Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. Maxim retains
the right to make changes to its products or specifications to improve performance, reliability or manufacturability. All information in
this document, including descriptions of features, functions, performance, technical specifications and availability, is subject to
change without notice at any time. While the information furnished herein is held to be accurate and reliable, no responsibility will be
assumed by Maxim for its use. Furthermore, the information contained herein does not convey to the purch aser of microelectronic
devices any license under the patent right of any manufacturer.
Maxim is a registered trademark of Maxim Integrated Products, Inc.
All other products or service names used in this publication are for identification purposes only, and may be trademarks or registered
trademarks of their respective companies. All other trademarks or registered trademarks mentioned herein are the property of their
respective holders.
Z8 is a registered trademark of Zilog, Inc.
Crimzon is a registered trademark of Universal Electronics Inc.
19-4622; Rev 0; 5/09
Revision History
Each instance in the Revision History table reflects a change to this document from its previous revision. For more details, refer to the corresponding pages and appropriate links in
the table below.
Date
April 200919Changed to Maxim productAll
Crimzon® ZLR16300
Product Specification
iii
Revision
LevelDescriptionPage No
February
2008
January 2008 17Updated the Ordering Information section.85
August
2007
February
2007
April
2006
December
2005
18Updated the Ordering Information section.
16Updated the Disclaimer section and implemented
style guide.
15Updated Low-Voltage Detection.
14Added pin P22 to the SMR block input, Figure 30.
Maxim’s Crimzon® ZLR16300 MCU is a ROM-based member of the Crimzon ZLR16300
family of general-purpose microcontrollers. With 1 KB to 16 KB of Program Memory and
237 B of general-purpose RAM, Maxim’s CMOS microcontrollers offer fast-executing,
efficient use of memory, sophisticated interrupts, input/output (I/O) bit manipulation
capabilities, automated pulse generation/reception, and internal key-scan pull-up
transistors.
The Crimzon ZLR16300 architecture (see Figure 1 on page 3and Figure 2 on page 4) is
based on Maxim’s 8-bit microcontroller core with an Expanded Register File allowing
access to register-mapped peripherals, I/O circuits, and powerful counter/timer circuitry.
The Z8
structure, and a number of ancillary features that are useful in many consumer,
automotive, computer peripheral, and battery-operated hand-held applications.
®
core offers a flexible I/O scheme, an efficient register and address space
Crimzon® ZLR16300
Product Specification
1
Features
There are three basic address spaces available to support a wide range of configurations:
1. Program Memory
2. Register File
3. Expanded Register File
The Register file is composed of 256 B of RAM. It includes three I/O port registers, 16
control and status registers, and 237 general-pu rpose registers. The Expanded Register file
consists of two additional register groups (F and D).
To unburden the program from coping with such real-time problems like generating
complex waveforms or receiving and demodulating complex waveform/pulses, the
Crimzon ZLR16300 offers a new intelligent counter/timer architecture with 8-bit and
16-bit counter/timers (see Figure 2 on page 4). Also included are a large number of
user-selectable modes and two on-board comparators to process analog signals with
separate reference voltages.
Table 1 lists the features of Crimzon ZLR16300 family.
Table 1. Crimzon ZLR16300 ROM MCU Features
DeviceROM (KB)RAM* (Bytes) I/O LinesVoltage Range
Crimzon ZLR163001, 2, 4, 8, 1623724, 162.0–3.6 V
*General-purpose
19-4622; Rev 0; 5/09Architectural Overview
Crimzon® ZLR16300
Product Specification
The additional features include:
•
Low power consumption–5 mW (typical)
•
Three standby modes:
–
STOP—1.3 A (typical)
–
HALT—0.5 mA (typical)
–
Low-voltage reset
•
Special architecture to automate both generation and reception of complex pulses or
signals:
–
One programmable 8-bit counter/timer with two capture registers and two load
registers
–
One programmable 16-bit counter/timer with one 16-bit capture register pair and
one 16-bit load register pair
–
Programmable input glitch filter for pulse reception
2
•
Six priority interrupts
–
Three external
–
Two assigned to counter/timers
–
One low-voltage detection interrupt
•
Low-Voltage Detection and High-Voltage Detection Flags
•
Programmable Watchdog Timer (WDT)
•
Power-On Reset (POR)
•
Two independent comparators with programmable interrupt polarity
•
Selectable pull-up transistors on ports 0, 2, and 3
•
Mask options
–
Port 0: 0–3 pull-ups
–
Port 0: 4–7 pull-ups
–
Port 2: 0–7 pull-ups
–
Port 3: 0–3 pull-ups
–
Watchdog Timer at Power-On Reset
Power connections use the conventional descriptions listed in Table 2.
Table 2. Power Connections
ConnectionCircuitDevice
PowerV
GroundGNDV
19-4622; Rev 0; 5/09Architectural Overview
CC
V
DD
SS
Functional Block Diagram
Z8® Core
Port 2
Port 0
P21
P22
P23
P24
P25
P26
P27
P20
I/O Bit
Programmable
P04
P05
P06
P07
P00
P01
P02
P03
I/O Nibble
Programmable
Register File
256 x 8-Bit
Register Bus
Internal
Address Bus
Internal
Data Bus
Expanded
Register
File
Expanded
Register Bus
Z8
Core
Counter/Timer 8
8-Bit
Counter/Timer 16
16-Bit
V
DD
V
SS
XTAL
Pref1/P30
P31
P32
P33
P34
P35
P36
P37
Port 3
Machine
Timing &
Instruction
Control
Power
4
4
ROM
Up to 16K x 8
Watchdog
Timer
Low-Voltage
Detection
High-Voltage
Detection
Power-On
Reset
Note: Refer to the specific package for available pins.
Figure 1 displays the Crimzon ZLR16300 MCU functional block diagram.
The pin configuration for the 20-pin DIP/SOIC/SSOP is displayed in Figure 3 and
described in Table 3. The pin configuration for the 28-pin DIP/SOIC/SSOP are displayed
in Figure 4 on page 6 and described in Table 4 on page 6.
Crimzon® ZLR16300
Product Specification
5
Figure 3. 20-Pin DIP/SOIC/SSOP Pin Configuration
Table 3. 20-Pin DIP/SOIC/SSOP Pin Identification
Pin NoSymbolFunctionDirection
1–3P25–P27Port 2, Bits 5,6,7Input/Output
4P07Port 0, Bit 7Input/Output
5V
This pin connects a parallel-resonant crystal or ceramic resonator to the on-chip oscillator
input. Additionally, an external single-phase clock can be connected to the on-chip
oscillator input.
XTAL2 Crystal 2 (Time-Based Output)
This pin connects a parallel-resonant crystal or ceramic resonant to the on-chip oscillator
output.
Input/Output Ports
Crimzon® ZLR16300
Product Specification
7
The CMOS input buffer for each ports 0, 1, or 2 pin is always connected to the pin, even
when the pin is configured as an output. If the pin is configured as an open-drain output
and no external signal is applied, a High output state causes the CMOS input buffer to
float. This leads to excessive leakage current o f more than 10 0 A. T o pr event this leakage,
connect the pin to an external signal with a defined logic level or ensure its output state is
Low, especially during STOP mode.
Internal pull-ups are disabled on any given pin or group of port pins when programmed
into output mode.
Port 0, 1, and 2 have both input and output capability. The input logic is always present
no matter whether the port is configured as input or output. While performing a READ
instruction, the MCU reads the actual value at the input logic but not from the output
buffer. In addition, the instructions of OR, AND, and XOR have the Read-Modify-Write
sequence. The MCU first reads the port, modifies the value, and loads back to the port.
Precaution must be taken if the port is configured as open-drain output or if the port is
driving any circuit that makes the voltage different from the desired output logic. For
example, pins P00–P07 are not connected to anything else. If it is configured as opendrain output with output logic as ONE, it is a floating port and reads back as ZERO. The
following instruction sets P00-P07 all Low.
AND P0,#%F0
19-4622; Rev 0; 5/09Pin Description
Crimzon® ZLR16300
Note:
4
4
ZLR16300
Port 0 (I/O)
Pad
In
Out
I/O
Open-Drain
Resistive
Transistor
Pull-up
V
CC
Mask
Option
Product Specification
Port 0 (P07–P00)
Port 0 is an 8-bit, bidirectional, and CMOS-compatible port. These eight I/O lines ar e configured under software control as a nibble I/O port. The output drivers are push-pull or
open-drain controlled by bit D2 in the PCON register.
If one or both nibbles are required for I/O operation, they must be configured by writing to
the Port 0 mode register. After a hardware reset, Port 0 is configured (see Figure 5) as an
input port.
An optional pull-up transistor is available as a mask option on all Port 0 bits with nibble
select.
The Port 0 direction is reset to be input following an Stop Mode Recovery.
8
Figure 5. Port 0 Configuration
19-4622; Rev 0; 5/09Pin Description
Crimzon® ZLR16300
Port 2 (I/O)
Pad
In
Out
I/O
Open-Drain
Resistive
Transistor
Pull-up
V
CC
Mask
Option
ZLR16300
ROM
Product Specification
Port 2 (P27–P20)
Port 2 is an 8-bit, bidirectional, and CMOS-compatible I/O port (see Figure 6). These
eight I/O lines are independently configured under software control as inputs or outputs.
Port 2 is always available for I/O operation. A mask option connects eight pull-up
transistors on this port. Bits programmed as outputs are globally programmed as either
push-pull or open-drain. The POR resets with the eight bits of Port 2 configured as inputs.
