Datasheet SAB-C515-1R24M, SAB-C515-1RM, SAB-C515-L24M, SAB-C515-LM, SAF-C515-1R24M Datasheet (Siemens)

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Page 1
Microcomputer Components
8-Bit CMOS Microcontroller
C515
Data Sheet 08.97
Page 2
C515 Data Sheet Revision History: Current Version: 1997-08-01
Previous Version: none (Original Version) Page
(in previous Version)
Page (in current Version)
Subjects (major changes since last revision)
Bereich Halbleiter, Marketing­Kommunikation, Balanstraße 73, 81541 München
©
Siemens AG 1997.
All Rights Reserved.
Attention please!
As far as patents or other rights of third parties are concerned, liability is only assumed for components, not for applications, processes and circuits implemented within components or assemblies.
The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. For questions on technology, delivery and prices please contact the Semiconductor Group Offices in Germany or the Siemens Companies
and Representatives worldwide (see address list). Due to technical requirements components may contain dangerous substances. For information on the types in question please contact
your nearest Siemens Office, Semiconductor Group. Siemens AG is an approved CECC manufacturer.
Packing
Please use the recycling operators known to you. We can also help you – get in touch with your nearest sales office. By agreement we will take packing material back, if it is sorted. You must bear the costs of transport.
For packing material that is returned to us unsorted or which we are not obliged to accept, we shall have to invoice you for any costs in­curred.
Components used in life-support devices or systems must be expressly authorized for such purpose!
Critical components written approval of the Semiconductor Group of Siemens AG.
1 A critical component is a component used in a life-support device or system whose failure can reasonably be expected to cause the
failure of that life-support device or system, or to affect its safety or effectiveness of that device or system.
2 Life support devices or systems are intended (a) to be implanted in the human body, or (b) to support and/or maintain and sustain hu-
man life. If they fail, it is reasonable to assume that the health of the user may be endangered.
1
of the Semiconductor Group of Siemens AG, may only be used in life-support devices or systems
2
with the express
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8-Bit CMOS Microcontroller
Advance Information
Data Sheet
Full upward compatibility with SAB 80C515
Up to 24 MHz external operating frequency
– 500ns instruction cycle at 24 MHz operation 8K byte on-chip ROM (with optional ROM protection)
– alternatively up to 64K byte external program memory Up to 64K byte external data memory
256 byte on-chip RAM
Six 8-bit parallel I/O ports
One input port for analog/digital input
Full duplex serial interface (USART)
– 4 operating modes, fixed or variable baud rates Three 16-bit timer/counters
– Timer 0 / 1 (C501 compatible) – Timer 2 for 16-bit reload, compare, or capture functions
C515
(more features on next page)
Power Saving Modes
8-Bit
A/D
Converter
On-Chip Emulation Support Module
Digital
Input
Watchdog
Port6Port 5 Port 4
I/O I/OAnalog/
Timer
T2
T0
T1
RAM
256 x 8
CPU
ROM
K8x8
USART
Port 0
Port 1
Port 2
Port 3
I/O
I/O
I/O
I/O
MCA03198
Figure 1 C515 Functional Units
Semiconductor Group 3 1997-08-01
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Features (cont’d):
8-bit A/D converter – 8 multiplexed analog inputs – Programmable reference voltages
16-bit watchdog timer
Power saving modes – Idle mode – Slow down mode (can be combined with idle mode) – Software power-down mode
12 interrupt sources (7 external, 5 internal) selectable at four priority levels
On-chip emulation support logic (Enhanced Hooks Technology
ALE switch-off capability
P-MQFP-80-1 package
Temperature Ranges : SAB-C515
SAF-C515 SAH-C515
T
= 0 to 70 ° C
A
T
= -40 to 85 ° C
A
T
= -40 to 110 ° C (max. operating frequency: 16 MHz)
A
TM
)
C515
The C515 is an upward compatible version of the SAB 80C515A 8-bit microcontroller which additionally provides ALE switch-off capability, on-chip emulation support, ROM protection, and slow down mode capability. With a maximum external clock rate of 24 MHz it achieves a 500 ns instruction cycle time (1
Ordering Information Type Ordering Code Package Description
SAB-C515-1RM SAB-C515-1R24M
SAF-C515-1RM Q67127-DXXXX P-MQFP-80-1 with mask programmable ROM (16 MHz)
SAF-C515-1R24M Q67127-DXXXX P-MQFP-80-1 with mask programmable ROM (24 MHz)
SAB-C515-LM SAB-C515-L24M
SAF-C515-LM Q67127-C1031 P-MQFP-80-1 for external memory (16 MHz)
µ
s at 12 MHz). The C515 is mounted in a P-MQFP-80 package.
(8-Bit CMOS microcontroller)
Q67127-DXXXX Q67127-DXXXX
Q67127-C1030 Q67127-C1032
P-MQFP-80-1 P-MQFP-80-1
P-MQFP-80-1 P-MQFP-80-1
with mask programmable ROM (16 MHz) with mask programmable ROM (24 MHz)
ext. temp. – 40 ˚C to 85 ˚C
ext. temp. – 40 ˚C to 85 ˚C for external memory (16 MHz)
for external memory (24 MHz
ext. temp. – 40 ˚C to 85 ˚C
SAF-C515-L24M Q67127-C1081 P-MQFP-80-1 for external memory (24 MHz)
ext. temp. – 40 ˚C to 85 ˚C
Note: Versions for extended temperature ranges – 40 ˚C to 110 ˚C (SAH-C515C-LM and SAH-
C515-1RM) are available on request. The ordering number of ROM types (DXXXX extensions) is defined after program release (verification) of the customer.
Semiconductor Group 4 1997-08-01
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C515
XTAL1 XTAL2
ALE PSEN EA
RESET PE
V
AREF
V
AGND
V
C515
V
SSCC
Port 0 8 Bit Digital I/O
1Port
8 Bit Digital I/O Port 2
8 Bit Digital I/O Port 3
8 Bit Digital I/O
4Port
8 Bit Digital I/O Port 5
8 Bit Digital I/O
6Port 8 Bit Analog/ Digital Input
MCL03199
Figure 2 Logic Symbol
Additional Literature
For further information about the C515 the following literature is available:
Title Ordering Number
C515 8-Bit CMOS Microcontroller User’s Manual B158-H7049-X-X-7600 C500 Microcontroller Family
B158-H6987-X-X-7600
Architecture and Instruction Set User’s Manual C500 Microcontroller Family - Pocket Guide B158-H6986-X-X-7600
Semiconductor Group 5 1997-08-01
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P0.7/AD7
P0.6/AD6
P5.7
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0EAALE
N.C.
N.C.
PSEN
N.C.
P2.7/A15
P2.6/A14
P2.5/A13
P2.4/A12
P2.3/A11
4142434445464748495051525354555657585960
C515
P5.6 P5.5 P5.4 P5.3 P5.2 P5.1 P5.0 N.C.
V
CC
N.C. N.C. P4.0
P4.1
P4.2
PE P4.3 P4.4 P4.5 P4.6 P4.7
62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
12
345
4061 39 38 37 36 35 34 33 32
C515
31 30 29 28 27 26 25 24 23 22 21
6
7
8
9
10
11
12
13 14 15
16
17
18
19
20
P2.2/A10 P2.1/A9 P2.0/A8 XTAL1 XTAL2 N.C.
V
SS
V
CC
N.C. P1.0/INT3/CC0 P1.1/INT4/CC1 P1.2/INT5/CC2 P1.3/INT6/CC3 P1.4/INT2 P1.5/T2EX P1.6/CLKOUT P1.7/T2 N.C. P3.7/RD P3.6/WR
AREF
N.C.
V
RESET
AGND
V
P6.7/AIN7
P6.5/AIN5
P6.6/AIN6
P6.3/AIN3
P6.4/AIN4
P6.2/AIN2
N.C.
N.C.
P6.0/AIN0
P6.1/AIN1
P3.1/TXD
P3.0/RXD
Figure 3 C515 Pin Configuration (P-MQFP-80 Package, Top View)
P3.4/T0
P3.2/INT0
P3.5/T1
P3.3/INT1
MCP03200
Semiconductor Group 6 1997-08-01
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Table 1 Pin Definitions and Functions
C515
Symbol Pin Number
(P-MQFP-80)
RESET
1I
VAREF 3 – VAGND 4 – P6.0-P6.7 12-5 I
*) I = Input
O = Output
I/O*) Function
RESET
A low level on this pin for the duration of two machine cycles while the oscillator is running resets the C515. A small internal pullup resistor permits power-on reset using only a capacitor connected to V
Reference voltage for the A/D converter Reference ground for the A/D converter Port 6
is an 8-bit unidirectional input port to the A/D converter. Port pins can be used for digital input, if voltage levels simultaneously meet the specifications for high/low input voltages and for the eight multiplexed analog inputs.
SS
.
