PIC16LF648AT-I/ML 查看數據表（PDF） - Microchip Technology

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PIC16LF648AT-I/ML

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

Microchip Technology 

PIC16F627A/628A/648A

FIGURE 5-15:

RBPU

BLOCK DIAGRAM OF THE RB7/T1OSI/PGD PIN

VDD

P weak pull-up

To RB6

Data Bus

WR PORTB

WR TRISB

D

Q

CK Q

Data Latch

D

Q

CK Q

TRIS Latch

TMR1 oscillator

VDD

RB7/T1OSI/

PGD pin

VSS

RD TRISB

T10SCEN

RD PORTB

Serial Programming Input

Set RBIF

From other

RB<7:4> pins

Q

D

EN

Schmitt

Trigger

Q

D

EN

TTL

input

buffer

Q1

Q3

DS40044F-page 42

© 2007 Microchip Technology Inc.

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