Port 2 also has an 8-bit input OR and AND gate which can be used to wake up the part.
P20 is programmed to access the edge-detection circuitry in DEMODULATION mode.
9
19-4622; Rev 0; 5/09Pin Description
Figure 6. Port 2 Configuration
Crimzon® ZLR16300
-
Port 3 (I/O)
P32 (AN2)
P31 (AN1)
Pref1
From Stop Mode Recovery Source of SMR
IRQ2, P31 Data Latch
Pref1/P30
P31
P32
P33
P34
P35
P36
P37
D1
1 = Analog
0 = Digital
R247 = P3M
+
-
+
IRQ0, P32 Data Latch
IRQ1, P33 Data Latch
Comp1
Comp2
Dig.
An.
ZLR16300
ROM
P33 (REF2)
Product Specification
Port 3 (P37–P30)
Port 3 is an 8-bit, CMOS-compatible fixed I/O port (see Figure 7). Port 3 consists of four
fixed input (P33–P30) and four fixed output (P37–P34), which are configured under
software control for interrupt and as output from the counter/timers. P30, P31, P32, and
P33 are standard CMOS inputs; P34, P35, P36, and P37 are push-pull outputs.
10
19-4622; Rev 0; 5/09Pin Description
Figure 7. Port 3 Configuration
Crimzon® ZLR16300
Note:
Product Specification
11
Two on-board comparators process analog signals on P31 and P32, with reference to the
voltage on Pref1 and P33. The analog function is enabled by programming the Port 3
Mode Register (bit 1). P31 and P32 are programmable as rising, falling, or both edge
triggered interrupts (IRQ register bits 6 and 7). Pref1 and P33 are the comparator reference
voltage inputs. Access to the Counter Timer edge-detection circuit is through P31 or P20
(see T8 and T16 Common Functions—CTR1(0D)01h on page 23). Other edge detect and
IRQ modes are described in Table 5.
Comparators are powered down by entering STOP mode. For P31–P33 to be used in a
SMR source, these inputs must be placed into DIGITAL mode.
Port 3 also provides output for each of the counter/timers and the AND/OR Logic (see
Figure 8). Control is performed by programming bits D5–D4 of CTR1, bit 0 of CTR0, and
bit 0 of CTR2.
19-4622; Rev 0; 5/09Pin Description
Pad
P34
Comp1
V
DD
MUX
PCON, D0
MUX
CTR0, D0
P31
P30 (Pref1)
P34 data
T8_Out
+
Pad
P35
V
DD
MUX
CTR2, D0
Out 35
T16_Out
Pad
P36
V
DD
MUX
CTR1, D6
Out 36
T8/T16_Out
Pad
P37
V
DD
MUX
PCON, D0
P37data
-
P31
P3M D1
Comp2
P32
P33
+
-
P32
P3M D1
Crimzon® ZLR16300
Product Specification
12
Figure 8. Port 3 Counter/Timer Output Configuration
19-4622; Rev 0; 5/09Pin Description
Crimzon® ZLR16300
Note:
Product Specification
Comparator Inputs
In ANALOG mode, P31 and P32 have a comparator front end. The comparator reference
is supplied to P33 and P
. In this mode, the P33 internal data latch and its
REF1
corresponding IRQ1 are diverted to the SMR sources (excluding P31, P32, and P33) as
displayed in Figure 7 on page 10. In DIGITAL mode, P33 is used as D3 of the Port 3 input
register, which then generates IRQ1.
Comparators are powered down by entering STOP mode. For P31–P33 to be used in a
Stop Mode Recovery source, these inputs must be placed into DIGITAL mode.
Comparator Outputs
These channels are programmed to be output on P34 and P37 through the PCON register.
13
19-4622; Rev 0; 5/09Pin Description
Functional Description
Crimzon® ZLR16300
Product Specification
14
The Crimzon ZLR16300 family of devices incorporate special functions to enhance the
functionality of Z8
Program Memory
These devices address from 1 KB to 16 KB of Program Memory. The first 12 bytes are
reserved for interrupt vectors. These locations contain the six 16-bit vectors that
correspond to the six available interrupts. See Figure 9 on page 15.
®
in consumer and battery-operated applications.
19-4622; Rev 0; 5/09Functional Description
RAM
On-Chip
ROM
Reset Start Address
IRQ5
IRQ5
IRQ4
IRQ4
IRQ3
IRQ3
IRQ2
IRQ2
IRQ1
IRQ1
IRQ0
IRQ0
12
11
10
9
8
7
6
5
4
3
2
1
0
Maximum ROM Size
Location of
first byte of
instruction
executed
after RESET
Interrupt Vector
(Lower Byte)
Interrupt Vector
(Upper Byte)
Not Accessible
Crimzon® ZLR16300
Product Specification
15
The Crimzon ZLR16300 product family features 237 bytes of RAM.
Figure 9. Program Memory Map
19-4622; Rev 0; 5/09Functional Description
Expanded Register File
Note:
The register file has been expanded to allow for additional system control registers and for
mapping additional peripheral devices into the register address area. The Z8 register
address space (0 through15 (OFh)) has been implemented as 16 banks, with 16 registers
per bank. These register banks are known as the ERF (Expanded Register File). Bits 7–4
of register RP select the working register group. Bits 3–0 of register RP select the
expanded register file bank.
An expanded register bank is also referr ed to as an expanded r egister gr oup (see Figure 10on page 17).
Crimzon® ZLR16300
Product Specification
16
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
UUUUUUU0
00000000
00000000
00000000
00
0F
7F
F0
FF
FF SPL
00000000
UUUUUUUU
00000000
UUUUUUUU
UUUUUUUU
UUUUUUUU
11111111
00000000
11001111
UUUUUUUU
UUUUUUUU
UUUUUUUU
UUUUUUUU
UUUUUUUU
FE SPH
FD RP
FC FLAGS
FB IMR
FA IRQ
F9 IPR
F8 P01M
F7 P3M
F6 P2M
F5 Reserved
F4 Reserved
F3 Reserved
F2 Reserved
F1 Reserved
F0 Reserved
U = Unknown.
*Is not reset with a Stop Mode Recovery.
**All addresses are in hexadecimal.
Is not reset with a Stop Mode Recovery, except Bit 0.
Bit 5 is not reset with a Stop Mode Recovery.
Bits 5,4,3,2 not reset with a Stop Mode Recovery.
Bits 5 and 4 not reset with a Stop Mode Recovery.
Bits 5,4,3,2,1 not reset with a Stop Mode Recovery.
Expanded Reg. Bank 0/Group (0)
(0) 03 P3
(0) 02 P2
0
U
U
*
*
*
*
*
*
*
*
*
*
*
Expanded Reg. Bank F/Group 0**
Register**
Register Pointer
Z8 Standard Control Registers
Expanded Reg. Bank D/Group 0
Reset Condition
U
(0) 00 P0
Reserved
NOTE: A write has no effect. Will always read back FF.
NOTE
Product Specification
17
19-4622; Rev 0; 5/09Functional Description
Figure 10. Expanded Register File Architecture
Crimzon® ZLR16300
Product Specification
The upper nibble of the register pointer (see Figure 11) selects which working register
group, of 16 bytes in the register file, is accessed out of the possible 256. The lower nibble
selects the expanded register file bank and in the case of the Crimzon ZLR16300 family,
banks 0, F, and D are implemented. A
file (bank 0) to be addressed. Any other value from
The counter/timers are mapped into ERF group D. Access is easily performed using the
following:
LDRP, #0Dh;Select ERF D
for access to
bank D
;(working
register group
0)
LDR0,#xx;load CTR0
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
Note:
Product Specification
LD1, #xx;load CTR1
LDR1, 2;CTR2CTR1
LDRP, #0Dh;Select ERF D
for access to
bank D
; (working
register group
0)
LDRP, #7Dh;Select
expanded
register bank D
and working
;register group
7 of bank 0 for
access.
LD71h, 2
19
;CTRL2register
71h
LDR1, 2
;CTRL2register 71h
Register File
The Register file (bank 0) consists of three I/O port registers, 237 general-purpose registers, 16 control and status registers (R0, R2, R3, R4–R239, and R2 40–R255, respectively),
and two expanded register Banks D (see Table 6 on page 22) and F . Instructions can access
registers directly or indirectly through an 8-bit address field, thereby allowing a short, 4bit register address to use the Register Pointer (see Figure 12 on page 20). In the 4-bit
mode, the register file is divided into 16 working register groups, each occupying 16 continuous locations. The Register Pointer addresses the starting location of the active working register group.
Register address E0h–EFh can be accessed only through working registers and indirect
addressing modes.
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
R7R6R5R4R3R2R1R
0
The upper nibble of the register file addr es s
provided by the register pointer specifies the
active working-register group.
Specified Working
Register Group
Register Group 1
Register Group 0 I/O Ports
R253
The lower nibble of the
register file address
provided by the instruction
points to the specified
register.
* RP = 00: Selects Register Bank 0, Working Register Group 0
R15 to R0
R15 to R4 *
R3 to R0 *
40
3F
30
2F
20
1F
10
0F
00
Register Group 2
4F
FF
F0
Product Specification
20
Figure 12. Register Pointer—Detail
Stack
The internal register file is used for the stack. An 8-bit Stack Pointer SPL (R255) is used
for the internal stack that resides in the general-purpose registers (R4–R239). SPH (R254)
is used as a general-purpose register.