Semiconductor Group 7 1997-08-01
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Table 1 Pin Definitions and Functions (cont’d)
C515
Symbol Pin Number
(P-MQFP-80)
P3.0-P3.7 15-22
15
16
17
18
19 20 21
22
I/O*) Function
I/O Port 3
is an 8-bit quasi-bidirectional I/O port with internal pullup resistors. Port 3 pins that have 1's written to them are pulled high by the internal pullup resistors, and in that state can be used as inputs. As inputs, port 3 pins being externally pulled low will source current ( I characteristics) because of the internal pullup resistors. Port 3 also contains the interrupt, timer, serial port and external memory strobe pins that are used by various options. The output latch corresponding to a secondary function must be programmed to a one (1) for that function to operate. The secondary functions are assigned to the pins of port 3 as follows: P3.0 / RxD Receiver data input (asynch.) or data
P3.1 / TxD Transmitter data output (asynch.) or
P3.2 / INT0
P3.3 / INT1 External interrupt 1 input /
P3.4 / T0 Timer 0 counter input P3.5 / T1 Timer 1 counter input P3.6 / WR
P3.7 / RD RD control output; enables the
, in the DC
IL
input/output (synch.) of serial interface
clock output (synch.) of serial interface External interrupt 0 input / timer 0 gate control input
timer 1 gate control input
WR control output; latches the data byte from port 0 into the external data memory
external data memory
*) I = Input
O = Output
Semiconductor Group 8 1997-08-01
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Table 1 Pin Definitions and Functions (cont’d)
C515
Symbol Pin Number
(P-MQFP-80)
P1.0 - P1.7 31-24
31
30
29
28
27 26
25 24
I/O*) Function
I/O Port 1
is an 8-bit quasi-bidirectional I/O port with internal pullup resistors. Port 1 pins that have 1's written to them are pulled high by the internal pullup resistors, and in that state can be used as inputs. As inputs, port 1 pins being externally pulled low will source current ( I characteristics) because of the internal pullup resistors. The port is used for the low-order address byte during program verification. Port 1 also contains the interrupt, timer, clock, capture and compare pins that are used by various options. The output latch corresponding to a secondary function must be programmed to a one (1) for that function to operate (except when used for the compare functions). The secondary functions are assigned to the port 1 pins as follows : P1.0 / INT3 /
P1.1 / INT4 /CC1 Interrupt 4 input /
P1.2 / INT5 /CC2 Interrupt 5 input /
P1.3 / INT6 /CC3 Interrupt 6 input /
P1.4 / INT2 P1.5 / T2EX Timer 2 external reload /
P1.6 / CLKOUT System clock output P1.7 / T2 Counter 2 input
CC0 Interrupt 3 input /
compare 0 output / capture 0 input
compare 1 output / capture 1 input
compare 2 output / capture 2 input
compare 3 output / capture 3 input Interrupt 2 input
trigger input
, in the DC
IL
V
SS
V
CC
34 – 33, 69
Ground (0 V) Supply voltage
during normal, idle, and power-down operation.
*) I = Input
O = Output
Semiconductor Group 9 1997-08-01
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Table 1 Pin Definitions and Functions (cont’d)
C515
Symbol Pin Number
(P-MQFP-80)
XTAL2 36
XTAL1 37 XTAL1
P2.0-P2.7 38-45 I/O Port 2
I/O*) Function
XTAL2
Input to the inverting oscillator amplifier and input to the internal clock generator circuits. To drive the device from an external clock source, XTAL2 should be driven, while XTAL1 is left unconnected. times as well as rise/fall times specified in the AC characteristics must be observed.
Output of the inverting oscillator amplifier.
is an 8-bit quasi-bidirectional I/O port with internal pullup resistors. Port 2 pins that have 1's written to them are pulled high by the internal pullup resistors, and in that state can be used as inputs. As inputs, port 2 pins being externally pulled low will source current (I characteristics) because of the internal pullup resistors. Port 2 emits the high-order address byte during fetches from external program memory and during accesses to external data memory that use 16-bit addresses (MOVX @DPTR). In this application it uses strong internal pullup resistors when issuing 1's. During accesses to external data memory that use 8-bit addresses (MOVX @Ri), port 2 issues the contents of the P2 special function register.
Minimum and maximum high and low
, in the DC
IL
PSEN
ALE 48 O The Address Latch enable
*) I = Input
O = Output
Semiconductor Group 10 1997-08-01
47 O The Program Store Enable
output is a control signal that enables the external program memory to the bus during external fetch operations. It is activated every six oscillator periods, except during external data memory accesses. The signal remains high during internal program execution.
output is used for latching the address into external memory during normal operation. It is activated every six oscillator periods, except during an external data memory access.
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Table 1 Pin Definitions and Functions (cont’d)
C515
Symbol Pin Number
I/O*) Function
(P-MQFP-80)
EA 49 I External Access Enable
When held high, the C515 executes instructions from the internal ROM (C515-1R) as long as the program counter is less than 2000H. When held low, the C515 fetches all instructions from ext. program memory. For the C515-L this pin must be tied low.
P0.0-P0.7 52-59 I/O Port 0
is an 8-bit open-drain bidirectional I/O port. Port 0 pins that have 1's written to them float, and in that state can be used as high-impedance inputs. Port 0 is also the multiplexed low-order address and data bus during accesses to external program and data memory. In this application it uses strong internal pullup resistors when issuing 1's. Port 0 also outputs the code bytes during program verification in the C515-1R. External pullup resistors are required during program verification.
P5.ß-P5.7 67-60 I/O Port 5
is an 8-bit quasi-bidirectional I/O port with internal pullup resistors. Port 5 pins that have 1's written to them are pulled high by the internal pullup resistors, and in that state can be used as inputs. As inputs, port 5 pins being externally pulled low will source current (I characteristics) because of the internal pullup resistors.
, in the DC
IL
P4.0-P4.7 72-74,
76-80
I/O Port 4
is an 8-bit quasi-bidirectional I/O port with internal pull­up resistors. Port 4 pins that have 1’s written to them are pulled high by the internal pull-up resistors, and in that state can be used as inputs. As inputs, port 4 pins being externally pulled low will source current (I
, in the DC
IL
characteristics) because of the internal pull-up resistors.
PE
75 I Power saving mode enable
A low level on this pin allows the software to enter the power saving modes (idle mode and power down mode). When PE is held at high level it is impossible to enter the power saving modes. When left unconnected this pin is pulled high by a weak internal pull-up resistor.
*) I = Input
O = Output
Semiconductor Group 11 1997-08-01
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Table 1 Pin Definitions and Functions (cont’d)
C515
Symbol Pin Number
(P-MQFP-80)
N.C. 2, 13, 14, 23,
32, 35, 46, 50, 51, 68, 70, 71
*) I = Input
O = Output
I/O*) Function
Not connected
These pins of the P-MQFP-80 package must not be connected.
Semiconductor Group 12 1997-08-01
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XTAL1 XTAL2
ALE
C515
OSC & Timing
RAM ROM
256 x 8
8K x 8
C515
PSEN EA PE RESET
V
AREF
V
AGND
CPU
Programmable
Watchdog Timer
Timer 0
Timer 1
Timer 2
USART
Baud Rate Generator
Interrupt Unit
Programmable
Reference Voltages
8-Bit
A/D Converter
Emulation
Support
Logic
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 0 8 Bit Digital I/O
Port 1 8 Bit Digital I/O
Port 2 8 Bit Digital I/O
Port 3 8 Bit Digital I/O
Port 4 8 Bit Digital I/O
Port 5 8 Bit Digital I/O
Port 6
S & H
Analog
MUX
Port 6
MCB03201
8 Bit Digital I/O
Digital Input
Figure 4 Block Diagram of the C515C
Semiconductor Group 13 1997-08-01
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C515
CPU
The C515 is efficient both as a controller and as an arithmetic processor. It has extensive facilities for binary and BCD arithmetic and excels in its bit-handling capabilities. Efficient use of program memory results from an instruction set consisting of 44 % one-byte, 41 % two-byte, and 15% three­byte instructions. With a 6 MHz crystal, 58% of the instructions are executed in 1.0µs (10 MHz: 600).
Special Function Register PSW (Address D0H) Reset Value : 00H
Bit No. MSB LSB
H
D7
CY AC
H
D6
H
D5
F0
H
D4
RS1 RS0 OV F1 PD0
Bit Function
CY Carry Flag
Used by arithmetic instruction.
AC Auxiliary Carry Flag
Used by instructions which execute BCD operations. F0 General Purpose Flag RS1
RS0
Register Bank select control bits
These bits are used to select one of the four register banks.
RS1 RS0 Function
0 0 Bank 0 selected, data address 00H-07 0 1 Bank 1 selected, data address 08H-0F 1 0 Bank 2 selected, data address 10H-17 1 1 Bank 3 selected, data address 18H-1F
H
D3
H
D2
H
D1
H
D0
H
PSW
H
H
H
H
OV Overflow Flag
Used by arithmetic instruction. F1 General Purpose Flag P Parity Flag
Set/cleared by hardware after each instruction to indicate an odd/even
number of "one" bits in the accumulator, i.e. even parity.
