PIC16F631 datasheet(14/294 Pages) MICROCHIP

номер детали	PIC16F631

подробное описание детали	20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PDF	294 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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14 / 294 page

PIC16F631/677/685/687/689/690

DS41262D-page 12

FIGURE 1-4:

PIC16F687/PIC16F689 BLOCK DIAGRAM

Power-up

Timer

Oscillator

Start-up Timer

Power-on

Reset

Watchdog

Timer

Brown-out

Reset

RB4

RB5

RB6

RB7

Flash

Program

Memory

Data Bus

Program

Bus

Instruction Reg

Program Counter

Direct Addr

RAM Addr

Addr MUX

Indirect

Addr

FSR Reg

STATUS Reg

MUX

ALU

W Reg

Instruction

Decode and

Control

Timing

Generation

OSC1/CLKI

OSC2/CLKO

PORTA

8-Level Stack (13-bit)

2K(1)/4K x 14

VDD

RA0

RA1

RA2

RA3

RA4

RA5

INT

Configuration

Internal

Oscillator

MCLR

Block

PORTC

RC0

RC1

RC2

RC3

RC4

RC5

RC6

RC7

PORTB

VSS

SDO

SDI/ SCK/

Synchronous

Serial Port

SDA SCL

Data

EEPROM

256 Bytes

EEDAT

EEADR

RAM

File

Registers

128(1)/256 bytes

Note

PIC16F687 only.

Timer0

Timer1

Analog Comparators

Analog-To-Digital Converter

C1IN- C1IN+ C1OUT

VREF

and Reference

C2IN- C2IN+ C2OUT

AN0 AN1 AN2 AN3 AN4 AN5 AN6

AN8 AN9 AN10 AN11

AN7

T1G

T1CKI

T0CKI

EUSART

TX/CK

Ultra Low-Power

Wake-up

ULPWU

RX/DT

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