PIC16F87X

DS39025F-page 2

 2002 Microchip Technology Inc.

PIN DESCRIPTIONS (DURING PROGRAMMING): PIC16F87X

Pin Name

During Programming

Function

Pin Type

Pin Description

RB3

PGM

I

Low voltage ICSP programming input if LVP

configuration bit equals 1

RB6

CLOCK

I

Clock input

RB7

DATA

I/O

Data input/output

MCLR

P*

Program Mode Select

P

Power Supply

P

Ground

Legend: I = Input, O = Output, P = Power

* In the PIC16F87X, the programming high voltage is internally generated. To activate the Programming mode, high

voltage needs to be applied to the MCLR input. Since the MCLR is used for a level source, this means that MCLR

does not draw any significant current.