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 10-14: BLOCK DIAGRAM OF RB7/PGD/T1OSI/P1D/KBI3 PIN

ECCP1 P1C/D Enable

RBPU(2)

P1B/D Tri-State Auto-Shutdown

P1D Data

VDD

P

Weak

Pull-up

1

To RB6 pin

0

RD LATB

Data Bus

WR LATB or

PORTB

D

Q

CK Q

Data Latch

WR TRISB

D

Q

CK Q

TRIS Latch

RB7 pin

T1OSCEN

RD TRISB

Set RBIF

RD PORTB

TTL

Input

Buffer

Q

D

EN

Schmitt

Trigger

Q1

From other

RB7:RB4 pins

PGD

QD

RD PORTB

EN

Q3

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 97

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