PIC16C72-04SP 查看數據表（PDF） - Microchip Technology

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PIC16C72-04SP

8-Bit CMOS Microcontrollers with A/D Converter

Microchip Technology 

FIGURE 3-2: PIC16C73/73A/76 BLOCK DIAGRAM

Device Program Memory Data Memory (RAM)

PIC16C73

PIC16C73A

PIC16C76

4K x 14

4K x 14

8K x 14

192 x 8

192 x 8

368 x 8

EPROM

Program

Memory

Program

Bus

14

Instruction reg

13

Program Counter

Data Bus

8

8 Level Stack

(13-bit)

RAM

File

Registers

RAM Addr(1)

9

Addr MUX

Direct Addr 7

Indirect

8 Addr

FSR reg

STATUS reg

8

Instruction

Decode &

Control

OSC1/CLKIN

OSC2/CLKOUT

Timing

Generation

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

Brown-out

Reset(2)

3

MUX

ALU

8

W reg

PIC16C7X

PORTA

PORTB

PORTC

RA0/AN0

RA1/AN1

RA2/AN2

RA3/AN3/VREF

RA4/T0CKI

RA5/SS/AN4

RB0/INT

RB7:RB1

RC0/T1OSO/T1CKI

RC1/T1OSI/CCP2

RC2/CCP1

RC3/SCK/SCL

RC4/SDI/SDA

RC5/SDO

RC6/TX/CK

RC7/RX/DT

MCLR VDD, VSS

Timer0

Timer1

Timer2

A/D

CCP1

CCP2

Synchronous

Serial Port

USART

Note 1: Higher order bits are from the STATUS register.

2: Brown-out Reset is not available on the PIC16C73.

© 1997 Microchip Technology Inc.

DS30390E-page 11

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