Semiconductor Group 14 1997-08-01
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Memory Organization
The C515 CPU manipulates data and operands in the following four address spaces:
– up to 64 Kbyte of internal/external program memory – up to 64 Kbyte of external data memory – 256 bytes of internal data memory – a 128 byte special function register area
Figure 5 illustrates the memory address spaces of the C515.
C515
External
Internal
"Code Space"
FFFF
2000
External (EA = 0)1)=(EA
H
H
1FFF
0000
FFFF
H
External
Indirect
Address
FF
H
Internal
RAM
80
H
H
0000
H
"Data Space" "Internal Data Space"
H
Internal
RAM
Direct
Address
Special
Function
Register
7F
H
00
H
FF
H
80
H
MCD03202
Figure 5 C515 Memory Map
Semiconductor Group 15 1997-08-01
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C515
Reset and System Clock
The reset input is an active low input at pin RESET. Since the reset is synchronized internally, the RESET pin must be held low for at least two machine cycles (24 oscillator periods) while the oscillator is running. A pullup resistor is internally connected to VCC to allow a power-up reset with an external capacitor only. An automatic reset can be obtained when VCC is applied by connecting the RESET pin to VSS via a capacitor. Figure 6 shows the possible reset circuitries.
b)a)
&
+
Figure 6 Reset Circuitries
RESET
C515
RESET
C515
c)
+
RESET
C515
MCS03203
Semiconductor Group 16 1997-08-01
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C515
Figure 7 shows the recommended oscillator circuitries for crystal and external clock operation.
Crystal Oscillator Mode Driving from External Source
C
XTAL1
1-24 MHz
C
XTAL2 XTAL2
C
Crystal Mode :
= 20 pF±10 pF (incl. stray capacitance)
Figure 7 Recommended Oscillator Circuitries
N.C.
External Oscillator Signal
XTAL1
MCS03204
Semiconductor Group 17 1997-08-01
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C515
Enhanced Hooks Emulation Concept
The Enhanced Hooks Emulation Concept of the C500 microcontroller family is a new, innovative way to control the execution of C500 MCUs and to gain extensive information on the internal operation of the controllers. Emulation of on-chip ROM based programs is possible, too.
Each production chip has built-in logic for the support of the Enhanced Hooks Emulation Concept. Therefore, no costly bond-out chips are necessary for emulation. This also ensure that emulation and production chips are identical.
1)
The Enhanced Hooks Technology together with an EH-IC to function similar to a bond-out chip. This simplifies the design and reduces costs of an ICE-system. ICE-systems using an EH-IC and a compatible C500 are able to emulate all operating modes of the different versions of the C500 microcontrollers. This includes emulation of ROM, ROM with code rollover and ROMless modes of operation. It is also able to operate in single step mode and to read the SFRs after a break.
TM
, which requires embedded logic in the C500 allows the C500
SYSCON
PCON TCON
Optional I/O Ports
ICE-System Interface
to Emulation Hardware
RESET
EA
ALE
PSEN
C500
0
MCU Interface Circuit
Port 3 Port 1
Port Port
2
Target System Interface
RSYSCON
RPCON RTCON
Enhanced Hooks
RPort 0RPort 2
EH-IC
TEA TALE TPSEN
MCS03280
Figure 8 Basic C500 MCU Enhanced Hooks Concept Configuration
Port 0, port 2 and some of the control lines of the C500 based MCU are used by Enhanced Hooks Emulation Concept to control the operation of the device during emulation and to transfer informations about the programm execution and data transfer between the external emulation hardware (ICE-system) and the C500 MCU.
1 “Enhanced Hooks Technology“ is a trademark and patent of Metalink Corporation licensed to Siemens.
Semiconductor Group 18 1997-08-01
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C515
Special Function Registers
The registers, except the program counter and the four general purpose register banks, reside in the special function register area.
The 59 special function registers (SFRs) include pointers and registers that provide an interface between the CPU and the other on-chip peripherals. All SFRs with addresses where address bits 0­2 are 0 (e.g. 80H, 88H, 90H, 98H, ..., F8H, FFH) are bitaddressable.
The SFRs of the C515 are listed in table 2 and table 3. In table 2 they are organized in groups which refer to the functional blocks of the C515. Table 3 illustrates the contents of the SFRs in numeric order of their addresses.
Semiconductor Group 19 1997-08-01
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C515
Table 2 Special Function Registers - Functional Blocks
Block Symbol Name Address Contents after
Reset
CPU ACC
B DPH DPL PSW SP SYSCON
A/D­Converter
ADCON ADDAT DAPR
Interrupt System
IEN0 IEN1
2)
IP0
2)
2)
IP1 IRCON TCON T2CON
2)
Timer 0/ Timer 1
SCON TCON
TH0 TH1 TL0 TL1 TMOD
Compare/ Capture Unit / Timer 2
CCEN CCH1 CCH2 CCH3 CCL1 CCL2 CCL3 CRCH CRCL TH2 TL2 T2CON
1) Bit-addressable special function registers
2) This special function register is listed repeatedly since some bits of it also belong to other functional blocks.
3) “X“ means that the value is undefined and the location is reserved
Accumulator B-Register Data Pointer, High Byte Data Pointer, Low Byte Program Status Word Register Stack Pointer System Control Register
2)
A/D Converter Control Register A/D Converter Data Register A/D Converter Program Register
Interrupt Enable Register 0 Interrupt Enable Register 1 Interrupt Priority Register 0 Interrupt Priority Register 1 Interrupt Request Control Register
2)
Timer Control Register
2)
Timer 2 Control Register Serial Channel Control Register
2)
Timer 0/1 Control Register Timer 0, High Byte Timer 1, High Byte Timer 0, Low Byte Timer 1, Low Byte Timer Mode Register
Comp./Capture Enable Reg. Comp./Capture Reg. 1, High Byte Comp./Capture Reg. 2, High Byte Comp./Capture Reg. 3, High Byte Comp./Capture Reg. 1, Low Byte Comp./Capture Reg. 2, Low Byte Comp./Capture Reg. 3, Low Byte Com./Rel./Capt. Reg. High Byte Com./Rel./Capt. Reg. Low Byte Timer 2, High Byte Timer 2, Low Byte
2)
Timer 2 Control Register
E0 F0
83 82
D0
81 B1
D8
D9 DA
A8 B8
A9 B9
C0 88 C8 98
88
8C 8D 8A 8B 89
C1 C3 C5 C7 C2 C4 C6 CB CA CD CC
C8
H H
H
H
H H
H
H
H
H
H
H
H
H
H H
H H
H
H
H H H H
H H H H H H H
H H H H
H
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
4)
00
H
00
H
00
H
00
H
00
H
07
H
XX1X XXXX 00X0 0000
00
H
00
H
00
H
00
H
X000 0000 XX00 0000 00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
B
3)
B
3)
B
3)
B
3)
Semiconductor Group 20 1997-08-01
Page 21
C515
Table 2 Special Function Registers - Functional Blocks (cont’d)
Block Symbol Name Address Contents after
Reset
Ports P0
P1 P2 P3 P4 P5 P6
Serial Channel
ADCON PCON SBUF SCON
Watchdog IEN0
IEN1
2))
IP0
Power
PCON Saving Modes
Port 0 Port 1 Port 2 Port 3 Port 4 Port 5 Port 6, Analog/Digital Input
2)
A/D Converter Control Register
2)
Power Control Register Serial Channel Buffer Register
2)
Serial Channel Control Register
2)
2)
Interrupt Enable Register 0 Interrupt Enable Register 1 Interrupt Priority Register 0
2)
Power Control Register 87
80 90 A0 B0 E8 F8
DB
D8
87 99
98 A8
B8
A9
H H
H H
H
H
H
H H H
H
H H
H
1)
1)
1) 1
1)
1)
H
1
1)
1)
1)
FF
H
FF
H
FF
H
FF
H
FF
H
FF
H
– 00X0 0000
00
H
3)
XX
H
00
H
00
H
00
H
X000 0000 00
H
3)
B
3))
B
1) Bit-addressable special function registers
2) This special function register is listed repeatedly since some bits of it also belong to other functional blocks.