Timers
T8_Capture_HI—HI8(0D)0Bh
This register stores the captured data from the output of the 8-bit Counter/Timer0. Typically, this register holds the number of counts when the input signal is 1.
19-4622; Rev 0; 5/09Functional Description
FieldBit PositionDescription
T8_Capture_HI[7:0]R/WCaptured Data—No Effect
Crimzon® ZLR16300
Product Specification
T8_Capture_LO—L08(0D)0Ah
This register holds the captured data from the output of the 8-bit Counter/Timer0. Typically, this register holds the number of counts when the input signal is 0.
FieldBit PositionDescription
T8_Capture_L0[7:0]R/WCaptured Data—No Effect
T16_Capture_HI—HI16(0D)09h
This register holds the captured data from the output of the 16-bit Counter/Timer16. This
register holds the MS-Byte of the data.
FieldBit PositionDescription
21
T16_Capture_HI [7:0]R/WCaptured Data—No Effect
T16_Capture_LO—L016(0D)08h
This register holds the captured data from the output of the 16-bit Counter/Timer16. This
register holds the LS-Byte of the data.
FieldBit PositionDescription
T16_Capture_LO [7:0]R/W Captured Data—No Effect
Counter/Timer2 MS-Byte Hold Register—TC16H(0D)07h
FieldBit PositionDescription
T16_Data_HI[7:0]R/WData
Counter/Timer2 LS-Byte Hold Register—TC16L(0D)06h
FieldBit PositionDescription
T16_Data_LO[7:0]R/WData
19-4622; Rev 0; 5/09Functional Description
Counter/Timer8 High Hold Register—TC8H0(D)05h
FieldBit PositionDescription
T8_Level_HI[7:0]R/WData
Counter/Timer8 Low Hold Register—TC8L(0D)04h
FieldBit PositionDescription
T8_Level_LO[7:0]R/WData
CTR0 Counter/Timer8 Control Register—CTR0(0D)00h
Crimzon® ZLR16300
Product Specification
22
Table 6 lists and briefly describes the fields for this register.
Table 6. CTR0(0D)00h Counter/Timer8 Control Register
When set to 0 (MODULO-N), the counter reloads the initial value when the terminal
count is reached. When set to 1 (Single-Pass), the counter stops when the terminal count is
reached.
Timeout
This bit is set when T8 times out (terminal count reached). T o r eset this bit, write a 1 to its
location.
Writing a 1 is the only way to reset the Terminal Count status condition. Reset this bit
before using/enabling the counter/timers.
23
The first clock of T8 might not have complete clock width and can occur any time when
enabled.
Ensure to manipulate CTR0, bit 5 and CTR1, bits 0 and 1 (DEMODULATION mode)
while using the OR or AND commands. These instructions use a Read-Modify-Write
sequence in which the current status from the CTR0 and CTR1 registers is ORed or
ANDed with the designated value and then written back into the registers.
T8 Clock
These bits define the frequency of the input signal to T8.
Capture_INT_Mask
Set this bit to allow an interrupt when data is captured into either LO8 or HI8 upon a positive or negative edge detection in CAPTURE Mode.
Counter_INT_Mask
Set this bit to allow an interrupt when T8 has a timeout.
P34_Out
This bit defines whether P34 is used as a normal output pin or the T8 output.
T8 and T16 Common Functions—CTR1(0D)01h
This register controls the functions common with the T8 and T16.
Table 7 lists and briefly describes the fields for this register.
19-4622; Rev 0; 5/09Functional Description
Product Specification
Table 7. CTR1(0D)01h T8 and T16 Common Functions
FieldBit PositionValueDescription
Mode7-------R/W0*
1
P36_Out/
Capture_Input
T8/T16_Logic/
Edge _Detect
Transmit_Submode/
Glitch_Filter
Initial_T8_Out/
Rising Edge
-6------R/W
--54----R/W
----32--R/W
------1-
R/W
R
W
0*
1
0*
1
00**
01
10
11
00**
01
10
11
00
01
10
11
00
01
10
11
0
1
0
1
0
1
TRANSMIT Mode
DEMODULATION Mode
TRANSMIT Mode
Port Output
T8/T16 Output
DEMODULATION Mode
P31
P20
TRANSMIT Mode
AND
OR
NOR
NAND
DEMODULATION Mode
Falling Edge
Rising Edge
Both Edges
Reserved
TRANSMIT Mode
T8_OUT is 0 Initially
T8_OUT is 1 Initially
DEMODULATION Mode
No Rising Edge
Rising Edge Detected
No Effect
Reset Flag to 0
Crimzon® ZLR16300
24
19-4622; Rev 0; 5/09Functional Description
Product Specification
Table 7. CTR1(0D)01h T8 and T16 Common Functions (Continued)
FieldBit PositionValueDescription
Initial_T16_Out/
Falling_Edge
*Default at Power-On Reset.
*Indicates the value upon Power-On Reset. Not reset with a Stop Mode Recovery.
-------0
R/W
R
W
0
1
0
1
0
1
TRANSMIT Mode
T16_OUT is 0 Initially
T16_OUT is 1 Initially
DEMODULATION Mode
No Falling Edge
Falling Edge Detected
No Effect
Reset Flag to 0
Mode
Crimzon® ZLR16300
25
If the result is 0, the counter/timers are in TRANSMIT mode, else, they are in DEMODULATION mode.
P36_Out/Demodulator_Input
In TRANSMIT mode, this bit defines whether P36 is used as a normal output pin or the
combined output of T8 and T16.
In DEMODULATION mode, this bit defines whether the input signal to the Counter/Timers is from P20 or P31.
If the input signal is from Port 31, a capture event generates an IRQ2 interrupt. To prevent
generating an IRQ2, either disable the IRQ2 interrupt by clearing its IMR bit D2 or use
P20 as the input.
T8/T16_Logic/Edge_Detect
In TRANSMIT mode, this field defines how the outputs of T8 and T16 are combined
(AND, OR, NOR, NAND).
In DEMODULATION mode, this field defines which edge is detected by the edge detector.
Transmit_Submode/Glitch Filter
In TRANSMIT mode, this field defines whether T8 and T16 are in the PING-PONG mode
or in independent Normal operation mode. Setting this field to ‘Normal Operation mode’
terminates the ‘PING-PONG mode’ operation. When set to 10, T16 is immediately forced
to a 0; a setting of 11 forces T16 to output a 1.
In DEMODULATION mode, this field defines the width of the glitch that must be filtered
out.
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
Note:
Product Specification
Initial_T8_Out/Rising_Edge
In TRANSMIT mode, if 0, the output of T8 is set to 0 when it starts to count. If 1, the output of T8 is set to 1 when it starts to count. When the counter is not enabled and this bit is
set to 1 or 0, T8_OUT is set to the opposite state of this bit. This ensures that when the
clock is enabled, a transition occurs to the initial state set by CTR1, D1.
In DEMODULATION mode, this bit is set to 1 when a rising edge is detected in the input
signal. In order to reset the mode, a 1 should be written to this location.
Initial_T16 Out/Falling _Edge
In TRANSMIT mode, if it is 0, the output of T16 is set to 0 when it starts to count. If it is
1, the output of T16 is set to 1 when it starts to count. This bit is effective only in NORMAL or PING-PONG mode (CTR1, D3; D2). When the counter is not enabled and this bit
is set, T16_OUT is set to the opposite state of this bit. This ensures that when the clock is
enabled, a transition occurs to the initial state set by CTR1, D0.
26
In DEMODULATION mode, this bit is set to 1 when a falling edge is detected in the input
signal. In order to reset it, a 1 should be written to this location.
Modifying CTR1 (D1 or D0) while the counters are enabled causes unpredictable output
from T8/16_OUT.
CTR2 Counter/Timer 16 Control Register—CTR2(0D)02h
Table 8 lists and briefly describes the fields for this register.
Table 8. CTR2(0D)02h: Counter/Timer16 Control Register
TRANSMIT Mode
Modulo-N
Single Pass
DEMODULATION Mode
T16 Recognizes Edge
T16 Does Not Recognize
Edge
Time_Out--5-----R
W
19-4622; Rev 0; 5/09Functional Description
0**
1
0
1
No Counter Timeout
Counter Timeout
Occurred
No Effect
Reset Flag to 0
Crimzon® ZLR16300
Product Specification
Table 8. CTR2(0D)02h: Counter/Timer16 Control Register (Continued)
FieldBit PositionValueDescription
27
T16 _Clock---43---R/W00**
01
10
11
Capture_INT_Mask-----2--R/W0**
1
Counter_INT_Mask------1-R/W0*Disable Timeout Int.
P35_Out-------0R/W0*
1
*Indicates the value upon Power-On Reset.
**Indicates the value upon Power-On Reset. Not reset with a Stop Mode Recovery.
SCLK
SCLK/2
SCLK/4
SCLK/8
Disable Data Capture Int.
Enable Data Capture Int.
Enable Timeout Int.
P35 as Port Output
T16 Output on P35
T16_Enable
This field enables T16 when set to 1.
Single/Modulo-N
In TRANSMIT mode, when set to 0, the counter reloads the initial value when it reaches
the terminal count. When set to 1, the counter stops when the terminal count is reached.
In DEMODULATION mode, when set to 0, T16 captures and reloads on detection of all
the edges. When set to 1, T16 captures and detects on the first edge but ignores the subsequent edges. For details, see T16 DEMODULATION Mode on page 36.
Time_Out
This bit is set when T16 times out (terminal count reached). To reset the bit, write a 1 to
this location.
