PIC16C72T-10/L 查看數據表（PDF） - Microchip Technology

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PIC16C72T-10/L

8-Bit CMOS Microcontrollers with A/D Converter

Microchip Technology 

PIC16C7X

FIGURE 3-3: PIC16C74/74A/77 BLOCK DIAGRAM

Device Program Memory Data Memory (RAM)

PIC16C74

PIC16C74A

PIC16C77

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

Timer0

MCLR VDD, VSS

Timer1

Timer2

Parallel Slave Port

A/D

PORTA

PORTB

PORTC

PORTD

PORTE

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

RD7/PSP7:RD0/PSP0

RE0/RD/AN5

RE1/WR/AN6

RE2/CS/AN7

CCP1

CCP2

Synchronous

Serial Port

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

2: Brown-out Reset is not available on the PIC16C74.

USART

DS30390E-page 12

© 1997 Microchip Technology Inc.

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