1996 Microchip Technology Inc.
Advance Information
DS40139A-page 1
Devices included in this Data Sheet:
PIC12C508 and PIC12C509 are 8-bit microcontrollers
packaged in 8-lead packages. They are based on the
Enhanced PIC16C5X family.
High-Performance RISC CPU:
Only 33 single word instructions to learn
All instructions are single cycle (1
program branches which are two-cycle
Operating speed: DC - 4 MHz clock input
DC - 1
μ
s) except for
μ
s instruction cycle
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
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
Power saving SLEEP mode
Wake-up from SLEEP on pin change
Internal pull-ups on I/O pins
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
Internal pull-up on MCLR pin
Device
PIC12C508
PIC12C509
EPROM
512 x 12
1024 x 12
RAM
25
41
CMOS Technology:
Low power, high speed CMOS EPROM
technology
Fully static design
Wide operating voltage range:
- Commercial: 2.5V to 5.5V
- Industrial: 2.5V to 5.5V
Low power consumption
- < 2 mA @ 5V, 4 MHz
- 15
μ
A typical @ 3V, 32 KHz
- < 1
μ
A typical standby current
Pin Diagram
PDIP, SOIC
8
7
6
5
1
2
3
4
P
V
SS
GP0
GP1
GP2/T0CKI
P
GP5/OSC1/CLKIN
GP4/OSC2
GP3/MCLR/V
PP
VDD
PIC12C5XX
8-Pin, 8-Bit CMOS Microcontroller
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