3) “X“ means that the value is undefined and the location is reserved
Semiconductor Group 21 1997-08-01
Page 22
Table 3 Contents of the SFRs, SFRs in numeric order of their addresses
C515
Addr Register Content
after Reset
2)
80 81 82 83 87 88 89
P0 FF
H
SP 07
H
DPL 00
H
DPH 00
H
PCON 00
H
2)
TCON 00
H
TMOD 00
H
8AHTL0 00 8BHTL1 00 8CHTH0 00 8DHTH1 00
2)
90
98 99 A0 A8
P1 FF
H
2)
SCON 00
H
SBUF XX
H
2)
P2 FF
H
2)
IEN0 00
H
1)
H H H H H H H H H H H
H
H
H
H H
A9HIP0 X000-
0000
B
2)
B0
P3 FF
H
H
B1HSYSCON XX1X-
B8
2)
IEN1 00
H
XXXX
B
H
B9HIP1 XX00-
0000
B
2)
C0 C1HCCEN 00
IRCON 00
H
H H
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
.7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 SMOD PDS IDLS SD GF1 GF0 PDE IDLE TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0 GATE C/T
M1 M0 GATE C/T M1 M0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 T2 CLK-
T2EX INT2 INT6 INT5 INT4 INT3
OUT SM0 SM1 SM2 REN TB8 RB8 TI RI .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 EAL WDT ET2 ES ET1 EX1 ET0 EX0 – WDTS .5 .4 .3 .2 .1 .0
RD WR T1 T0 INT1 INT0 TxD RxD – EALE –––––
EXEN2 SWDT EX6 EX5 EX4 EX3 EX2 EADC – – .5.4.3.2.1.0
EXF2 TF2 IEX6 IEX5 IEX4 IEX3 IEX2 IADC COCAH3COCAL3COCAH2COCAL2COCAH1COCAL1COCAH0COCAL
0
C2HCCL1 00
1) X means that the value is undefined and the location is reserved
2) Bit-addressable special function registers
H
.7 .6 .5 .4 .3 .2 .1 .0
Semiconductor Group 22 1997-08-01
Page 23
Table 3 Contents of the SFRs, SFRs in numeric order of their addresses (cont’d)
C515
Addr Register Content
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
after
H H H H H H H H H H H
H H
1)
.7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 T2PS I3FR I2FR T2R1 T2R0 T2CM T2I1 T2I0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 CY AC F0 RS1 RS0 OV F1 P BD CLK BSY ADM MX2 MX1 MX0
B
.7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0
Reset
C3HCCH1 00 C4HCCL2 00 C5HCCH2 00 C6HCCL3 00 C7HCCH3 00
2)
C8
T2CON 00
H
CAHCRCL 00 CBHCRCH 00 CCHTL2 00 CDHTH2 00
2)
D0 D8
PSW 00
H
2)
ADCON 00X0-
H
0000 D9HADDAT 00 DAHDAPR 00 DBHP6 – .7.6.5.4.3.2.1.0
2)
E0 E8 F0 F8
1) X means that the value is undefined and the location is reserved
2) Bit-addressable special function registers
ACC 00
H
2)
P4 FF
H
2)
B 00
H
2)
P5 FF
H
H
H
H
H
.7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0 .7 .6 .5 .4 .3 .2 .1 .0
Semiconductor Group 23 1997-08-01
Page 24
C515
Digital I/O Ports
The C515 allows for digital I/O on 48 lines grouped into 6 bidirectional 8-bit ports. Each port bit consists of a latch, an output driver and an input buffer. Read and write accesses to the I/O ports P0 through P5 are performed via their corresponding special function registers P0 to P5.
The output drivers of port 0 and 2 and the input buffers of port 0 are also used for accessing external memory. In this application, port 0 outputs the low byte of the external memory address, time­multiplexed with the byte being written or read. Port 2 outputs the high byte of the external memory address when the address is 16 bits wide. Otherwise, the port 2 pins continue emitting the P2 SFR contents.
Analog Input Ports
Ports 6 is available as input port only and provides two functions. When used as digital inputs, the corresponding SFR P6 contains the digital value applied to the port 6 lines. When used for analog inputs the desired analog channel is selected by a three-bit field in SFR ADCON. Of course, it makes no sense to output a value to these input-only ports by writing to the SFR P6. This will have no effect.
lf a digital value is to be read, the voltage levels are to be held within the input voltage specifications (VIL/VIH). Since P6 is not bit-addressable, all input lines of P6 are read at the same time by byte instructions.
Nevertheless, it is possible to use port 6 simultaneously for analog and digital input. However, care must be taken that all bits of P6 that have an undetermined value caused by their analog function are masked.
Semiconductor Group 24 1997-08-01
Page 25
Timer / Counter 0 and 1 Timer/Counter 0 and 1 can be used in four operating modes as listed in table 4 : Table 4
Timer/Counter 0 and 1 Operating Modes Mode Description TMOD Input Clock
M1 M0 internal external (max)
C515
0 8-bit timer/counter with a
00
f
/12x32 f
OSC
OSC
/24x32
divide-by-32 prescaler 1 16-bit timer/counter 1 1 2 8-bit timer/counter with
10
8-bit autoreload 3 Timer/counter 0 used as one
11
/12 f
OSC
OSC
/24
f
8-bit timer/counter and one
8-bit timer
Timer 1 stops
In the “timer” function (C/T = ‘0’) the register is incremented every machine cycle. Therefore the count rate is f
OSC
/12.
In the “counter” function the register is incremented in response to a 1-to-0 transition at its corresponding external input pin (P3.4/T0, P3.5/T1). Since it takes two machine cycles to detect a falling edge the max. count rate is f
/24. External inputs INT0 and INT1 (P3.2, P3.3) can be
OSC
programmed to function as a gate to facilitate pulse width measurements. Figure 9 illustrates the input clock logic.
f
/12
OSC
Timer 0/1 Input Clock
P3.4/T0 P3.5/T1 max
P3.2/INT0 P3.3/INT1
f
OSC
/24
f
OSC
TR 0/1 TCON
Gate
TMOD
=1
÷
12
C/T
TMOD
0
1
Control
&
_
<
1
MCS01768
Figure 9 Timer/Counter 0 and 1 Input Clock Logic
Semiconductor Group 25 1997-08-01
Page 26
C515
Timer/Counter 2 with Compare/Capture/Reload
The timer 2 of the C515 provides additional compare/capture/reload features. which allow the selection of the following operating modes:
– Compare : up to 4 PWM signals with 16-bit/500 ns resolution – Capture : up to 4 high speed capture inputs with 500 ns resolution – Reload : modulation of timer 2 cycle time
The block diagram in figure 10 shows the general configuration of timer 2 with the additional compare/capture/reload registers. The I/O pins which can used for timer 2 control are located as multifunctional port functions at port 1.
P1.5/ T2EX
P1.7/ T2
OSC
Sync.
T2I0
T2I1
Sync.
&
12
÷ 12
f
OSC
÷ 24
T2PS
24
Bit16 16 Bit 16 Bit 16 Bit
Comparator
Comparator
Comparator
EXEN2
Reload
EXF2
Reload
Timer 2
TH2TL2
Compare
Comparator
Capture
_
<
1
TF2
Input/
Output
Control
Interrupt Request
P1.0/ INT3/ CC0
P1.1/ INT4/ CC1
P1.2/ INT5/ CC2
P1.2/ INT6/
CCL3/CCH3
CCL2/CCH2
CCL1/CCH1
CRCL/CRCH
CC3
MCB03205
Figure 10 Timer 2 Block Diagram
Semiconductor Group 26 1997-08-01
Page 27
C515
Timer 2 Operating Modes
The timer 2, which is a 16-bit-wide register, can operate as timer, event counter, or gated timer. A roll-over of the count value in TL2/TH2 from all 1’s to all 0’s sets the timer overflow flag TF2 in SFR IRCON, which can generate an interrupt. The bits in register T2CON are used to control the timer 2 operation.
Timer Mode: In timer function, the count rate is derived from the oscillator frequency. A prescaler offers the possibility of selecting a count rate of 1/12 or 1/24 of the oscillator frequency.
Gated Timer Mode: In gated timer function, the external input pin T2 (P1.7) functions as a gate to the input of timer 2. lf T2 is high, the internal clock input is gated to the timer. T2 = 0 stops the counting procedure. This facilitates pulse width measurements. The external gate signal is sampled once every machine cycle.
Event Counter Mode: In the event counter function. the timer 2 is incremented in response to a 1­to-0 transition at its corresponding external input pin T2 (P1.7). In this function, the external input is sampled every machine cycle. Since it takes two machine cycles (24 oscillator periods) to recognize a 1-to-0 transition, the maximum count rate is 1/24 of the oscillator frequency. There are no restrictions on the duty cycle of the external input signal, but to ensure that a given level is sampled at least once before it changes, it must be held for at least one full machine cycle.
Reload of Timer 2: Two reload modes are selectable: In mode 0, when timer 2 rolls over from all 1’s to all 0’s, it not only sets TF2 but also causes the timer 2 registers to be loaded with the 16-bit value in the CRC register, which is preset by software. In mode 1, a 16-bit reload from the CRC register is caused by a negative transition at the correspon­ding input pin P1.5/T2EX. This transition will also set flag EXF2 if bit EXEN2 in SFR IEN1 has been set.
Semiconductor Group 27 1997-08-01
Page 28
C515
Timer 2 Compare Modes
The compare function of a timer/register combination operates as follows : the 16-bit value stored in a compare or compare/capture register is compared with the contents of the timer register; if the count value in the timer register matches the stored value, an appropriate output signal is generated at a corresponding port pin and an interrupt can be generated.
Compare Mode 0 In compare mode 0, upon matching the timer and compare register contents, the output signal
changes from low to high. lt goes back to a low level on timer overflow. As long as compare mode 0 is enabled, the appropriate output pin is controlled by the timer circuit only and writing to the port will have no effect. Figure 11 shows a functional diagram of a port circuit when used in compare mode 0. The port latch is directly controlled by the timer overflow and compare match signals. The input line from the internal bus and the write-to-latch line of the port latch are disconnected when compare mode 0 is enabled.
