PIC12C5XX
8-Pin, 8-Bit CMOS Microcontrollers
Devices included in this Data Sheet:
Peripheral Features:
• PIC12C508 • PIC12C508A
• PIC12C509 • PIC12C509A
• PIC12CR509A
• PIC12CE518
• PIC12CE519
PIC12C508
512 x 12
25
• 8-bit real time clock/counter (TMR0) with 8-bit
programmable prescaler
• Power-On Reset (POR)
• Device Reset Timer (DRT)
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
• Programmable code-protection
• 1,000,000 erase/write cycle EEPROM data
memory
• EEPROM data retention > 40 years
• Power saving SLEEP mode
• Wake-up from SLEEP on pin change
• Internal weak pull-ups on I/O pins
• Internal pull-up on MCLR pin
• Selectable oscillator options:
- INTRC: Internal 4 MHz RC oscillator
- EXTRC: External low-cost RC oscillator
- XT:
Standard crystal/resonator
- LP:
Power saving, low frequency crystal
PIC12C508A
512 x 12
25
CMOS Technology:
PIC12C509
1024 x 12
41
PIC12C509A
1024 x 12
41
PIC12CE518
512 x 12
25
16
PIC12CE519
1024 x 12
41
16
Note: Throughout this data sheet PIC12C5XX
refers to the PIC12C508, PIC12C509,
PIC12C508A, PIC12C509A,
PIC12CR509A, PIC12CE518 and
PIC12CE519. PIC12CE5XX refers to
PIC12CE518 and PIC12CE519.
High-Performance RISC CPU:
• Only 33 single word instructions to learn
• All instructions are single cycle (1 µs) except for
program branches which are two-cycle
• Operating speed: DC - 4 MHz clock input
DC - 1 µs instruction cycle
Memory
Device
PIC12CR509A
EPROM
Program
ROM
Program
1024 x 12
•
•
•
•
•
RAM
Data
EEPROM
Data
41
12-bit wide instructions
8-bit wide data path
Seven special function hardware registers
Two-level deep hardware stack
Direct, indirect and relative addressing modes for
data and instructions
• Internal 4 MHz RC oscillator with programmable
calibration
• In-circuit serial programming
© 1999 Microchip Technology Inc.
• Low power, high speed CMOS EPROM/ROM
technology
• Fully static design
• Wide operating voltage range
• Wide temperature range:
- Commercial: 0°C to +70°C
- Industrial: -40°C to +85°C
- Extended: -40°C to +125°C
• Low power consumption
- < 2 mA @ 5V, 4 MHz
- 15 µA typical @ 3V, 32 KHz
- < 1 µA typical standby current
DS40139E-page 1