T16_Clock
This bit defines the frequency of the input signal to Counter/Timer16.
Capture_INT_Mask
This bit is set to allow an interrupt when data is captured into LO16 and HI16.
Counter_INT_Mask
Set this bit to allow an interrupt when T16 times out.
19-4622; Rev 0; 5/09Functional Description
P35_Out
This bit defines whether P35 is used as a normal output pin or T16 output.
CTR3 T8/T16 Control Register—CTR3(0D)03h
Table 9 lists and briefly describes the fields for this register. This register allow the T8 and
T16 counters to be synchronized.
Table 9. CTR3(0D)03h T8/T16 Control Register
Crimzon® ZLR16300
Product Specification
28
T16_Enable7-------R
R
W
W
T8 Enable-6------R/W0**
Sync Mode--5-----R/W0*
Reserved---43210R/W1
*Indicates the value upon Power-On Reset.
***Indicates the value upon Power-On Reset. Not reset with a Stop Mode Recovery.
0*
1
0
1
1
0
1
1
x
Counter/Timer Functional Blocks
Input Circuit
The edge detector monitors the input signal on P31 or P20. Based on CTR1 D5–D4, a
pulse is generated at the Pos Edge or Neg Edge line when an edge is detected. Glitches in
the input signal that have a width less than specified (CTR1 D3, D2) are filtered out (see
Before T8 is enabled, the output of T8 depends on CTR1, D1. If it is 0, T8_OUT is 1; if it
is 1, T8_OUT is 0. See Figure 14 on page 30.
19-4622; Rev 0; 5/09Functional Description
Set Timeout Status Bit
(CTR0 D5) and Generate
Timeout_Int if Enabled
Set Timeout Status Bit
(CTR0 D5) and Generate
Timeout_Int if Enabled
T8 (8-Bit)
TRANSMIT Mode
No
T8_Enable Bit Set
CTR0, D7
Yes
CTR1, D1
Value
Reset T8_Enable Bit
0
1
Load TC8L
Reset T8_OUT
Load TC8H
Set T8_OUT
Enable T8
No
T8_Timeout
Yes
Single Pass
Single
Modulo-N
T8_OUT Value
0
Enable T8
No
T8_Timeout
Yes
Pass?
Load TC8H
Set T8_OUT
Load TC8L
Reset T8_OUT
1
Crimzon® ZLR16300
Product Specification
30
Figure 14. TRANSMIT Mode Flowchart
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
CTR0 D1
Negative Edge
Positive Edge
Z8 Data Bus
IRQ4
CTR0 D2
SCLK
Z8 Data Bus
CTR0 D4, D3
Clock
T8_OUT
LO8
TC8HTC8L
Clock
Select
8-Bit
Counter T8
HI8
Caution:
Note:
Product Specification
When T8 is enabled, the output T8_OUT switches to the initial value (CTR1, D1). If the
initial value (CTR1, D1) is 0, TC8L is loaded, else, TC8H is loaded into the counter. In
SINGLE-PASS mode (CTR0, D6), T8 counts down to 0 and stops, T8_OUT toggles, the
timeout status bit (CTR0, D5) is set, and a timeout interrupt can be generated if it is
enabled (CTR0, D1). In MODULO-N mode, upon reaching terminal count, T8_OUT is
toggled, but no interrupt is generated. From that point, T8 loads a new count (if the
T8_OUT level now is 0), TC8L is loaded; if it is 1, TC8H is loaded. T8 counts down to 0,
toggles T8_OUT, and sets the timeout status bit (CTR0, D5), thereby generating an interrupt if enabled (CTR0, D1). One cycle is complete. T8 then loads from TC8H or TC8L
according to the T8_OUT level and repeats the cycle. See Figure 15.
31
Figure 15. 8-Bit Counter/Timer Circuits
The values in TC8H or TC8L can be modified at any time. The new values take effect
when they are loaded.
To ensure known operation do not write these registers at the time the values are to be
loaded into the counter/timer. An initial count of 1 is not allowed (a non-function occurs). An initial count of 0 causes TC8 to count from 0 to
19-4622; Rev 0; 5/09Functional Description
The letter
h denotes hexadecimal values.
Transition from 0 to
FFh is not a timeout condition.
FFh to FEh.
Crimzon® ZLR16300
Caution:
TC8H
Counts
Counter Enable Command;
T8_OUT Switches to Its
Initial Value (CTR1 D1)
T8_OUT Toggles;
Timeout Interrupt
Counter Enable Command;
T8_OUT Switches to Its
Initial Value (CTR1 D1)
Timeout
Interrupt
Timeout
Interrupt
T8_OUT
T8_OUT Toggles
TC8LTC8HTC8HTC8LTC8L
...
Product Specification
Using the same instructions for stopping the counter/timers and setting the status bits is
not recommended.
Two successive commands are necessary. First, the counter/timers must be stopped. Second, the status bits must be reset. These commands are required because it takes one counter/timer clock interval for the initiated event to actually occur. See Figure 16 and
Figure 17.
32
Figure 16. T8_OUT in SINGLE-PASS Mode
Figure 17. T8_OUT in MODULO-N Mode
T8 DEMODULATION Mode
You must program TC8L and TC8H to
ing, falling, or both depending on CTR1, D5; D4) is detected, it starts to count down.
When a subsequent edge (rising, falling, or both depending on CTR1, D5; D4) is detected
during counting, the current value of T8 is complemented and put into one of the capture
registers. If it is a positive edge, data is put into LO8; if it is a negative edge, data is stored
in HI8. From that point, one of the edge detect status bits (CTR1, D1; D0) is set, and an
interrupt is generated if enabled (CTR0, D2). Meanwhile, T8 is loaded with
counting again. If T8 reaches 0, the timeout status bit (CTR0, D5) is set, and an interrupt
FFh. After T8 is enabled, when the first edge (ris-
FFh and starts
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
T8 (8-Bit)
Count Capture
T8 Enable
(Set by User)
No
Yes
Edge Present
What Kind
of Edge
T8
HI8
No
Yes
Negative
FFh T8
Positive
T8 LO8
Product Specification
can be generated if enabled (CTR0, D1). T8 then continues counting from FFh (see
In NORMAL or PING-PONG mode, the output of T16 when not enabled, is dependent on
CTR1, D0. If it is a 0, T16_OUT is a 1; if it is a 1, T16_OUT is 0. You can force the output
of T16 to either a 0 or 1 whether it is enabled or not by programming CTR1 D3; D2 to a
10 or 11.
When T16 is enabled, TC16H * 256 + TC16L is loaded, and T16_OUT is switched to its
initial value (CTR1, D0). When T16 counts down to 0, T16_OUT is toggled (in NORMAL or PING-PONG mode), an interrupt (CTR2, D1) is generated (if enabled), and a status bit (CTR2, D5) is set. See Figure 20.
35
Figure 20. 16-Bit Counter/Timer Circuits
Global interrupts override this function as described in Interrupts on page 39.
If T16 is in SINGLE-PASS mode, it is stopped at this point (see Figure 21 on page 36). If
it is in MODULO-N mode, it is loaded with TC16H * 256 + TC16L, and the counting
continues (see Figure 22 on page 36).
19-4622; Rev 0; 5/09Functional Description
The values in TC16H and TC16L can be modified at any time. The new values take effect
when they are loaded.
Crimzon® ZLR16300
Caution:
TC16H*256+TC16L Counts
“Counter Enable” Command
T16_OUT Switches to Its
Initial Value (CTR1 D0)
T16_OUT Toggles,
Timeout Interrupt
TC16H*256+TC16L
TC16H*256+TC16L
TC16H*256+TC16L
T16_OUT Toggles,
Timeout Interrupt
T16_OUT Toggles,
Timeout Interrupt
‘Counter Enable’ Command,
T16_OUT Switches to Its
Initial Value (CTR1 D0)
TC16_OUT
...
Product Specification
Do not load these registers at the time the values ar e to be loaded into the counter/timer
to ensure known operation. An initial count of 1 is not allowed. An initial count of 0
causes T16 to count from 0 to
FFFFh to FFFEh. Transiti on from 0 to FFFFh is not a time-
out condition.
Figure 21. T16_OUT in SINGLE-PASS Mode
36
19-4622; Rev 0; 5/09Functional Description
T16 DEMODULATION Mode
You must program TC16L and TC16H to FFh. Once T16 is enabled, and the first edge
(rising, falling, or both depending on CTR1 D5; D4) is detected, T16 captures HI16 and
LO16, reloads, and begins counting.
If D6 of CTR2 Is 0
When a subsequent edge (rising, falling, or both depending on CTR1, D5; D4) is detected
during counting, the current count in T16 is complemented and put into HI16 and LO16.
When data is captured, one of the edge detect status bits (CTR1, D1; D0) is set, and an
interrupt is generated if enabled (CTR2, D2). T16 is loaded with
This T16 mode is generally used to measure space time, the length of time between bursts
of carrier signal (marks).
Figure 22. T16_OUT in MODULO-N Mode
FFFFh and starts again.
Crimzon® ZLR16300
Note:
Enable
TC8
Enable
Timeout
TC16
Ping-Pong
CTR1 D3,D2
Timeout
Product Specification
If D6 of CTR2 Is 1
T16 ignores the subsequent edges in the input signal and continues counting down. A
timeout of T8 causes T16 to capture its current value and generate an interrupt if enabled
(CTR2, D2). In this case, T16 does not reload and continues counting. If the D6 bit of
CTR2 is toggled (by writing a 0 then a 1 to it), T16 captures and reloads on the next edge
(rising, falling, or both depending on CTR1, D5; D4), continuing to ignore subsequent
edges.