Compare Register
Circuit
Compare Reg.
16 Bit
Comparator
Bit16
Timer Register
Timer Circuit
Compare Match
Timer Overflow
Figure 11 Port Latch in Compare Mode 0
Port Circuit
Internal Bus
Write to Latch
S D
Latch
CLK R
Read Latch
Q
Port
Q
Read Pin
V
CC
Port
Pin
MCS02661
Semiconductor Group 28 1997-08-01
Page 29
C515
Compare Mode 1 If compare mode 1 is enabled and the software writes to the appropriate output latch at the port, the
new value will not appear at the output pin until the next compare match occurs. Thus, it can be chosen whether the output signal has to make a new transition (1-to-0 or 0-to-1, depending on the actual pin-level) or should keep its old value at the time when the timer value matches the stored compare value.
In compare mode 1 (see figure 12) the port circuit consists of two separate latches. One latch (which acts as a "shadow latch") can be written under software control, but its value will only be transferred to the port latch (and thus to the port pin) when a compare match occurs.
Port Circuit
Compare Register
Circuit
Compare Reg.
16 Bit
Comparator
16 Bit
Timer Register
Timer Circuit
Compare Match
Internal Bus
Write to Latch
Figure 12 Compare Function in Compare Mode 1
D
Shadow
Latch
CLK
Read Latch
Q
D
Port
Latch
Read Pin
V
CC
Q
QCLK
Port
Pin
MCS02662
Semiconductor Group 29 1997-08-01
Page 30
C515
Serial Interface (USART)
The serial port is full duplex and can operate in four modes (one synchronous mode, three asynchronous modes) as illustrated in table 5. The possible baudrates can be calculated using the formulas given in table 5.
Table 5 USART Operating Modes
Mode
SCON Description
SM0 SM1
0 0 0 Shift register mode
Serial data enters and exits through R×D/ T×D outputs the shift clock; 8-bit are transmitted/received (LSB first); fixed baud rate
1 0 1 8-bit UART, variable baud rate
10 bits are transmitted (through T×D) or received (at R×D)
2 1 0 9-bit UART, fixed baud rate
11 bits are transmitted (through T×D) or received (at R×D)
3 1 1 9-bit UART, variable baud rate
Like mode 2
For clarification some terms regarding the difference between "baud rate clock" and "baud rate" should be mentioned. In the asynchronous modes the serial interfaces require a clock rate which is 16 times the baud rate for internal synchronization. Therefore, the baud rate generators/timers have to provide a "baud rate clock" (output signal in figure 13 to the serial interface which - there divided by 16 - results in the actual "baud rate". Further, the abbrevation f
refers to the oscillator
OSC
frequency (crystal or external clock operation). The variable baud rates for modes 1 and 3 of the serial interface can be derived from either timer 1
or from the system clock (see figure 13).
Semiconductor Group 30 1997-08-01
Page 31
Timer
1
Overflow
/2
f
OSC
÷ 39
÷ 6
ADCON.7
(BD)
0 1
Mode
2
Mode
0
Mode 1
SCON.7 SCON.6
(SM0/
3Mode
SM1)
Only one mode can be selected
÷ 2
PCON.7
(SMOD)
0 1
C515
Baud Rate Clock
Note: The switch configuration shows the reset state.
MCB03206
Figure 13 Block Diagram of Baud Rate Generation for the Serial Interface
Table 6 below lists the values/formulas for the baud rate calculation of the serial interface with its dependencies of the control bits BD and SMOD.
Table 6 Serial Interface - Baud Rate Dependencies
Serial Interface 0 Operating Modes
Mode 0 (Shift Register) f Mode 1 (8-bit UART)
Mode 3 (9-bit UART)
Active Control Bits Baud Rate Calculation
BD SMOD
/ 12
OSC
0 X Controlled by timer 1 overflow :
SMOD
(2
× timer 1 overflow rate) / 32
1 X Controlled by system clock divider circuits :
SMOD
Mode 2 (9-bit UART) 0
(2
f
1
f
OSC OSC
× f
/ 64 / 32
) / 2496
OSC
Semiconductor Group 31 1997-08-01
Page 32
C515
8-Bit A/D Converter
The C515 provides an A/D converter with the following features:
– Eight multiplexed input channels – The possibility of using the analog inputs (port 6) also as digital inputs – Programmable internal reference voltages (16 steps each) via resistor array – 8-bit resolution within the selected reference voltage range – Internal start-of-conversion trigger – Interrupt request generation after each conversion
For the A/D conversion, the method of successive approximation via capacitor array is used. The externally applied reference voltage range has to be held on a fixed value within the specifications (see section "A/D Converter Characteristics" in this data sheet). The internal reference voltages can be varied to reduce the reference voltage range of the A/D converter and thus to achieve a higher resolution. Figure 14 shows a block diagram of the A/D converter.
Semiconductor Group 32 1997-08-01
Page 33
IEN1 (B8 )
H
C515
Internal
Bus
Port 6
f
/2
OSC
EXEN2 SWDT
IRCON (C0 )
EXF2 TF2
ADCON (D8 )
BD CLK
MUX S & H
÷ 4
EX6
EX5
H
IEX6
IEX5
H
_
BSY
Conversion Clock
f
ADC
IEX4
ADM
IEX3
Single/ Continuous Mode
Converter
0
MX1
A/D
EADCEX3EX4 ECAN
IADC
MX0MX2
ADDAT (D9 )
H
LBS
.1 .2 .3 .4 .5 .6
MSB
Write to DAPR
V
AREF
V
AGND
DAPR (DA )
.7 .6 .3.4.5
Shaded bit locations are not used in ADC-functions.
Figure 14 A/D Converter Block Diagram
Input Clock
f
IN
Internal Reference Voltages
H
Programming of
V
INTAREF
Start of Conversion
V
INTAREF INTAGND
V
.2 .1 .0
Programming of
V
INTAGND
Internal
Bus
MCB03207
Semiconductor Group 33 1997-08-01
Page 34
C515
Interrupt System
The C515 provides 12 interrupt sources with four priority levels. Five interrupts can be generated by the on-chip peripherals (timer 0, timer 1, timer 2, A/D converter, and serial interface) and seven interrupts may be triggered externally (P3.2/INT0, P3.3/INT1, P1.4/INT2, P1.0/INT3, P1.1/INT4, P1.2/INT5, P1.3/INT6).
This chapter shows the interrupt structure, the interrupt vectors and the interrupt related special function registers. Figure 15 and 16 give a general overview of the interrupt sources and illustrate the request and the control flags which are described in the next sections.
Semiconductor Group 34 1997-08-01
Page 35
P3.2/ INT0
IT0
TCON.0
IE0
TCON.1
EX0
IEN0.0
0003
C515
Highest
Priority Level
H
Lowest
Priority Level
A/D Converter
Timer 0 Overflow
P1.4/ INT2
I2FR
T2CON.5
P3.3/ INT1
IT1
TCON.2
IADC
IRCON.0
TF0
TCON.5
IEX2
IRCON.1
IE1
TCON.3
EADC
IEN1.0
ET0
IEN0.1
EX2
IEN1.1
EX1
IEN0.2
0043
000B
004B
0013
H
IP1.0
H
H
H
IP0.0
Polling Sequence
IP0.1IP1.1
P1.0/ INT3
CC0
I3FR
T2CON.6
Bit addressable Request Flag is
cleared by hardware
IEX3
IRCON.2
EX3
IEN1.2
0053
H
EAL
IEN0.7
IP1.2
IP0.2
MCS03208
Figure 15 Interrupt Request Sources (Part 1)
Semiconductor Group 35 1997-08-01
Page 36
Timer 1 Overflow
P1.1/ INT4
CC1
TF1
TCON.7
IEX4
IRCON.3
ET1
IEN0.3
EX4
IEN1.3
001B
005B
C515
Highest
Priority Level
H
Lowest
Priority Level
H
USART
P1.2/ INT5
CC2
2
Timer Overflow
P1.5/ T2EX
P1.3/ INT6
CC3
RI
SCON.0
SCON.1
EXEN2 IEN1.7
TI
TF2
IRCON.6
EXF2
IRCON.7
_
<
1
IEX5
IRCON.4
_
<
1
IEX6
IRCON.5
ES
IEN0.4
EX5
IEN1.4
ET2
IEN0.5
EX6
IEN1.5
0023
0063
002B
006B
IP1.3
IP0.3
H
H
Polling Sequence
IP0.4IP1.4
H
H
Bit addressable
EAL
IEN0.7
IP1.5 IP0.5
MCS03209
Request Flag is cleared by hardware
Figure 16 Interrupt Request Sources (Part 2)
Semiconductor Group 36 1997-08-01
Page 37
Table 7 Interrupt Source and Vectors
Interrupt Source Interrupt Vector Address Interrupt Request Flags
C515
External Interrupt 0 0003 Timer 0 Overflow 000B External Interrupt 1 0013 Timer 1 Overflow 001B Serial Channel 0023 Timer 2 Overflow / Ext. Reload 002B A/D Converter 0043 External Interrupt 2 004B External Interrupt 3 0053 External Interrupt 4 005B External Interrupt 5 0063 External Interrupt 6 006B
H
H
H H H H H H H H
H
H
IE0 TF0 IE1 TF1 RI / TI TF2 / EXF2 IADC IEX2 IEX3 IEX4 IEX5 IEX6
Semiconductor Group 37 1997-08-01
Page 38
C515
Fail Save Mechanisms
As a means of graceful recovery from software or hardware upset a watchdog timer is provided in the C515. lf the software fails to clear the watchdog timer at least every 65532 µs (at 12 MHz clock rate), an internal hardware reset will be initiated. The software can be designed such that the watchdog times out if the program does not progress properly. The watchdog will also time out if the software error was due to hardware-related problems. This prevents the controller from malfunctioning for longer than 65 ms if a 12-MHz oscillator is used. Figure 17 shows the block diagram of the watchdog timer unit.
