:0]
and is set low when the idle code is not inserted.
IDLE[1] is updated on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), IDLE[1] is set high when
idle code is inserted in the associated tributary
of the STM-4 stream on the OD[7:0] and is set
low when the idle code is not inserted. IDLE[1] is
updated on the rising edge of HSCLK.
IDLE[2]OutputK22The tributary idle indication signal output #2
(IDLE[2]) marks tributaries on the outgoing STM1 #2 stream that are in idle state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), IDLE[2] is set high
when idle code is inserted in the associated
tributary on the OD[15:8] and is set low when
the idle code is not inserted. IDLE[2] is updated
on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), IDLE[2] is invalid.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE63
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
IDLE[3]OutputT22The tributary idle indication signal output #3
(IDLE[3]) marks tributaries on the outgoing STM1 #3 stream that are in idle state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), IDLE[3] is set high
when idle code is inserted in the associated
tributary on the OD[23:16] and is set low when
the idle code is not inserted. IDLE[3] is updated
on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), IDLE[3] is invalid.
IDLE[4]Output
AB16
The tributary idle indication signal output #4
(IDLE[4]) marks tributaries on the outgoing STM1 #4 stream that are in idle state.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), IDLE[4] is set high
when idle code is inserted in the associated
tributary on the OD[31:24] and is set low when
the idle code is not inserted. IDLE[4] is updated
on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), IDLE[4] is invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
(TPOH[1]) signal marks the tributary path
overhead bytes in the outgoing STM-4 or STM-1
#1 stream. For streams in TU3 mode, the J1,
B3, C2, G1, F2, H4, Z3, Z4 and Z5 bytes are
marked. For streams out of TU3 mode, V5, J2,
Z6 an Z7 bytes are marked.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), TPOH[1] is set high to
mark each tributary path overhead byte of the
STM-1 #1 stream on the OD[7:0] bus. TPOH[1]
is updated on the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), TPOH[1] is set high to
mark each tributary path overhead byte of the
STM-4 stream on the OD[7:0] bus. TPOH[1] is
set low for transport overhead bytes. TPOH[1] is
updated on the rising edge of HSCLK.
(TPOH[2]) signal marks the tributary path
overhead bytes in the outgoing STM-1 #2
stream. For streams in TU3 mode, the J1, B3,
C2, G1, F2, H4, Z3, Z4 and Z5 bytes are
marked. For streams out of TU3 mode, V5, J2,
Z6 an Z7 bytes are marked.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), TPOH[2] is set high to
mark each tributary path overhead byte on the
OD[15:8] bus. TPOH[2] is updated on the rising
edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), TPOH[2] is invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
(TPOH[3]) signal marks the tributary path
overhead bytes in the outgoing STM-1 #3
stream. For streams in TU3 mode, the J1, B3,
C2, G1, F2, H4, Z3, Z4 and Z5 bytes are
marked. For streams out of TU3 mode, V5, J2,
Z6 an Z7 bytes are marked.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), TPOH[3] is set high to
mark each tributary path overhead byte on the
OD[23:16] bus. TPOH[3] is updated on the rising
edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), TPOH[3] is invalid.
TPOH[4]Output
AC17
The outgoing tributary path overhead byte #4
(TPOH[4]) signal marks the tributary path
overhead bytes in the outgoing STM-1 #4
stream. For streams in TU3 mode, the J1, B3,
C2, G1, F2, H4, Z3, Z4 and Z5 bytes are
marked. For streams out of TU3 mode, V5, J2,
Z6 an Z7 bytes are marked.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), TPOH[4] is set high to
mark each tributary path overhead byte on the
OD[31:24] bus. TPOH[4] is updated on the rising
edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), TPOH[4] is invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
(OC1J1V1[1]) marks the transport, synchronous
payload envelope and tributary multiframe frame
boundaries on the outgoing STM-4 or STM-1 #1
stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OC1J1V1[1] pulses
high to mark the first C1 byte of the STM-1 #1
transport envelope frame on the OD[7:0] bus. It
also pulses high to mark the J1 byte(s). When
AU3/TUG3 bypass is disabled (TUGEN set high
and TUGBYP set low), the AU3/AU4 pointer
offset (J1 position relative to C1) is determined
by the corresponding STP Outgoing Pointer
MSB and LSB registers. Optionally, OC1J1V1[1]
also marks the third byte after J1 of the first
tributary in each STS-1 (TUG3) stream when the
corresponding OV1EN register bit is set high.
