PIC16F87/88

DS39607B-page 4

 2002 Microchip Technology Inc.

FIGURE 2-6:

PIC16F88 28-PIN QFN

TABLE 2-1:

PIN DESCRIPTIONS (DURING PROGRAMMING): PIC16F87/88

16

2

NC

NC

RA7/OSC1/CLKI

RA6/OSC2/CLKO

NC

RB7/AN6/PGD/T1OSI

RB6/AN5/PGC/T1OSO/T1CKI

7

PIC16F88

1

3

6

5

4

15

21

19

20

17

18

NC

Note 1: Location of CCP1 function is determined by CCPMX.

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

* To activate the Programming mode, high voltage needs to be applied to the MCLR input. Since MCLR is

used for a level source, this means that MCLR does not draw any significant current.