Microchip

PIC12C508 - 8 bit Microcontroller with 512 Bytes EPROM Program Memory

Photograph

Features High-Performance RISC CPU - Only 33 single word instructions to learn - All instructions are single cycle (1µs) except for program branches - Operating speed: DC - 4MHz clock input - 512 Byte EPROM Program Memory - 25 Byte RAM Data Memory - Internal 4MHz RC Oscillator with programmable calibration - In-circuit serial programming Peripheral Features - 8-bit real time clock/counter(TMR0) with 8-bit programmable prescalar - Power-On Reset - Watchdog Timer (WDT) with separate RC oscillator - Power saving SLEEP mode - Wake-up from SLEEP on pin change - Selectable oscillator options CMOS Technology - Low power, high speed CMOS EPROM/ROM technology - Fully Static Design - Low Power Consumption - < 2mA @ 5V, 4MHz - 15µA typical @ 3V, 32kHz - < 1µA typical standby current I/O and Packages - 6 Programmable I/O Lines - 8-pin DIP

Pin Description Pin Number Description 1 Vdd - Positive Power Supply 2 GP5/OSC1/CLKIN - See Data Sheet 3 GP4/OSC2 - Bi-directional data port / Oscillator crystal output 4 GP3/MCLR/Vpp - See Data Sheet 5 GP2/TOCK1 - Bi-directional data port 6 GP1 - Bi-directional data port / serial programming clock 7 GP0 - Bi-directional data port / serial programming data 8 Vss - Ground

Pin Layout Dimensional Drawing

Technical Data Data Sheet Microchip - Data Sheet for PIC12C5XX Application Notes Microchip - PIC12C5XX Application Notes