IC

Devices included in this Data Sheet:
PIC12C508 PIC12C508A PIC12CE518
PIC12C509 PIC12C509A PIC12CE519
PIC12CR509A
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 ms) except for
program branches which are two-cycle
Operating speed: DC - 4 MHz clock input
DC - 1 ms instruction cycle

IC
Peripheral Features:
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

IC
PIC12C508 PIC12C508A PIC12CE518
PIC12C509 PIC12C509A PIC12CE519
PIC12CR509A