PIC16F883-ESLASHSO. datasheet(233/338 Pages) MICROCHIP

233 / 338 page

 2006-2012 Microchip Technology Inc.

DS41291G-page 233

PIC16F882/883/884/886/887

14.11 In-Circuit Debugger

The PIC16F882/883/884/886/887-ICD can be used in

any of the package types. The devices will be mounted

on the target application board, which in turn has a 3 or

4-wire connection to the ICD tool.

When the debug bit in the Configuration Word

(CONFIG<13>) is programmed to a ‘0’, the In-Circuit

Debugger functionality is enabled. This function allows

simple debugging functions when used with MPLAB®

ICD 2. When the microcontroller has this feature

enabled, some of the resources are not available for

general use. See Table 14-10 for more detail.

For more information, see “Using MPLAB® ICD 2”

(DS51265), available on Microchip’s web site

(www.microchip.com).

14.11.1 ICD PINOUT

The devices in the PIC16F88X family carry the

circuitry for the In-Circuit Debugger on-chip and on

existing device pins. This eliminates the need for a

separate die or package for the ICD device. The pinout

for the ICD device is the same as the devices (see

Section 1.0 “Device Overview” for complete pinout

and pin descriptions). Table 14-10 shows the location

and function of the ICD related pins on the 28 and 40

pin devices.

TABLE 14-10: PIC16F883/884/886/887-ICD PIN DESCRIPTIONS

Note: The user’s application must have the

circuitry

required

support

ICD

functionality. Once the ICD circuitry is

enabled, normal device pin functions on

RB6/ICSPCLK and RB7/ICSPDAT will not

be usable. The ICD circuitry uses these pins

for communication with the ICD2 external

debugger.

Pin (PDIP)

Name

Type

Pull-up

Description

PIC16F884/887 PIC16F882/883/886

ICDDATA

TTL

—

In-Circuit Debugger Bidirectional data

ICDCLK

—

In-Circuit Debugger Bidirectional clock

MCLR/VPP

—

Programming voltage

11,32

VDD

P—

12,31

8,19

VSS

P—

Legend: TTL = TTL input buffer, ST = Schmitt Trigger input buffer, P = Power, HV = High Voltage

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