When AU3/TUG3 bypass is enabled (TUGEN
set low or TUGBYP set high), the J1 and V1
byte position pulses are delayed versions from
the IC1J1[1] input. OC1J1V1[1] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OC1J1V1[1] pulses high
to mark the first C1 byte of the STM-4 transport
envelope frame on the OD[7:0] bus. It also
pulses high to mark the STM-1 J1 bytes. When
AU3/TUG3 bypass is disabled (TUGEN set high
and TUGBYP set low), the AU3/AU4 pointer
offset (J1 position relative to C1) of each STM-1
is determined by the corresponding STP
Outgoing Pointer MSB and LSB registers.
Optionally, OC1J1V1[1] also marks the third byte
after J1 of the first tributary in each STS-1
(TUG3) stream when the corresponding OV1EN
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
register bit is set high. When AU3/TUG3 bypass
is enabled (TUGEN set low or TUGBYP set
high), the J1 and V1 byte position pulses are
delayed versions from the IC1J1[1] input.
OC1J1V1[1] is updated on the rising edge of
HSCLK.
(OC1J1V1[2]) marks the transport, synchronous
payload envelope and tributary multiframe frame
boundaries on the outgoing STM-1 #2 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OC1J1V1[2] pulses
high to mark the first C1 byte of the STM-1 #2
transport envelope frame on the OD[15:8] bus. It
also pulses high to mark the J1 byte(s). When
AU3/TUG3 bypass is disabled (TUGEN set high
and TUGBYP set low), the AU3/AU4 pointer
offset (J1 position relative to C1) is determined
by the corresponding STP Outgoing Pointer
MSB and LSB registers. Optionally, OC1J1V1[2]
also marks the third byte after J1 of the first
tributary in each STS-1 (TUG3) stream when the
corresponding OV1EN register bit is set high.
When AU3/TUG3 bypass is enabled (TUGEN
set low or TUGBYP set high), the J1 and V1
byte position pulses are delayed versions from
the IC1J1[2] input. OC1J1V1[2] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OC1J1V1[2] is invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
(OC1J1V1[3]) marks the transport, synchronous
payload envelope and tributary multiframe frame
boundaries on the outgoing STM-1 #3 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OC1J1V1[3] pulses
high to mark the first C1 byte of the STM-1 #3
transport envelope frame on the OD[23:16] bus.
It also pulses high to mark the J1 byte(s). When
AU3/TUG3 bypass is disabled (TUGEN set high
and TUGBYP set low), the AU3/AU4 pointer
offset (J1 position relative to C1) is determined
by the corresponding STP Outgoing Pointer
MSB and LSB registers. Optionally, OC1J1V1[3]
also marks the third byte after J1 of the first
tributary in each STS-1 (TUG3) stream when the
corresponding OV1EN register bit is set high.
When AU3/TUG3 bypass is enabled (TUGEN
set low or TUGBYP set high), the J1 and V1
byte position pulses are delayed versions from
the IC1J1[3] input. OC1J1V1[3] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OC1J1V1[3] is invalid.
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
OC1J1V1[4]Output
AB11
Function
The outgoing composite frame pulse #4
(OC1J1V1[4]) marks the transport, synchronous
payload envelope and tributary multiframe frame
boundaries on the outgoing STM-1 #4 stream.
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OC1J1V1[4] pulses
high to mark the first C1 byte of the STM-1 #4
transport envelope frame on the OD[31:24] bus.
It also pulses high to mark the J1 byte(s). When
AU3/TUG3 bypass is disabled (TUGEN set high
and TUGBYP set low), the AU3/AU4 pointer
offset (J1 position relative to C1) is determined
by the corresponding STP Outgoing Pointer
MSB and LSB registers. Optionally, OC1J1V1[4]
also marks the third byte after J1 of the first
tributary in each STS-1 (TUG3) stream when the
corresponding OV1EN register bit is set high.
When AU3/TUG3 bypass is enabled (TUGEN
set low or TUGBYP set high), the J1 and V1
byte position pulses are delayed versions from
the IC1J1[4] input. OC1J1V1[4] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OC1J1V1[4] is invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
OPL[1]OutputE4The outgoing payload active #1 (OPL[1]) signal
identifies synchronous payload envelope bytes
on the outgoing STM-4 or STM-1 #1 stream.
When AU3/TUG3 bypass is disabled (TUGEN
set high and TUGBYP set low), OPL[1] is set
high to mark synchronous payload envelop
bytes and set low to mark transport overhead
bytes. When AU3/TUG3 bypass is enabled
(TUGEN set low or TUGBYP set high), OPL[1] is
a delayed version of IPL[1].
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OPL[1] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OPL[1] is updated on the
rising edge of HSCLK.