This T16 mode generally measures mark time, the length of an active carrier signal burst.
37
If T16 reaches 0, T16 continues counting from
FFFFh. Meanwhile, a status bit (CTR2 D5)
is set, and an interrupt timeout is generated if enabled (CTR2 D1).
PING-PONG Mode
This operation mode is valid only in TRANSMIT mode. T8 and T16 must be programmed
in SINGLE-PASS mode (CTR0, D6; CTR2 , D6), and Ping-Pong mode must be programmed in CTR1, D3; D2. You can begin the operation by enabling either T8 or T16
(CTR0, D7 or CTR2, D7). For example, if T8 is enabled, T8_OUT is set to this initial
value (CTR1, D1). According to T8_OUT's level, TC8H or TC8L is loaded into T8. After
the terminal count is reached, T8 is disabled, and T16 is enabled. T16_OUT then switches
to its initial value (CTR1, D0), data from TC16H and TC16L is loaded, and T16 starts to
count. After T16 reaches the terminal count, it stops, T8 is enabled again, repeating the
entire cycle. Interrupts are allowed when T8 or T16 reaches terminal control (CTR0, D1;
CTR2, D1). To stop the Ping-Pong operation, write 00 to bits D3 and D2 of CTR1. See
Figure 23.
Enabling Ping-Pong operation while the counter/timers are running might cause intermittent counter/timer function. Disable the counter/timers and reset the status Flags before
instituting this operation.
19-4622; Rev 0; 5/09Functional Description
Figure 23. PING-PONG Mode Diagram
Crimzon® ZLR16300
T16_OUT
MUX
CTR1 D3
T8_OUT
P34
AND/OR/NOR/NAND
Logic
MUX
MUX
MUX
P35
P36
P34_Internal
CTR1 D5, D4
P36_Internal
P35_Internal
CTR1, D2
CTR0 D0
CTR1 D6
CTR2 D0
Product Specification
Initiating PING-PONG Mode
Ensure that both counter/timers are not running. Set T8 into SINGLE-PASS mode (CTR0,
D6), set T16 into SINGLE-PASS mode (CTR2, D6), and set the PING-PONG mode
(CTR1, D2; D3). These instructions can be in random order. Finally, start PING-PONG
mode by enabling either T8 (CTR0, D7) or T16 (CTR2, D7). See Figure 23 on page 38.
38
Figure 24. Output Circuit
The initial value of T8 or T16 must not be
1. If you stop the timer and restart the timer,
reload the initial value to avoid an unknown previous value.
During PING-PONG Mode
The enable bits of T8 and T16 (CTR0, D7; CTR2, D7) are set and cleared alternately by
hardware. The timeout bits (CTR0, D5; CTR2, D5) are set every time the counter/timers
reach the terminal count.
Timer Output
The output logic for the timers is displayed in Figure 24. P34 is used to output T8-OUT
when D0 of CTR0 is set. P35 is used to output the value of T16-OUT when D0 of CRTR2
is set. When D6 of CTR1 is set, P36 outputs the logic combination of T8-OUT and T16OUT determined by D5 and D4 of CTR1.
19-4622; Rev 0; 5/09Functional Description
Interrupts
Crimzon® ZLR16300
Product Specification
The Crimzon ZLR16300 features six different interrupts (see Table 10 on page 41). The
interrupts are maskable and prioritized (see Figure 25 on page 40). The six sources are
divided as follows:
•
Three sources are claimed by Port 3 lines P33–P31
•
Two by the counter/timers (see Table 10 on pag e 41)
•
One for low-voltage detection
The Interrupt Mask Register (globally or individually) enables or disables the six interrupt
requests.
The source for IRQ is determined by bit 1 of the Port 3 mode register (P3M). When in
DIGITAL mo de, Pin P33 is the source. When in ANALOG mode the output of the Stop
Mode Recovery source logic is used as the source for the interrupt. See Figure 30 on page
IRQ2P31, T
IRQ3T166,7Internal
IRQ4T88,9Internal
IRQ5LVD10,11Internal
4,5External (P31), Rising, Falling Edge Triggered
IN
When more than one interrupt is pending, priorities are resolved by a programmable priority encoder controlled by the Interrupt Priority Register. An interrupt machine cycle activates when an interrupt request is granted. As a result, all subsequent interrupts are
disabled, and the Program Counter and Status Flags are saved. The cycle then branches to
the Program Memory vector location reserved for that interrupt. All Crimzon ZLR16300
interrupts are vectored through locations in the Program Memory. This memory location
and the next byte contain the 16-bit address of the interrupt service routine for that particular interrupt request. To accommodate polled interrupt systems, interrupt inputs are
masked, and the Interrupt Request register is polled to determine which of the interrupt
requests require service.
An interrupt resulting from AN1 is mapped into IRQ2, and an interrupt from AN2 is
mapped into IRQ0. Interrupts IRQ2 and IRQ0 can be rising, falling, or both edge triggered. You can program these interrupts. The software can poll to identify the state of the
pin.
Programming bits for the Interrupt Edge Select are located in the IRQ Register (R250),
bits D7 and D6. Table 11 indicates the IRQ configuration.
Table 11. IRQ Register
IRQInterrupt Edge
D7D6IRQ2 (P31)IRQ0 (P32)
00FF
01FR
10RF
11R/FR/F
Note: F = Falling Edge; R = Rising Edge.
19-4622; Rev 0; 5/09Functional Description
Clock
Note:
C1
C2
XTAL1
XTAL2
XTAL1
XTAL2
Crystal
C1, C2 = 10 pF *
f = 8 MHz
External Clock
*Note: preliminary value.
XTAL1
XTAL2
Ceramic Resonator f = 8 MHz
Crimzon® ZLR16300
Product Specification
42
The device’ s on-ch ip oscill ato r has a high-gai n, parallel-resonant amplifier for connection
to a crystal, ceramic resonator, or any suitable external clock source (XTAL1 = Input,
XT AL2 = Output). The crystal must be AT cut, 1 MHz to 8 MHz (maximum) with a series
resistance (RS) less than or equal to 100 . The on-chip oscillator is driven with a suitable
external clock source.
The crystal must be connected across XTAL1 and XTAL2 using the recommended capacitors from each pin to ground. The typical capacitor value is 10 pF for 8 MHz.
Check with the crystal supplier for the optimum capacitance.
Figure 26. Oscillator Configuration
Maxim’s IR MCU supports crystal, resonator, and oscillator. Most resonators have a frequency tolerance of less than ±0.5%, which is enough for remote control application. Resonator has a very fast startup time, which is around few hundred microseconds. Most
crystals have a frequency tolerance of less than 50 ppm (±0.005%). However, crystal
needs longer startup time than the resonator. The large loading capacitance slows down
the oscillation startup time. Maxim suggests not to use more than 10 pF loading capacitor
for the crystal. If the stray capacitance of the PCB or the crystal is high, the loading capacitance C1 and C2 must be reduced further to ensure stable oscillation before the T
(Power-On Reset time is typically 5–6 ms, see Table 18 on page 75).
POR
For SMR operation, bit 5 of SMR register allows you to select the SMR delay, which is the
. If SMR delay is not selected, the MCU executes instruction immediately after it
T
POR
wakes up from the STOP mode. If resonator or crystal is used as a clock source then SMR
delay needs to be selected (bit 5 of SMR = 1).
19-4622; Rev 0; 5/09Functional Description
For both resonator and crystal oscillator, the oscillation ground must go directly to the
ground pin of the microcontroller. The oscillation ground must use the shortest distance
from the microcontroller ground pin and it must be isolated from other connections.
Power Management
Power-On Reset
A timer circuit clocked by a dedicated on-board RC-oscillator is used for the Power-On
Reset timer function. The POR time allows V
before instruction execution begins.
The POR timer circuit is a one-shot timer triggered by one of three conditions:
Crimzon® ZLR16300
Product Specification
and the oscillator circuit to stabilize
DD
43
1. Power Fail to Power OK status, including Waking up from V
Standby.
BO
2. Stop Mode Recovery (if D5 of SMR = 1).
3. WDT Timeout.
The POR timer is 2.5 ms minimum. Bit 5 of the Stop-Mode Register determines whether
the POR timer is bypassed after Stop Mode Recovery (typical for external clock).
HALT Mode
This instruction turns Off the internal CPU clock, but not the XTAL oscillation. The counter/timers and external interrupts IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, and IRQ5 remain
active. The devices are recovered by interrupts, either externally or internally generated.
An interrupt request must be executed (enabled) to exit HALT mode. After the interrupt
service routine, the program continues from the instruction after the HALT.
STOP Mode
This instruction turns OFF the internal clock and external crystal oscillation, reducing the
standby current to 10 A or less. STOP mode is terminated only by a reset, such as WDT
timeout, POR or SMR. This condition causes the processor to restart the application program at address
000Ch. In order to enter STOP (or HALT) mode, first flush the instruction
pipeline to avoid suspending execution in mid-instruction. Execute an NOP instruction
(Opcode =
FFh) immediately before the appropriate sleep instruction, as follows:
FFNOP; clear the pipeline
6FSTOP; enter Stop Mode
or
FFNOP; clear the pipeline
7FHALT; enter Halt Mode
19-4622; Rev 0; 5/09Functional Description
Port Configuration
Port Configuration Register
The Port Configuration (PCON) register (see Figure 27) configures the comparator output
on Port 3. It is located in the expanded register file at Bank F, location 00.
