8-Pin, 8-Bit CMOS Microcontroller with A/D Converter
and EEPROM Data Memory
Devices Included in this Data Sheet:
•
•
•
•
PIC12C671
PIC12C672
PIC12CE673
PIC12CE674
Note:
Throughout this data sheet
PIC12C67X
refers to the PIC12C671, PIC12C672,
PIC12CE673 and PIC12CE674.
PIC12CE67X
refers to PIC12CE673 and
PIC12CE674.
Pin Diagrams:
PDIP, SOIC, Windowed CERDIP
V
DD
GP5/OSC1/CLKIN
GP4/OSC2/AN3/
CLKOUT
GP3/MCLR/V
PP
1
2
3
4
8
7
6
5
V
SS
GP0/AN0
GP1/AN1/V
REF
GP2/T0CKI/AN2/
INT
PDIP, Windowed CERDIP
V
DD
GP5/OSC1/CLKIN
GP4/OSC2/AN3/
CLKOUT
GP3/MCLR/V
PP
1
2
3
4
8
7
6
5
V
SS
GP0/AN0
GP1/AN1/V
REF
GP2/T0CKI/AN2/
INT
PIC12C671
PIC12C672
PIC12CE673
PIC12CE674
High-Performance RISC CPU:
• Only 35 single word instructions to learn
• All instructions are single cycle (400 ns) except for
program branches which are two-cycle
• Operating speed: DC - 10 MHz clock input
DC - 400 ns instruction cycle
Memory
Device
Program
PIC12C671
PIC12C672
PIC12CE673
PIC12CE674
•
•
•
•
•
•
1024 x 14
2048 x 14
1024 x 14
2048 x 14
Data
RAM
128 x 8
128 x 8
128 x 8
128 x 8
Data
EEPROM
—
—
16 x 8
16 x 8
Special Microcontroller Features:
•
•
•
•
•
•
•
•
•
•
•
•
In-Circuit Serial Programming (ICSP™)
Internal 4 MHz oscillator with programmable calibration
Selectable clockout
Power-on Reset (POR)
Power-up Timer (PWRT) and Oscillator Start-up
Timer (OST)
Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
Programmable code protection
Power saving SLEEP mode
Interrupt-on-pin change (GP0, GP1, GP3)
Internal pull-ups on I/O pins (GP0, GP1, GP3)
Internal pull-up on MCLR pin
Selectable oscillator options:
- INTRC: Precision internal 4 MHz oscillator
- EXTRC: External low-cost RC oscillator
- XT:
Standard crystal/resonator
- HS:
High speed crystal/resonator
- LP:
Power saving, low frequency crystal
14-bit wide instructions
8-bit wide data path
Interrupt capability
Special function hardware registers
8-level deep hardware stack
Direct, indirect and relative addressing modes for
data and instructions
Peripheral Features:
• Four-channel, 8-bit A/D converter
• 8-bit real time clock/counter (TMR0) with 8-bit
programmable prescaler
• 1,000,000 erase/write cycle EEPROM data
memory
• EEPROM data retention > 40 years
CMOS Technology:
• Low-power, high-speed CMOS EPROM/EEPROM
technology
• Fully static design
• Wide operating voltage range 2.5V to 5.5V
• Commercial, Industrial and Extended
temperature ranges
• Low power consumption
< 2 mA @ 5V, 4 MHz
15
A
typical @ 3V, 32 kHz
< 1
A
typical standby current
1997-2013 Microchip Technology Inc.
DS30561C-page 1
PIC12C67X
Table of Contents
1.0 General Description ...................................................................................................................................................................... 3
9.0 Special Features of the CPU....................................................................................................................................................... 53
10.0 Instruction Set Summary............................................................................................................................................................. 69
11.0 Development Support ................................................................................................................................................................. 83
13.0 DC and AC Characteristics ....................................................................................................................................................... 109
14.0 Packaging Information .............................................................................................................................................................. 115
Appendix B:Code for Accessing EEPROM Data Memory ................................................................................................................. 119
Index .................................................................................................................................................................................................. 121
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