OPL[2]OutputG20The outgoing payload active #2 (OPL[2]) signal
identifies synchronous payload envelope bytes
on the outgoing STM-1 #2 stream. When
AU3/TUG3 bypass is disabled (TUGEN set high
and TUGBYP set low), OPL[2] is set high to
mark synchronous payload envelop bytes and
set low to mark transport overhead bytes. When
AU3/TUG3 bypass is enabled (TUGEN set low
or TUGBYP set high), OPL[2] is a delayed
version of IPL[2].
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OPL[2] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OPL[2] is invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
Function
No.
OPL[3]OutputL23The outgoing payload active #3 (OPL[3]) signal
identifies synchronous payload envelope bytes
on the outgoing STM-1 #3 stream. When
AU3/TUG3 bypass is disabled (TUGEN set high
and TUGBYP set low), OPL[3] is set high to
mark synchronous payload envelop bytes and
set low to mark transport overhead bytes. When
AU3/TUG3 bypass is enabled (TUGEN set low
or TUGBYP set high), OPL[3] is a delayed
version of IPL[3].
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OPL[3] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OPL[3] is invalid.
OPL[4]Output
AC11
The outgoing payload active #4 (OPL[4]) signal
identifies synchronous payload envelope bytes
on the outgoing STM-1 #4 stream. When
AU3/TUG3 bypass is disabled (TUGEN set high
and TUGBYP set low), OPL[4] is set high to
mark synchronous payload envelop bytes and
set low to mark transport overhead bytes. When
AU3/TUG3 bypass is enabled (TUGEN set low
or TUGBYP set high), OPL[4] is a delayed
version of IPL[4].
In outgoing STM-1 (STS-3) interface mode
(OHSMODEB set high), OPL[4] is updated on
the rising edge of SCLK.
In outgoing STM-4 (STS-12) interface mode
(OHSMODEB set low), OPL[4] is invalid.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
signal provides timing to sample the extracted
tributary path overhead stream and the receive
alarm port for STM-1 #1, #2, #3 and #4. POHCK
is a nominally 9.72 MHz clock. The POH[12:1],
POHEN[12:1], POHFP[12:1] and RAD[4:1]
outputs are updated on the falling edge of
POHCK.
POH[1]
POH[2]
POH[3]
OutputL4
M3
P2
The tributary path overhead (POH[3:1]) signals
contain the tributary path overhead bytes (V5,
J2, Z6 and Z7) extracted from the incoming
STM-1 #1 stream. POH[1], POH[2] and POH[3]
contain the tributary path overhead bytes from
STS-1 (AU3) #1, #2 and #3, respectively. In AU4
mode, POH[1], POH[2] and POH[3] contain the
tributary path overhead bytes from TUG3 #1, #2
and #3, respectively. All four tributary overhead
bytes of each tributary is shifted out once per
payload frame. The corresponding POHEN
signal is set high to identify overhead bytes that
are presented for the first time. Each POH signal
is updated on the falling edge of POHCK.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
POH[4]
POH[5]
POH[6]
POH[7]
POH[8]
POH[9]
OutputA21
D21
D22
OutputV22
V21
W21
Function
The tributary path overhead (POH[6:4]) signals
contain the tributary path overhead bytes (V5,
J2, Z6 and Z7) extracted from the incoming
STM-1 #2 stream. POH[4], POH[5] and POH[6]
contain the tributary path overhead bytes from
STS-1 (AU3) #1, #2 and #3, respectively. In AU4
mode, POH[4], POH[5] and POH[6] contain the
tributary path overhead bytes from TUG3 #1, #2
and #3, respectively. All four tributary overhead
bytes of each tributary is shifted out once per
payload frame. The corresponding POHEN
signal is set high to identify overhead bytes that
are presented for the first time. Each POH signal
is updated on the falling edge of POHCK.
The tributary path overhead (POH[9:7]) signals
contain the tributary path overhead bytes (V5,
J2, Z6 and Z7) extracted from the incoming
STM-1 #3 stream. POH[7], POH[8] and POH[9]
contain the tributary path overhead bytes from
STS-1 (AU3) #1, #2 and #3, respectively. In AU4
mode, POH[7], POH[8] and POH[9] contain the
tributary path overhead bytes from TUG3 #1, #2
and #3, respectively. All four tributary overhead
bytes of each tributary is shifted out once per
payload frame. The corresponding POHEN
signal is set high to identify overhead bytes that
are presented for the first time. Each POH signal
is updated on the falling edge of POHCK.