PCON (0F) 00H
D7D6D5D4D3D2D1D0
Crimzon® ZLR16300
Product Specification
44
Comparator Output Port 3
0 P34, P37 Standard Output*
1 P34, P37 Comparator Output
Reserved (Must be 1)
Port 0
0: Open-Drain
1: Push-Pull*
Reserved (Must be 1)
*Default setting after reset.
Figure 27. Port Configuration Register (PCON) (Write Only)
Comparator Output Port 3 (D0)
Bit 0 controls the comparator used in Port 3. A 1 in this location brings the comparator
outputs to P34 and P37, and a 0 releases the Port to its standard I/O configuration.
Port 0 Output Mode (D2)
Bit 2 controls the output mode of port 0. A 1 in this location sets the output to push-pull,
and a 0 sets the output to open-drain.
Stop Mode Recovery
Stop Mode Recovery Register
This register selects the clock divide value and determines the mode of Stop Mode Recovery (see Figure 28 on page 45). All bits are write only except bit 7, which is read only. Bit
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
Product Specification
7 is a Flag bit that is hardware set on the condition of Stop recovery and reset by a poweron cycle. Bit 6 controls whether a low level or a high level at the XOR-gate input (see
Figure 30 on page 47) is required from the recovery source. Bit 5 controls the reset delay
after recovery. Bits D2, D3, and D4 of the SMR register specify the source of the Stop
Mode Recovery signal. Bits D0 determines if SCLK/TCLK are divided by 16 or not. The
SMR is located in Bank F of the Expanded Register File at address
0Bh.
SMR (0F) 0BH
D7D6D5D4D3D2D1D0
SCLK/TCLK Divide-by-16
0 OFF * *
1 ON
Reserved (Must be 0)
45
Stop Mode Recovery Source
000 POR Only *
001 Reserved
010 P31
011 P32
100 P33
101 P27
110 P2 NOR 0-3
111 P2 NOR 0-7
Stop Delay
0 OFF
1 ON * * * *
Stop Recovery Level * * *
0 Low *
1 High
Stop Flag
0 POR *
1 Stop Recovery * *
*Default after Power-On Reset or Watchdog Reset.
* *Default setting after Reset and Stop Mode Recovery.
* * *At the XOR gate input.
* * * *Default setting after reset. Must be 1 if using a crystal or resonator clock source.
Figure 28. Stop Mode Recovery Register
SCLK/TCLK Divide-by-16 Select (D0)
D0 of the SMR controls a divide-by-16 prescaler of SCLK/TCLK (see Figure 29 on page
46). This control selectively reduces device power consumption during normal processor
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
SCLK
TCLKSMR, D0
2
OSC
16
Product Specification
execution (SCLK control) and/or HALT mode (where TCLK sources interrupt logic).
After Stop Mode Recovery, this bit is set to 0.
46
Figure 29. SCLK Circuit
Stop Mode Recovery Register 2—SMR2(0F)0DH
Table 12 lists and describes the fields for this register.
Reserved7-------0Reserved (Must be 0)
Recovery Level-6------W0
Reserved--5-----0Reserved (Must be 0)
Source---432--W000
Reserved------1000Reserved (Must be 0)
†
1
001
010
011
100
101
110
111
Low
High
†
A. POR Only
B. NAND of P23–P20
C. NAND of P27–P20
D. NOR of P33–P31
E. NAND of P33–P31
F. NOR of P33–P31, P00, P07
G. NAND of P33–P31, P00, P07
H. NAND of P33–P31, P22–P20
*Port pins configured as outputs are ignored as an SMR recovery source.
†
Indicates the value at Power-On Reset.
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
SMR2 D4 D3 D2
100
SMR2 D4 D3 D2
111
SMR D4D3D2
010
SMR D4D3D2
111
SMR D4D3D2
101
SMR D4D3D2
100
SMR D4D3D2
011
SMR D4D3D2
000
SMR D4D3D2
110
VCC
P31
P32
P33
P27
P20
P23
P20
P27
SMR2 D4 D3 D2
001
SMR2 D4 D3 D2
000
SMR2 D4 D3 D2
010
SMR2 D4 D3 D2
011
SMR2 D4 D3 D2
101
SMR2 D4 D3 D2
110
VCC
P20
P23
P20
P27
P31
P32
P33
P31
P32
P33
P31
P32
P33
P00
P31
P32
P33
P00
P31
P32
P33
P20
P21
SMR D6
SMR2 D6
To RESET and WDT
Circuitry (Active Low)
Product Specification
Stop Mode Recovery Source (D2, D3, and D4)
These three bits of the SMR specify the wake-up source of the Stop recovery (see
Figure 30 on page 47 and Table 13 on page 48).
47
Figure 30. Stop Mode Recovery Source
19-4622; Rev 0; 5/09Functional Description
Table 13. Stop Mode Recovery Source
Note:
Note:
SMR: 432Operation
D4D3D2Description of Action
000POR and/or external reset recovery
001Reserved
010P31 transition
011P32 transition
100P33 transition
101P27 transition
110Logical NOR of P20 through P23
Crimzon® ZLR16300
Product Specification
48
111Logical NOR of P20 through P27
Any Port 2 bit defined as an output drives the corr esponding input to the default state. This
condition allows the remaining inputs to control the AND/OR function. For other recover
sources, see Stop Mode Recovery Register 2 (SMR2).
Stop Mode Recovery Delay Select (D5)
This bit, if Low, disables the T
delay after Stop Mode Recovery. The default configu-
POR
ration of this bit is 1. If the ‘fast’ wake-up is selected, the Stop Mode Recovery source
must be kept active for at least 10 TpC.
This bit must be set to 1 if using a crystal or resonator clock source. The T
POR
delay
allows the clock source to stabilize before executing instructions.
Stop Mode Recovery Edge Select (D6)
A 1 in this bit position indicates that a High level on any one of the recovery sources
wakes the Crimzon ZLR16300 from STOP mode. A 0 indicates Low level recovery. The
default is 0 on POR.
Cold or Warm Start (D7)
This bit is read only. It is set to 1 when the device is recovered from STOP mode. The bit
is set to 0 when the device reset is other than SMR.
Stop Mode Recovery Register 2 (SMR2)
This register determines the mode of Stop Mode Recovery for SMR2 (see Figure 31 on
page 49).
Note: If used in conjunction with SMR, either of the two specified events causes a Stop Mode Recovery.
*Default setting after reset.
* *At the XOR gate input.
If SMR2 is used in conjunction with SMR, either of the specified events causes a Stop
Mode Recovery.
Port pins configured as outputs are ignored as an SMR or SMR2 recovery source. For
example, if the NAND or P23–P20 is selected as the recovery source and P20 is configured as an output, the remaining SMR pins (P23–P21) form the NAND equation.
19-4622; Rev 0; 5/09Functional Description
Watchdog Timer Mode
Watchdog Timer Mode Register (WDTMR)
The W atchdog T imer is a retriggerable one-shot timer that resets the Z8 if it reaches its terminal count. The WDT must initially be enabled by executing the WDT instruction. On
subsequent executions of the WDT instruction, the WDT is refreshed. The WDT circuit is
driven by an on-board RC-oscillator. The WDT instruction affects the Zero (Z), Sign (S),
and Overflow (V) Flags.
The POR clock source the internal RC-oscillator . Bits 0 and 1 of the WDT register control
a tap circuit that determines the minimum timeout period. Bit 2 determines whether the
WDT is active during HALT, and Bit 3 determines WDT activity during ST OP. Bits 4
through 7 are reserved (see Figure 32). This register is accessible only during the first 60
processor cycles (120 XTAL clocks) from the execution of the first instruction after
Power-On Reset, Watchdog Reset, or a Stop Mode Recovery (see Figure 31 on page 49).
After this point, the register cannot be modified by any means (intentional or otherwise).
The WDTMR cannot be read. The register is located in Bank F of the Expanded Register
File at address location
Crimzon® ZLR16300
Product Specification
50
0Fh. It is organized as displayed in Figure 32.
WDTMR (0F) 0FH
D7D6D5D4D3D2D1D0
WDT TAP INT RC OSC
0010 ms min.
01*20 ms min.
1040 ms min.
11160 ms min.
This bit selects the WDT time period. It is configured as indicated in Table 14.
Table 14. Watchdog Timer Time Select
D1D0Timeout of Internal RC-Oscillator
0010 ms min.
0120 ms min.
1040 ms min.
11160 ms min.
WDTMR During Halt (D2)
51
This bit determines whether the WDT is active or not during HALT mode. A 1 indicates
active during HALT. The default is 1. See Figure 33 on page 52.
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
-
*CLR1 and CLR2 enable the WDT/POR and 18 Clock Reset timers respectively upon a Low-to-High input translation.
+
From Stop
Mode
Recovery
Source
Stop Delay
Select (SMR)
5 Clock Filter
*CLR2
18 Clock RESET
CLK Generator
RESET
WDT TAP SELECT
POR 10 ms 20 ms 40 ms 160 ms
CLK
*CLR1
WDT/POR Counter Chain
Internal
RC
Oscillator
WDT
V
DD
Low Operating
Voltage Detection
VBO
V
DD
Internal
RESET
Active
High
12-ns Glitch Filter
XTAL
Product Specification
52
WDTMR During Stop (D3)
Figure 33. Resets and WDT
This bit determines whether or not the WDT is active during STOP mode. A 1 indicates
active during STOP. The default is 1.
