PIC16C505-04/JW 查看數據表（PDF） - Microchip Technology

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PIC16C505-04/JW

14-Pin, 8-Bit CMOS Microcontroller

Microchip Technology 

PIC16C505

FIGURE 3-1: PIC16C505 BLOCK DIAGRAM

EPROM

12

Program Counter

Data Bus

8

1K x 12

Program

Memory

STACK1

STACK2

RAM

72 bytes

File

Registers

Program

Bus

12

RAM Addr 9

Instruction reg

Direct Addr 5

Addr MUX

Indirect

5-7 Addr

FSR reg

STATUS reg

8

OSC1/CLKIN

OSC2

Instruction

Decode &

Control

Timing

Generation

Device Reset

Timer

Power-on

Reset

Watchdog

Timer

Internal RC

OSC

3

MUX

ALU

8

W reg

Timer0

MCLR

VDD, VSS

PORTB

PORTC

RB0

RB1

RB2

RB3/MCLR/VPP

RB4/OSC2/CLKOUT

RB5/OSC1/CLKIN

RC0

RC1

RC2

RC3

RC4

RC5/T0CKI

DS40192C-page 8

© 1999 Microchip Technology Inc.

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