PIC18LF1320-I/PSQTP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF1320-I/PSQTP

18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F1220/1320

FIGURE 10-8:

BLOCK DIAGRAM OF RB1/AN5/TX/CK/INT1 PIN

EUSART Enable

TX/CK Data

TX/CK TRIS

RBPU(2)

Analog Input Mode

Data Bus

WR LATB

or

PORTB

WR TRISB

Data Latch

DQ

CK

TRIS Latch

DQ

CK

RD TRISB

RD LATB

RD PORTB

1

0

VDD

P

Weak

Pull-up

RB1 pin(1)

TTL

Input

Buffer

Q

D

EN

INT1/CK Input

Schmitt

Trigger

Input

Buffer

RD PORTB

Analog Input

Mode

To A/D Converter

Note 1: I/O pins have diode protection to VDD and VSS.

2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (INTCON2<7>).

© 2007 Microchip Technology Inc.

DS39605F-page 91

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