ROM Selectable Options
There are five ROM Selectable Options to choose from based on ROM code requirements.
These options are listed in Table 15 on page 53.
19-4622; Rev 0; 5/09Functional Description
Table 15. ROM Selectable Options
Note:
Note:
Port 00–03 Pull-UpsON/OFF
Port 04–07 Pull-UpsON/OFF
Port 20–27 Pull-Up Port 3 Pull-UpsON/OFF
Port 3 Pull-UpsON/OFF
Watchdog Timer at Power-On Reset ON/OFF
Voltage Brownout/Standby
Crimzon® ZLR16300
Product Specification
53
An on-chip Voltage Comparator checks that the V
operation of the device. Reset is globally driven when V
in V
the V
causes the XTAL1 and XTAL2 circuitry to stop the crystal or resonator clock. If
DD
is allowed to stay above V
DD
level is returned to above V
Low-Voltage Detection
Low-Voltage Detection Register—LVD(0D)0CH
Voltage detection does not work at STOP mode.
FieldBit PositionDescription
LVD765432---Reserved
-----2R1
------1-R1
-------0R/W1
is at the required level for correct
DD
falls below VBO. A small drop
DD
, the RAM content is preserved. When the power
RAM
, the device performs a POR and functions normally.
BO
HVD Flag set
0*
HVD Flag reset
LVD Flag set
0*
LVD Flag reset
Enable VD
0*
Disable VD
*Default after POR.
Do not modify register P01M while checking a low-voltage condition. Switching noise of
both ports 0 and 1 together might trigger the LVD Flag.
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
Note:
Product Specification
Voltage Detection and Flags
The Voltage Detection register (LVD, register 0Ch at the expanded register bank 0Dh)
offers an option of monitoring the V
0 of LVD register is set. When V oltage Detection is enabled, the V
voltage. The Voltage Detection is enabled when bit
CC
level is monitored in
CC
real time. The Flags in the LVD register valid 20 us after Voltage Detection is enabled.
The HVD Flag (bit 2 of the L VD register) is set only if V
is lower than the V
CC
HVD
. When
Voltage Detection is enabled, the LVD Flag also triggers IRQ5. The IRQ bit 5 latches the
low-voltage condition until it is cleared by instructions or reset. The IRQ5 interrupt is
served if it is enabled in the IMR register. Otherwise, bit 5 of IRQ register is latched as a
Flag only.
If it is necessary to receive an L VD interrupt upon power -up at an operating voltage lower
than the low battery detect threshold, enable interrupts using the Enable Interrupt instruction (EI) prior to enabling the voltage detection.
54
Expanded Register File Control Registers (0D)
The expanded register file control registers (0D) are displayed in Figure 34 through
*Default setting after reset.
**Default setting after reset. Not reset after Stop Mode
Recovery
R 0* T
R 1 T
W 0 Stop T
W 1 Enable T
T16 Enable
R 0* T
R 1 T
W 0 Stop T
W 1 Enable T
Disabled
8
Enabled
8
8
Disabled
16
Enabled
16
16
8
16
Figure 37. T8/T16 control Register (0D) 03H: Read/Write (Except Where Noted)
19-4622; Rev 0; 5/09Functional Description
Crimzon® ZLR16300
Note:
Product Specification
If Sync Mode is enabled, the first pulse of T8 (carrier) is always synchronized with T16
(demodulated signal). It can always provide a full carrier pulse.
LVD (0D) 0CH
D7D6D5D4D3D2D1D0
Voltage Detection
0: Disable *
1: Enable
LVD Flag (Read only)
0: LVD Flag reset *
1: LVD Flag set
59
*Default setting after reset.
Figure 38. Voltage Detection Register
HVD Flag (Read only)
0: HVD Flag reset *
1: HVD Flag set
Reserved (Must be 0)
19-4622; Rev 0; 5/09Functional Description
Expanded Register File Control Registers (0F)
The expanded register file control registers (0F) are displayed in Figure 39 through
Figure 52 on page 68.
PCON (0F) 00H
D7D6D5D4D3D2D1D0
Comparator Output Port 3
0 P34, P37 Standard Output *
1 P34, P37 Comparator Output
Crimzon® ZLR16300
Product Specification
60
Reserved. (Must be 1)
Port 0
0: Open-Drain
1: Push-Pull *
Reserved (Must be 1)
*Default setting after reset.
Figure 39. Port Configuration Register (PCON) ((0F)00H: Write Only))
19-4622; Rev 0; 5/09Functional Description
SMR (0F) 0BH
D7D6D5D4D3D2D1D0
Crimzon® ZLR16300
Product Specification
61
SCLK/TCLK Divide-by-16
0 OFF *
1 ON
Reserved (Must be 0)
Stop Mode Recovery Source
000 POR Only* *
001 Reserved
010 P31
011 P32
100 P33
101 P27
110 P2 NOR 0–3
111 P2 NOR 0–7
Stop Delay
0OFF
1 ON * * * *
Stop Recovery Level * * *
0 Low**
1 High
Stop Flag
0 POR * * * * *
1 Stop Recovery * *
*Default setting after Reset.
* *Set after Stop Mode Recovery.
* * *At the XOR gate input.
* * * *Default setting after reset. Must be 1 if using a crystal or resonator clock source. Not reset with
a Stop Mode Recovery.
* * * * *Default setting after Power-On Reset.
Note: If used in conjunction with SMR, either of the two specified events causes a Stop Mode Recovery.
*Default setting after reset. Not reset with a Stop Mode Recovery.
* *At the XOR gate input
A stress greater than listed in Table 16 may or may not cause permanent damage to the
device. Functional operation of the device at any condition above those indicated in the
operational sections of these specifications is not implied. Exposure to absolute maximum
rating conditions for an extended period affects device reliability.
Table 16. Absolute Maximum Ratings
Crimzon® ZLR16300
Product Specification
71
Minimum
Parameter
Ambient temperature under bias0+70C
Storage temperature-65+150C
Voltage on any pin with respect to V
Voltage on V
Maximum current on input and/or inactive output pin-5+5mA
Maximum output current from active output pin-25+25mA
Maximum current into V
1
This voltage applies to all pins except VDD.
pin with respect to V
DD
or out of V
DD
SS
SS
SS
Stress
-0.3+4.0V1
-0.3+3.6V
Maximum
StressUnitsNotes
75mA
19-4622; Rev 0; 5/09Electrical Characteristics
Standard Test Conditions
From Output
Under Test
150 pF
The characteristics listed in this product specification apply for standard test conditions.
All voltages are referenced to GND. Positive current flows into the referenced pin (see
Figure 53).
Crimzon® ZLR16300
Product Specification
72
DC Characteristics
Table 17. DC Characteristics
Symbol ParameterV
V
CC
V
CH
V
CL
V
IH
V
IL
V
OH1
V
OH2
V
OL1
V
OL2
Supply Voltage2.0 V3.6VSee note 5
Clock Input High
2.0–3.6 V 0.8 V
Voltage
Clock Input Low
2.0–3.6 V VSS–0.30.5 VDriven by External
Voltage
Input High Voltage 2.0–3.6 V 0.7 V
Input Low Voltage2.0–3.6 V VSS–0.30.2 V
Output High
2.0–3.6 V VCC–0.4VIOH = –0.5 mA
Voltage
Output High
2.0–3.6 V VCC–0.8VIOH = –7 mA
Voltage (P36, P37,
P00, P01)
Output Low Voltage 2.0–3.6 V0.4VIOL = 4.0 mA
Output Low Voltage
2.0–3.6 V0.8VIOL = 10 mA
(P00, P01, P36,
P37)
Figure 53. Test Load Diagram
TA= 0 °C to +70 °C
CC
Minimum Typ(7) Maximum Units ConditionsNotes
CC
CC
VCC+0.3VDriven by External
VCC+0.3V
CC
Clock Generator
Clock Generator
V
19-4622; Rev 0; 5/09Electrical Characteristics
Table 17. DC Characteristics (Continued)
TA= 0 °C to +70 °C
Crimzon® ZLR16300
Product Specification
73
Symbol ParameterV
V
OFFSE
T
V
REF
Comparator Input
Offset Voltage
Comparator
Reference
CC
2.0–3.6 V25mV
2.0–3.6 V0V
Minimum Typ(7) Maximum Units ConditionsNotes
DD
V
-1.75
Voltage
I
IL
Input Leakage2.0–3.6 V–11AVIN = 0V, V
Pull-ups disabled
R
PU
Pull-up Resistance2.0 V225675kVIN = 0V; Pullups
3.6 V75275k
selected by mask
option
I
OL
I
CC
I
CC1
Output Leakage2.0–3.6 V–11AVIN = 0V, V
Supply Current2.0 V
3.6 V
Standby Current
(HALT Mode)
2.0 V
3.6 V
1.2
2.1
0.5
0.8
3
5
1.6
2.0
mA
mA
at 8.0 MHz
at 8.0 MHz
mAmAVIN = 0V, Clock at
8.0 MHz
Same as above
10
20
30
8
A
A
A
A
V
= 0 V, VCC
IN
WDT is not
Running
Same as above
V
= 0 V, VCC
IN
I
CC2
Standby Current
(STOP Mode)
2.0 V
3.6 V
2.0 V
3.6 V
1.2
1.4
3.5
6.5
WDT is Running
Same as above
I
LV
Standby Current
0.86AMeasured at 1.3 V4
(Low Voltage)
V
BO
V
LVD
VCC Low Voltage
Protection
Vcc Low-Voltage
1.82.0V8 MHz maximum
Ext. CLK Freq.
