12C509A - Microchip Technology

12C509A PIC12C509A

....... 4 PIC12C5XX Device Varieties ........ 7 Architectural Overview......

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: .