PIC16F87-E/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F87-E/SO

18/20/28-Pin Enhanced Flash MCUs with nanoWatt Technology

Microchip Technology 

FIGURE 5-10:

BLOCK DIAGRAM OF RB2/SDO/RX/DT PIN

SSPEN

SDO

1

0

PIC16F87/88

RBPU(2)

SPEN

DT

1

0

Data Bus

WR PORTB

Data Latch

DQ

CK

WR TRISB

DT Drive

TRIS Latch

D

Q

CK Q

RD TRISB

RD PORTB

RX/DT

Schmitt Trigger

Buffer

SSPEN + SPEN

VDD

P

Weak

Pull-up

VDD

P

N

I/O pin(1)

VSS

TTL

Input

Buffer

Q

D

EN

RD PORTB

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.

 2002-2013 Microchip Technology Inc.

DS30487D-page 61

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