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DATASHEET
PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
POH[10]
POH[11]
POH[12]
POHFP[1]
POHFP[2]
POHFP[3]
OutputAB8
Y10
AC10
OutputK1
L1
N1
Function
The tributary path overhead (POH[12:10])
signals contain the tributary path overhead bytes
(V5, J2, Z6 and Z7) extracted from the incoming
STM-1 #4 stream. POH[10], POH[11] and
POH[12] contain the tributary path overhead
bytes from STS-1 (AU3) #1, #2 and #3,
respectively. In AU4 mode, POH[10], POH[11]
and POH[12] contain the tributary path overhead
bytes from TUG3 #1, #2 and #3, respectively. All
four tributary overhead bytes of each tributary is
shifted out once per payload frame. The
corresponding POHEN signal is set high to
identify overhead bytes that are presented for
the first time. Each POH signal is updated on the
falling edge of POHCK.
The tributary path overhead frame pulse
(POHFP[3:1]) signals may be used to locate the
individual path overhead bits of each tributary for
the corresponding STS-1 (TUG3) in the
incoming STM-1 #1 stream. Each POHFP signal
is set high to mark bit 1 (the most significant bit)
of the V5 byte of the first tributary. POHFP[1],
POHFP[2] and POHFP[3] identify frame
boundaries of the tributary path overhead bytes
from STS-1 (AU3) #1, #2 and #3, respectively. In
AU4 mode, POHFP[1], POHFP[2] and
POHFP[3] identify frame boundaries of TUG3
#1, #2 and #3, respectively. Each POHFP signal
is updated on the falling edge of POHCK.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
POHFP[4]
POHFP[5]
POHFP[6]
POHFP[7]
POHFP[8]
POHFP[9]
OutputB20
C20
C23
OutputU21
U20
Y23
Function
The tributary path overhead frame pulse
(POHFP[6:4]) signals may be used to locate the
individual path overhead bits of each tributary for
the corresponding STS-1 (TUG3) in the
incoming STM-1 #2 stream. Each POHFP signal
is set high to mark bit 1 (the most significant bit)
of the V5 byte of the first tributary. POHFP[4],
POHFP[5] and POHFP[6] identify frame
boundaries of the tributary path overhead bytes
from STS-1 (AU3) #1, #2 and #3, respectively. In
AU4 mode, POHFP[4], POHFP[5] and
POHFP[6] identify frame boundaries of TUG3
#1, #2 and #3, respectively. Each POHFP signal
is updated on the falling edge of POHCK.
The tributary path overhead frame pulse
(POHFP[9:7]) signals may be used to locate the
individual path overhead bits of each tributary for
the corresponding STS-1 (TUG3) in the
incoming STM-1 #3 stream. Each POHFP signal
is set high to mark bit 1 (the most significant bit)
of the V5 byte of the first tributary. POHFP[7],
POHFP[8] and POHFP[9] identify frame
boundaries of the tributary path overhead bytes
from STS-1 (AU3) #1, #2 and #3, respectively. In
AU4 mode, POHFP[7], POHFP[8] and
POHFP[9] identify frame boundaries of TUG3
#1, #2 and #3, respectively. Each POHFP signal
is updated on the falling edge of POHCK.
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PMC-1981421ISSUE 4SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Pin NameTypePin
No.
POHFP[10]
POHFP[11]
POHFP[12]
POHEN[1]
POHEN[2]
POHEN[3]
OutputAA8
AB9
AA10
OutputL3
M2
P3
Function
The tributary path overhead frame pulse
(POHFP[12:10]) signals may be used to locate
the individual path overhead bits of each
tributary for the corresponding STS-1 (TUG3) in
the incoming STM-1 #4 stream. Each POHFP
signal is set high to mark bit 1 (the most
significant bit) of the V5 byte of the first tributary.
POHFP[10], POHFP[11] and POHFP[12] identify
frame boundaries of the tributary path overhead
bytes from STS-1 (AU3) #1, #2 and #3,
respectively. In AU4 mode, POHFP[10],
POHFP[11] and POHFP[12] identify frame
boundaries of TUG3 #1, #2 and #3, respectively.
Each POHFP signal is updated on the falling
edge of POHCK.
The tributary path overhead enable
(POHEN[3:1]) signals may be used to identify
tributary path overhead bytes that are being
presented on the corresponding POH stream of
STM-1 #1 for the first time. Each POHEN signal
is set high when a fresh overhead byte is
available on the corresponding POH stream.
POHEN is set low when the tributary path
overhead byte available on the corresponding
POH stream has already been shifted out in a
previous frame. POHEN[1], POHEN[2] and
POHEN[3] identify the status of tributary path
overhead bytes from STS-1 (AU3) #1, #2 and
#3, respectively. In AU4 mode, POHEN[1],
POHEN[2] and POHEN[3] identify the status of
tributary path overhead bytes from TUG3 #1, #2
and #3, respectively. Each POHEN signal is
updated on the falling edge of POHCK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE77
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