f
OSC
÷ 12
16-Bit Watchdog Timer
Reset
WDT Reset if WDT count is between
-------WDTS
External HW Reset
Control Logic
-
WDT
SWDT -
-
-
-
-
-
-
-
FFFC
FFFF-
HH
IP0 ( A9H)
-
--
IEN0
-
-
IEN1
A8()
H
)(B8
H
MCB03210
Figure 17 Block Diagram of the Watchdog Timer
The watchdog timer can be started by software (bit SWDT) but it cannot be stopped during active mode of the C515. lf the software fails to clear the watchdog in time, an internally generated watchdog reset is entered at the counter state FFFCH and lasts four instruction cycles. This internal reset differs from an external reset only to the extent that the watchdog timer is not disabled. Bit WDTS (was set by starting WDT) allows the software to examine from which source the reset was initiated. lf it is set, the reset was caused by a watchdog timer overflow.
Semiconductor Group 38 1997-08-01
Page 39
C515
Power Saving Modes
The C515 provides two basic power saving modes, the idle mode and the power down mode. Additionally, a slow down mode is available. This power saving mode reduces the internal clock rate in normal operating mode and it can be also used for further power reduction in idle mode.
Idle mode
The CPU is gated off from the oscillator. All peripherals are still provided with the clock and are able to work. Idle mode is entered by software and can be left by an interrupt or reset.
Power down mode
The operation of the C515 is completely stopped and the oscillator is turned off. This mode is used to save the contents of the internal RAM with a very low standby current. Power down mode is entered by software and can be left by reset or by a short low pulse at pin P3.2/INT0.
Slow-down mode
The controller keeps up the full operating functionality, but its normal clock frequency is internally divided by 8. This slows down all parts of the controller, the CPU and all peripherals, to 1/8 th of their normal operating frequency. Slowing down the frequency significantly reduces power consumption.
Table 8 gives a general overview of the entry and exit procedures of the power saving modes. Table 8
Power Saving Modes Overview Mode Entering
Leaving by Remarks 2-Instruction Example
Idle mode ORL PCON, #01H
ORL PCON, #20H
Occurrence of an
interrupt from a
peripheral unit
Hardware Reset
CPU clock is stopped; CPU maintains their data; peripheral units are active (if enabled) and provided with clock
Power Down Mode ORL PCON, #02H
ORL PCON, #40H
Hardware Reset Oscillator is stopped;
contents of on-chip RAM and SFR’s are maintained;
Slow Down Mode In normal mode :
ORL PCON,#10H
ANL PCON,#0EFH
or
Internal clock rate is reduced to 1/8 of its nominal frequency
Hardware Reset With idle mode :
ORL PCON,#01H ORL PCON, #30H
Occurrence of an
interrupt from a
peripheral unit
Hardware reset
CPU clock is stopped; CPU maintains their data; peripheral units are active (if enabled) and provided with 1/8 of its nominal frequency
In the power down mode of operation, be ensured, however, that VCC is not reduced before the power down mode is invoked, and that V
V
can be reduced to minimize power consumption. It must
CC
CC
is restored to its normal operating level, before the power down mode is terminated.
Semiconductor Group 39 1997-08-01
Page 40
C515
Absolute Maximum Ratings
Ambient temperature under bias (TA) ......................................................... – 40 to 110 °C
Storage temperature (T
Voltage on VCC pins with respect to ground (VSS) ....................................... – 0.5 V to 6.5 V
Voltage on any pin with respect to ground (VSS)......................................... – 0.5 V to VCC +0.5 V
Input current on any pin during overload condition..................................... – 10 mA to 10 mA
Absolute sum of all input currents during overload condition ..................... I 100 mA I
Power dissipation........................................................................................ TBD
Note:Stresses above those listed under “Absolute Maximum Ratings” may cause permanent
damage of the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for longer periods may affect device reliability. During overload conditions ( Voltage on
V
absolute maximum ratings.
) .......................................................................... – 65 °C to 150 °C
stg
V
>
V
IN
pins with respect to ground (
CC
V
) must not exceed the values defined by the
SS
CC
or
V
<
V
SS
) the
IN
Semiconductor Group 40 1997-08-01
Page 41
C515
DC Characteristics
V
= 5 V + 10%, – 15%; VSS = 0 V TA = 0 to 70 °C for the SAB-C515-1RM
CC
T
= – 40 to 85 °C for the SAF-C515-1RM
A
T
= – 40 to 110 °C for the SAH-C515-1RM
A
Parameter Symbol Limit Values Unit Test Condition
min. max.
Input low voltages all except EA EA pin
Input high voltages all except XTAL2 and RESET XTAL2 pin RESET pin
Output low voltages Ports 1, 2, 3, 4, 5 Port 0, ALE, PSEN
Output high voltages Ports 1, 2, 3, 4, 5
Port 0 in external bus mode, ALE, PSEN
Logic 0 input current Ports 1, 2, 3, 4, 5 I
Logical 0-to-1 transition current Ports 1, 2, 3, 4, 5
V
IL
V
IL1
V
IH
V
IH1
V
IH2
V
OL
V
OL1
V
OH
V
OH2
IL
I
TL
– 0.5 – 0.5
0.2 VCC + 0.9
0.7 V
CC
0.6 V
CC
– –
2.4
0.9 V
CC
2.4
0.9 V
CC
0.2 VCC - 0.1
0.2 VCC - 0.3VV
V
+ 0.5
CC
V
+ 0.5
CC
V
+ 0.5
CC
0.45
0.45
– – – –
– –
V V V
V V
V V V V
– – –
I
= 1.6 mA
OL
I
= 3.2 mA
OL
I
= – 80 µA
OH
I
= – 10 µA
OH
I
= – 800 µA
OH
I
= – 80 µA
OH
– 10 – 70 µA VIN = 0.45 V – 65 – 650 µA VIN = 2 V
1)
1)
2)
Input leakage current Port 0, AIN0-7 (Port 6), EA
I
LI
± 1 µA 0.45 < VIN < V
CC
Input low current to RESET for reset XTAL2 PE
Pin capacitance
Overload current
Notes on next page
I I I
C
I
LI2 LI3 LI4
OV
–10 – –
IO
–10pFf ± 5mA
– 100 – 15 – 20
µA µA µA
V
= 0.45 V
IN
V
= 0.45 V
IN
V
= 0.45 V
IN
= 1 MHz,
c
T
= 25 °C
A
7) 8)
Semiconductor Group 41 1997-08-01
Page 42
C515
Power Supply Current Parameter Symbol Limit Values Unit Test Condition
9)
typ.
Active mode 16 MHz
24 MHz
Idle mode 16 MHz
24 MHz
Active mode with slow-down enabled
16 MHz 24 MHz
Power-down mode I
I
CC
I
CC
I
CC
I
CC
I
CC
I
CC
PD
13.7
19.6
6.9
9.1
4.9
6.5 10 30 µA VCC = 2…5.5 V
1) Capacitive loading on ports 0 and 2 may cause spurious noise pulses to be superimposed on the VOL of ALE and ports1, 3, 4, and 5. The noise is due to external bus capacitance discharging into the port 0 and port 2 pins when these pins make 1-to-0 transitions during bus operation. In the worst case (capacitive loading > 100 pF), the noise pulse on ALE line may exceed 0.8 V. In such cases it may be desirable to qualify ALE with a schmitt­trigger, or use an address latch with a schmitt-trigger strobe input.
max.
18.2 25
9.6
12.8
7.0
8.8
10)
mA mA
mA mA
mA mA
4)
5)
6)
3)
V
2) Capacitive loading on ports 0 and 2 may cause the
V
0.9
specification when the address lines are stabilizing.
CC
on ALE and PSEN to momentarily fall below the
OH
3) IPD (power-down mode) is measured under following conditions:
= Port 0 = Port 6 = VCC ; RESET = VCC; XTAL1 = N.C.; PE = XTAL2 = VSS ; V
EA
I
other pins are disconnected. The typical
current is measured at VCC = 5 V.
PD
AGND
= VSS ; V
= VCC ; all
AREF
4) ICC (active mode) is measured with:
t
, t
XTAL2 driven with
= Port 0 = Port 6 = VCC ; RESET = VSS ; all other pins are disconnected.
