PIC16F628A-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

PIC16F628A-I/SO

Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC16F627A/628A/648A

FIGURE 5-7:

BLOCK DIAGRAM OF RA7/OSC1/CLKIN PIN

To Clock Circuits

VDD

Data Bus

D

Q

WR PORTA

WR TRISA

CK Q

Data Latch

D

Q

CK Q

TRIS Latch

RA7/OSC1/CLKIN Pin

VSS

RD TRISA

FOSC = 100, 101(1)

RD PORTA

Q

D

EN

Schmitt Trigger

Input Buffer

Note 1: INTOSC with CLKOUT and INTOSC with I/O.

DS40044F-page 34

© 2007 Microchip Technology Inc.

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