PIC12F508-I/SL View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC12F508-I/SL

8/14-Pin, 8-Bit Flash Microcontrollers

Microchip Technology 

PIC12F508/509/16F505

FIGURE 3-1:

PIC12F508/509 BLOCK DIAGRAM

Flash

512 x 12 or

1024 x 12

Program

Memory

Program

Bus

12

Instruction Reg

12

Data Bus

8

Program Counter

Stack 1

Stack 2

RAM

25 x 8 or

41 x 8

File

Registers

RAM Addr 9

Addr MUX

Direct Addr 5

Indirect

5-7 Addr

FSR Reg

Status Reg

8

OSC1/CLKIN

OSC2

Instruction

Decode and

Control

Timing

Generation

Device Reset

Timer

Power-on

Reset

Watchdog

Timer

3

MUX

ALU

8

W Reg

Internal RC

OSC

MCLR

VDD, VSS

Timer0

GPIO

GP0/ISCPDAT

GP1/ISCPCLK

GP2/T0CKI

GP3/MCLR/VPP

GP4/OSC2

GP5/OSC1/CLKIN

DS41236E-page 12

© 2009 Microchip Technology Inc.

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