EA
CLCH
= 5 ns , VIL = VSS + 0.5 V, VIH =
CHCL
V
– 0.5 V; XTAL1 = N.C.;
CC
5) ICC (idle mode) is measured with all output pins disconnected and with all peripherals disabled;
t
, t
XTAL2 driven with
= Port 0 = Port 6 = VCC ; RESET = VCC ; all other pins are disconnected;
EA
CLCH
= 5 ns, VIL = VSS + 0.5 V, VIH = VCC – 0.5 V; XTAL1 = N.C.;
CHCL
6) ICC (active mode with slow-down mode) is measured : TBD
7) ICC (active mode with slow-down mode) is measured : TBD
8) Overload conditions occur if the standard operating conditions are exceeded, ie. the voltage on any pin
V
exceeds the specified range (i.e.
> VCC + 0.5 V or VOV < VSS - 0.5 V). The supply voltage VCC and VSS must
OV
remain within the specified limits. The absolute sum of input currents on all port pins may not exceed 50 mA.
9) Not 100% tested, guaranteed by design characterization
I
10)The typical
values are periodically measured at T
CC
= +25 °C but not 100% tested.
A
Semiconductor Group 42 1997-08-01
Page 43
C515
30
mA
Ι
CC
25
20
15
10
5
0
0
4 8 12 16 20 24
Active mode
Idle mode
Active mode with slow-down
Ι
CC max
Ι
CC typ
Ι
:
Ι
:
Ι
:
Ι
:
Ι Ι
= 0.68 x + 2.8 = 0.85 x + 4.6:
CC max
= 0.28 x + 2.4
CC typ
= 0.39 x + 3.4
CC max
= 0.18 x + 2.0
CC typ
= 0.23 x + 3.3:
CC max
Active Mode
Active Mode
Idle Mode Idle Mode
Active Mode with Slow Down
f
OSC
f
OSCCC typ
f
OSC
f
OSC
f
OSC
f
OSC
f
OSC
MHz
Figure 18 ICC Diagram
f
is the oscillator frequency in MHz. values are given in mA.
Ι
CCOSC
MCD03282
Semiconductor Group 43 1997-08-01
Page 44
A/D Converter Characteristics
V
= 5 V + 10%, – 15%; VSS = 0 V TA = 0 to 70 °C for the SAB-C515-1RM
CC
T
= – 40 to 85 °C for the SAF-C515-1RM
A
T
= – 40 to 110 °C for the SAH-C515-1RM
A
V
– 0.25 V V
CC
VCC + 0.25 V ; VSS – 0.2 V V
AREF
Vss + 0.2 V; V
AGND
IntAREF
V
IntAGND
Parameter Symbol Limit Values Unit Test Condition
min. max.
Analog input voltage
V
AIN
V
AGND
0.2
-
V
AREF
+
V
0.2
1)
C515
1 V;
A/D converter input clock t Sample time Conversion cycle time t Total unadjusted error T
Internal resistance of reference voltage source
Internal resistance of
IN
t
S
ADCC
UE
R
R
AREF
ASRC
2 x t 16 x t 80 x t
CLCL
ns
IN
ns
IN
ns
± 1 LSB V
–8 x tIN /500
k
- 1
tS / 500 - 1 k
2)
3)
IntAREF
V
IntAGND
t
in [ns]
IN
t
in [ns]
S
= V
= V
AREF
AGND
5) 6)
2) 6)
= V
= V
CC
SS
analog source ADC input capacitance C
AIN
–45 pF
Notes:
1) V
2) During the sample time the input capacitance C
may exceed V
AIN
AGND
these cases will be 00
or V
or FFH, respectively.
H
up to the absolute maximum ratings. However, the conversion result in
AREF
can be charged/discharged by the external source. The
AIN
internal resistance of the analog source must allow the capacitance to reach their final voltage level within t After the end of the sample time t
, changes of the analog input voltage have no effect on the conversion
S
result.
3) This parameter includes the sample time t
is always 8 x tIN.
t
ADC
4) TUE is tested at V
AREF
= 5.0 V, V
AGND
and the conversion time tC. The values for the conversion clock
S
= 0 V, VCC = 4.9 V. It is guaranteed by design characterization for all other voltages within the defined voltage range. If an overload condition occurs on maximum 2 not selected analog input pins and the absolute sum of input overload currents on all analog input pins does not exceed 10 mA, an additional conversion error of 1/2 LSB is permissible.
6)
4)
.
S
5) During the conversion the ADC’s capacitance must be repeatedly charged or discharged. The internal resistance of the reference source must allow the capacitance to reach their final voltage level within the indicated time. The maximum internal resistance results from the programmed conversion timing.
6) Not 100% tested, but guaranteed by design characterization.
Semiconductor Group 44 1997-08-01
Page 45
C515
AC Characteristics (16 MHz)
V
= 5 V + 10%, – 15%; VSS = 0 V TA = 0 to 70 °C for the SAB-C515-1RM
CC
T
= – 40 to 85 °C for the SAF-C515-1RM
A
T
= – 40 to 110 °C for the SAH-C515-1RM
A
(CL for port 0, ALE and PSEN outputs = 100 pF; CL for all other outputs = 80 pF)
Program Memory Characteristics Parameter Symbol Limit Values Unit
16 MHz
Clock
Variable Clock
1/
t
= 1 MHz to 16 MHz
CLCL
min. max. min. max.
ALE pulse width t Address setup to ALE Address hold after ALE ALE low to valid instr in ALE to PSEN PSEN PSEN
pulse width t
to valid instr in t Input instruction hold after PSEN Input instruction float after PSEN Address valid after PSEN Address to valid instr in Address float to PSEN
*)
Interfacing the C515 to devices with float times up to 75 ns is permissible. This limited bus contention will not cause any damage to port 0 drivers.
t
LHLL
t
AVLL
t
LLAX
t
LLIV
t
LLPL
PLPH
PLIV
t
PXIX
PXIZ
t
PXAV
t
AVIV
t
AZPL
*)
85 2t 33 t 28 t 150 4t 38 t 153 3t –88– 3t
– 40 ns
CLCL
– 30 ns
CLCL
– 35 ns
CLCL
– 100 ns
CLCL
– 25 ns
CLCL
– 35 ns
CLCL
– 100 ns
CLCL
00–ns –43– t
*)
55 t
– 8 ns
CLCL
198 5t
– 20 ns
CLCL
– 115 ns
CLCL
00–ns
CLKOUT Characteristics Parameter Symbol Limit Values Unit
16 MHz
Clock
Variable Clock
1/t
= 1 MHz to 16 MHz
CLCL
min. max. min. max.
ALE to CLKOUT CLKOUT high time CLKOUT low time CLKOUT low to ALE high
t
LLSH
t
SHSL
t
SLSH
t
SLLH
398 7 t 85 2 t 585 10 t 23 103 t
CLCL
– 40 ns
CLCL
– 40 ns
CLCL
– 40 ns
CLCL
– 40 t
+ 40 ns
CLCL
Semiconductor Group 45 1997-08-01
Page 46
C515
AC Characteristics (16 MHz) (cont’d) External Data Memory Characteristics
Parameter Symbol Limit Values Unit
pulse width t
RD WR
pulse width t
Address hold after ALE
to valid data in t
RD Data hold after RD Data float after RD ALE to valid data in Address to valid data in ALE to WR Address valid to WR WR
or RD high to ALE high t
Data valid to WR
or RD t
or RD t
transition t Data setup before WR Data hold after WR Address float after RD
RLRH
WLWH
t
LLAX2
RLDV
t
RHDX
t
RHDZ
t
LLDV
t
AVDV
LLWL
AVWL
WHLH
QVWX
t
QVWH
t
WHQX
t
RLAZ
16 MHz
Clock
Variable Clock
1/
t
= 1 MHz to 16 MHz
CLCL
min. max. min. max.
275 6t 275 6t 90 2t 148 5t
– 100 ns
CLCL
– 100 ns
CLCL
– 35 ns
CLCL
– 165 ns
CLCL
00–ns –55– 2t 350 8t 398 9t 138 238 3t 120 4t 23 103 t 13 t 288 7t 13 t
– 50 3t
CLCL
– 130 ns
CLCL
– 40 t
CLCL
– 50 ns
CLCL
– 150 ns
CLCL
– 50 ns
CLCL
– 70 ns
CLCL
– 150 ns
CLCL
– 165 ns
CLCL
+ 50 ns
CLCL
+ 40 ns
CLCL
0–0ns
External Clock Drive Characteristics Parameter Symbol Limit Values Unit
Variable Clock
Freq. = 1 MHz to 16 MHz
min. max.