2.4V
Detection
V
HVD
Vcc High-Voltage
2.7V
Detection
Notes
1. All outputs unloaded, inputs at rail.
2. CL1 = CL2 = 100 pF.
3. Oscillator stopped.
4. Oscillator stops when V
5. It is strongly recommended to add a filter capacitor (minimum 0.1 F), physically close to VDD and V
operating voltage fluctuations are anticipated, such as those resulting from driving an IR LED.
6. Comparators and Timers are On. Interrupt disabled.
7. Typical values shown are at 25 °C.
falls below VBO limit.
CC
CC
CC
pins if
SS
1, 2
1, 2
1, 2, 6
1, 2, 6
3
3
3
3
19-4622; Rev 0; 5/09Electrical Characteristics
AC Characteristics
Clock
Stop Mode
Recovery
Source
Clock
Setup
1
22
3
3
T
IN
7
4
5
6
7
IRQ
N
8
9
11
10
Figure 54 and Table 18 on page 75 describe the alternating current (AC) characteristics.
Crimzon® ZLR16300
Product Specification
74
Figure 54. AC Timing Diagram
19-4622; Rev 0; 5/09Electrical Characteristics
Crimzon® ZLR16300
Product Specification
Table 18. AC Characteristics
TA=0 °C to +70 °C
8.0 MHz
No SymbolParameterV
CC
1 TpCInput Clock Period2.0–3.6121DCns1
MinimumMaximum Units Notes
75
Watchdog
Timer Mode
Register
(D1, D0)
2 TrC,TfCClock Input Rise and
2.0–3.625ns1
Fall Times
3 TwCInput Clock Width2.0–3.637ns1
4 TwTinLTimer Input
Note: TA = 25 °C, VCC = GND = 0 V, f = 1.0 MHz, unmeasured pins returned to GND.
19-4622; Rev 0; 5/09Electrical Characteristics
Packaging
Figure 55 through Figure 60 on page 84 display package information available for all the
Crimzon ZLR16300 device versions.
Crimzon® ZLR16300
Product Specification
79
Figure 55. 20-Pin DIP Package Diagram
19-4622; Rev 0; 5/09Packaging
Crimzon® ZLR16300
Product Specification
80
Figure 56. 20-Pin SOIC Package Diagram
19-4622; Rev 0; 5/09Packaging
Crimzon® ZLR16300
Product Specification
81
Figure 57. 20-Pin SSOP Package Diagram
19-4622; Rev 0; 5/09Packaging
Crimzon® ZLR16300
Product Specification
82
Figure 58. 28-Pin SOIC Package Diagram
19-4622; Rev 0; 5/09Packaging
Crimzon® ZLR16300
Product Specification
83
Figure 59. 28-Pin DIP Package Diagram
19-4622; Rev 0; 5/09Packaging
Crimzon® ZLR16300
SYMBOL
A
A1
B
C
A2
e
MILLIMETERINCH
MINMAXMINMAX
1.73
0.05
1.68
0.25
5.20
0.65 TYP
0.09
10.07
7.65
0.63
1.86
0.0256 TYP
0.13
10.20
1.73
7.80
5.30
1.99
0.21
1.78
0.75
0.068
0.002
0.066
0.010
0.205
0.004
0.397
0.301
0.025
0.073
0.005
0.068
0.209
0.006
0.402
0.307
0.030
0.078
0.008
0.070
0.015
0.212
0.008
0.407
0.311
0.037
0.38
0.20
10.33
5.38
7.90
0.95
NOMNOM
D
E
H
L
CONTROLLING DIMENSIONS: MM
LEADS ARE COPLANAR WITHIN .004 INCHES.
H
C
DET AIL A
E
D
2815
114
SEA TING PLANE
A2
e
A
Q1
A1
B
L
0 - 8
DET AIL 'A'
Note:
Product Specification
84
Figure 60. 28-Pin SSOP Package Diagram
Contact Maxim for the actual bonding diagram and chip-on-boa rd assembly.
19-4622; Rev 0; 5/09Packaging
Ordering Information
The Crimzon ZLR16300 is available for 16K, 8K, 4K, 2K, and 1K parts.
:
Memory SizePart NumberDescription
16KZLR16300H2816G28-pin SSOP 16 K ROM
ZLR16300P2816G28-pin PDIP 16 K ROM
ZLR16300S2816G28-pin SOIC 16 K ROM
ZLR16300H2016G20-pin SSOP 16 K ROM
ZLR16300P2016G20-pin PDIP 16 K ROM
ZLR16300S2016G20-pin SOIC 16 K ROM
8KZLR16300H2808G28-pin SSOP 8 K ROM
ZLR16300P2808G28-pin PDIP 8 K ROM
Crimzon® ZLR16300
Product Specification
85
ZLR16300S2808G28-pin SOIC 8 K ROM
ZLR16300H2008G20-pin SSOP 8 K ROM
ZLR16300P2008G20-pin PDIP 8 K ROM
ZLR16300S2008G20-pin SOIC 8 K ROM
4KZLR16300H2804G28-pin SSOP 4 K ROM
ZLR16300P2804G28-pin PDIP 4 K ROM
ZLR16300S2804G28-pin SOIC 4 K ROM
ZLR16300H2004G20-pin SSOP 4 K ROM
ZLR16300P2004G20-pin PDIP 4 K ROM
ZLR16300S2004G20-pin SOIC 4 K ROM
2KZLR16300H2802G28-pin SSOP 2 K ROM
ZLR16300P2802G28-pin PDIP 2 K ROM
ZLR16300S2802G28-pin SOIC 2 K ROM
ZLR16300H2002G20-pin SSOP 2 K ROM
ZLR16300P2002G20-pin PDIP 2 K ROM
ZLR16300S2002G20-pin SOIC 2 K ROM
1KZLR16300H2801G28-pin SSOP 1 K ROM
ZLR16300P2801G28-pin PDIP 1 K ROM
ZLR16300S2801G28-pin SOIC 1 K ROM
ZLR16300H2001G20-pin SSOP 1 K ROM
ZLR16300P2001G20-pin PDIP 1 K ROM
19-4622; Rev 0; 5/09Ordering Information
Memory SizePart NumberDescription
ZLR16300S2001G20-pin SOIC 1 K ROM
Development Tools
ZLP128ICE01ZEMG*In-Circuit Emulator
Note: *ZLP128ICE01ZEMG has been replaced by an im-
Development Kit
ZCRMZNICE01ZACG20-Pin Accessory Kit
ZCRMZNICE02ZACG40/48-Pin Accessory Kit
Note: Contact www.maxim-ic.com for the die form.
Crimzon® ZLR16300
Product Specification
86
For faster results, contact your local Maxim sales office for assistance in ordering the
part(s) required.
19-4622; Rev 0; 5/09Ordering Information
Part Number Description
Maxim part numbers consist of a number of components as shown below. For example,
part number ZLR16300H2816G is a Crimzon masked ROM product in a 28-pin SSOP
package, with 16 KB of ROM and built with lead-free solder.
port 0 (P07 - P00)
port 0 configuration
port 2 (P27 - P20)
port 2 (P37 - P30)
port 2 configuration
port 3 configuration
port 3 counter/timer configuration
XTAL1 (time-based input
XTAL2 (time-based output)
8
8910
9
10
38
configuration
pin function
configuration
pin function
configuration
counter/timer configuration
8
8
9
9
10
10
45
2
5
56
7
7983
7
12
81
82
84
12
Precharacterization Product
program memory
map
16
15
86
R
register 50
CTR0(0D)00h
CTR1 (0D) 01
CTR1(0D)01h
CTR2(0D)02h
68
flag
HI16(0D)09h
HI8(0D)0Bh
interrupt priority
interrupt request
interruptmask
L016(0D)08h
L08(0D)0Ah
LVD(D)0Ch
pointer
port 0 and 1
port 2 configuration
port 3 mode
port configuration
stack pointer high
stack pointer low
stop mode recovery
stop mode recovery 2
stop mode recovery
stop mode recovery 2
T16 control
T8 and T16 common control functions
TC16H(0D)07h
TC16L(0D)06h
TC8 control
TC8H(0D)05h
TC8L(0D)04h
TC8L(D)04h
voltage detection
watch-dog timer
register description
counter/timer2 LS-Byte hold
counter/timer2 MS-Byte hold
68
23242427
22
21
66
67
67
22
22
54
65
64
65
45, 64
69
69
46
49
62
63
59
22
22
55
23
23
23
60
64
22
58
22
19-4622; Rev 0; 5/09Index
Crimzon® ZLR16300
Product Specification
91
counter/timer8 control 23
counter/timer8 High hold
counter/timer8 Low hold
CTR2 counter/timer 16 control
T16_capture_LO
T8 and T16 common functions
T8_Capture_HI
T8_capture_LO
timing diagram, AC
transmit mode flowchart
transmit_submode/glitch filter
28
24
counter/timer2 LS-byte hold
counter/timer2 MS-byte hold
counter/timer8 high hold
counter/timer8 low hold
CTR0 counter/timer8 control
T16_Capture_HI
T16_Capture_LO
T8_Capture_HI
T8_Capture_LO
72
22
22
23
23
23
22
22
21
22
75
31
26
V
VCC 5
voltage
brown-out/standby
detection and flags
voltage detection register
5455
60
W
watchdog timer
mode register watchdog timer mode register
time select