PIC16LF648AT-I/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LF648AT-I/ML

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

Microchip Technology 

PIC16F627A/628A/648A

FIGURE 5-9:

RBPU

SPEN

BLOCK DIAGRAM OF

RB1/RX/DT PIN

VDD

Weak

P Pull-up

VDD

USART Data Output

1

Data Bus

DQ

0

WR PORTB

CK Q

Data Latch

DQ

RB1/

RX/DT

VSS

WR TRISB

Peripheral OE(1)

CK Q

TRIS Latch

RD TRISB

Q

TTL

Input

Buffer

D

EN

RD PORTB

USART Receive Input

Schmitt

Trigger

Note 1: Peripheral OE (output enable) is only active if

peripheral select is active.

FIGURE 5-10:

RBPU

SPEN

BLOCK DIAGRAM OF

RB2/TX/CK PIN

VDD

Weak

P Pull-up

VDD

USART TX/CK Output

1

Data Bus

DQ

0

WR PORTB

CK Q

Data Latch

DQ

RB2/

TX/CK

VSS

WR TRISB

Peripheral OE(1)

CK Q

TRIS Latch

RD TRISB

Q

TTL

Input

Buffer

D

EN

RD PORTB

USART Slave Clock In

Schmitt

Trigger

Note 1: Peripheral OE (output enable) is only active if

peripheral select is active.

© 2007 Microchip Technology Inc.

DS40044F-page 37

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