Oscillator period High time Low time Rise time Fall time
t
CLCL
t
CHCX
t
CLCX
t
CLCH
t
CHCL
62.5 1000 ns 15 t 15 t
CLCL
CLCL
tt
CLCX
CHCX
ns
ns –15ns –15ns
Semiconductor Group 46 1997-08-01
Page 47
C515
AC Characteristics (24 MHz)
V
= 5 V + 10%, – 15%; VSS = 0 V TA = 0 to 70 °C for the SAB-C515-1RM
CC
T
= – 40 to 85 °C for the SAF-C515-1RM
A
T
= – 40 to 110 °C for the SAH-C515-1RM
A
(CL for port 0, ALE and PSEN outputs = 100 pF; CL for all other outputs = 80 pF)
Program Memory Characteristics Parameter Symbol Limit Values Unit
24 MHz
Clock
Variable Clock
1/
t
= 1 MHz to 24 MHz
CLCL
min. max. min. max.
ALE pulse width t Address setup to ALE Address hold after ALE ALE low to valid instr in ALE to PSEN PSEN PSEN
pulse width t
to valid instr in t Input instruction hold after PSEN Input instruction float after PSEN Address valid after PSEN Address to valid instr in Address float to PSEN
*)
Interfacing the C515 to devices with float times up to 37 ns is permissible. This limited bus contention will not cause any damage to port 0 drivers.
t
LHLL
t
AVLL
t
LLAX
t
LLIV
t
LLPL
PLPH
PLIV
t
PXIX
PXIZ
t
PXAV
t
AVIV
t
AZPL
*)
43 2t 17 t 17 t –80– 4t 22 t 95 3t –60– 3t
– 40 ns
CLCL
– 25 ns
CLCL
– 25 ns
CLCL
– 87 ns
CLCL
– 20 ns
CLCL
– 30 ns
CLCL
– 65 ns
CLCL
00–ns –32– t
*)
37 t
– 5 ns
CLCL
148 5t
– 10 ns
CLCL
– 60 ns
CLCL
00–ns
CLKOUT Characteristics Parameter Symbol Limit Values Unit
24 MHz
Clock
Variable Clock
1/t
= 1 MHz to 24 MHz
CLCL
min. max. min. max.
ALE to CLKOUT CLKOUT high time CLKOUT low time CLKOUT low to ALE high
t
LLSH
t
SHSL
t
SLSH
t
SLLH
252 7 t 43 2 t 377 10 t 282t
– 40 ns
CLCL
– 40 ns
CLCL
CLCL
– 40 t
CLCL
– 40 ns
+ 40 ns
CLCL
Semiconductor Group 47 1997-08-01
Page 48
C515
AC Characteristics (24 MHz) (cont’d) External Data Memory Characteristics
Parameter Symbol Limit Values Unit
pulse width t
RD WR
pulse width t
Address hold after ALE
to valid data in t
RD Data hold after RD Data float after RD ALE to valid data in Address to valid data in ALE to WR Address valid to WR WR
or RD high to ALE high t
Data valid to WR
or RD t
or RD t
transition t Data setup before WR Data hold after WR Address float after RD
RLRH
WLWH
t
LLAX2
RLDV
t
RHDX
t
RHDZ
t
LLDV
t
AVDV
LLWL
AVWL
WHLH
QVWX
t
QVWH
t
WHQX
t
RLAZ
24 MHz
Clock
Variable Clock
1/
t
= 1 MHz to 24 MHz
CLCL
min. max. min. max.
180 6t 180 6t 15 t 118 5t
– 70 ns
CLCL
– 70 ns
CLCL
– 27 ns
CLCL
– 90 ns
CLCL
00–ns –63– 2t 200 8t 220 9t 75 175 3t 67 4t 17 67 t 5–t 170 7t 15 t
– 50 3t
CLCL
– 97 ns
CLCL
– 25 t
CLCL
– 37 ns
CLCL
– 122 ns
CLCL
– 27 ns
CLCL
– 20 ns
CLCL
– 133 ns
CLCL
– 155 ns
CLCL
+ 50 ns
CLCL
+ 25 ns
CLCL
0–0ns
External Clock Drive Characteristics Parameter Symbol Limit Values Unit
Variable Clock
Freq. = 1 MHz to 24 MHz
min. max.
Oscillator period High time Low time Rise time Fall time
t
CLCL
t
CHCX
t
CLCX
t
CLCH
t
CHCL
41.7 1000 ns 12 t 12 t
CLCL
CLCL
tt
CLCX
CHCX
ns
ns –12ns –12ns
Semiconductor Group 48 1997-08-01
Page 49
ALE
t
LHLL
C515
PSEN
Port 0
Port 2
Figure 19 Program Memory Read Cycle
t
AVLL PLPH
t
LLIV
t
t
PLIV
t
AZPL
t
LLAX
t
LLPL
t
t
PXAV
t
PXIZ
PXIX
A0 - A7 Instr.IN A0 - A7
t
AVIV
A8 - A15 A8 - A15
MCT00096
Semiconductor Group 49 1997-08-01
Page 50
ALE
PSEN
RD
Port 0
t
WHLH
t
LLDV
t
LLWL
t
AVLL
t
LLAX2
A0 - A7 from
Ri or DPL from PCL
t
RLDV
t
RLAZ
t
RLRH
Data IN
t
RHDZ
t
RHDX
A0 - A7 Instr.
C515
IN
Port 2
Figure 20 Data Memory Read Cycle
t
AVWL
t
AVDV
A8 - A15 from PCHP2.0 - P2.7 or A8 - A15 from DPH
MCT00097
Figure 21 CLKOUT Timing
Semiconductor Group 50 1997-08-01
Page 51
ALE
PSEN
t
WHLH
C515
WR
t
AVLL
Port 0
A0 - A7 from
Ri or DPL from PCL
t
AVWL
Port 2
Figure 22 Data Memory Write Cycle
V
- 0.5V
CC
0.45V
0.2
0.7
V
t
LLAX2
CC
t
LLWL
V
CC
- 0.1
t
QVWX
Data OUT
t
CHCL
t
WLWH
t
QVWH
t
CLCX
t
CLCH
t
CLCL
t
CHCX
t
WHQX
A0 - A7
A8 - A15 from PCHP2.0 - P2.7 or A8 - A15 from DPH
Instr.IN
MCT00098
MCT00033
Figure 23 External Clock Drive at XTAL2
Semiconductor Group 51 1997-08-01
Page 52
C515
ROM Verification Characteristics for the C515-1RM ROM Verification Mode 1
Parameter Symbol Limit Values Unit
min. max.
Address to valid data
P1.0 - P1.7 P2.0 - P2.4
Port 0
Address : P1.0 - P1.7 = A0 - A7
t
AVQV
Address
Data OUT
P2.0 - P2.4 = A8 - A12 P0.0 - P0.7 = D0 - D7
10 t
New Address
t
AVQV
New Data Out
Inputs : PSEN =
V
SS
ALE, EA = RESET =Data :
V
V
IH
IL2
MCT03212
ns
CLCL
Figure 24 ROM Verification Mode 1
Semiconductor Group 52 1997-08-01
Page 53
C515
ROM Verification Mode 2 Parameter Symbol Limit Values Unit
min. typ max.
ALE pulse width ALE period Data valid after ALE Data stable after ALE P3.5 setup to ALE low Oscillator frequency
ALE
Port 0
t
AWD
t
AS
t
DVA
t
AWD
t
ACY
t
DVA
t
DSA
t
AS
1/
t
CLCL
t
DSA
–2 t 12 t ––4 t 8 t
––ns
CLCL
t
–ns
CLCL
–ns
CLCL
ns
CLCL
–ns
CLCL
1–24MHz
t
ACY
Data Valid
P3.5
Figure 25 ROM Verification Mode 2
MCT02613
Semiconductor Group 53 1997-08-01
Page 54
V
-0.5 V
CC
V
+0.90.2
CC
Test Points
V
0.2 -0.1
CC
0.45 V
MCT00039
AC Inputs during testing are driven at VCC - 0.5 V for a logic ’1’ and 0.45 V for a logic ’0’. Timing measurements are made at V
for a logic ’1’ and V
IHmin
for a logic ’0’.
ILmax
Figure 26 AC Testing: Input, Output Waveforms
C515
-0.1 V
V
OH
V
+0.1 V
OL
MCT00038
V
Load
V
V
Load
Load
+0.1 V
Timing Reference
Points
-0.1 V
For timing purposes a port pin is no longer floating when a 100 mV change from load voltage occurs and begins to float when a 100 mV change from the loaded
V
OH/VOL
level occurs.
Figure 27 AC Testing : Float Waveforms
Crystal Oscillator Mode Driving from External Source
C
XTAL1
N.C.
XTAL1
1-24 MHz
C
Crystal Mode :
C
XTAL2 XTAL2
= 20 pF±10 pF (incl. stray capacitance)
External Oscillator Signal
MCS03204
Figure 28 Recommended Oscillator Circuits for Crystal Oscillator
Semiconductor Group 54 1997-08-01
Page 55
Plastic Package, P-MQFP-80-1 (SMD)
(Plastic Metric Quad Flat Package)
C515
Figure 29 P-MQFP-80-1 Package Outlines
Sorts of Packing
Package outlines for tubes, trays etc. are contained in our Data Book “Package Information”
SMD = Surface Mounted Device
GPM05249
Dimensions in mm
Semiconductor Group 55 1997-08-01
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