AC244002 datasheet(22/78 Pages) MICROCHIP

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Required Debug Headers

DS51292T-page 22

 2006-2012 Microchip Technology Inc.

AC162083

Header Identification

The header AC number is used for ordering the header. However, this number is not

on the debug header, as the board is often used for multiple headers by inserting

different ICE/ICD devices. To identify this debug header, use the following information.

Header Setup and Operation

Test points are available on this header to check the following: Ground (TP1), VDD

(TP2), ICD Clock (TP3), ICD Data (TP4) and ICD MCLR/VPP (TP5).

Also see the AC162083 Insert (DS51693).

POTENTIAL ISSUES

HV device selected instead of F device

If you inadvertently select a shunt regulator (HV) device and attempt to use it in a target

board designed for a non-shunt regulator (F) device, the shunt may draw excessive

current due to the lack of current-limiting circuitry on the target board and damage the

device mounted on the header.

F device selected instead of HV device

If you inadvertently select a non-shunt regulator (F) device and attempt to use it in a

target board designed for a shunt regulator (HV) device, the device may draw exces-

sive current due to the higher voltage used on a target board designed for HV devices

and damage the device mounted on the header.

HV devices cannot be powered from debug tool

Do not select in MPLAB IDE to power the target (debug header) from the debug tool (if

it supports powering the target) when using shunt regulator (HV) devices since this will

also cause the shunt to draw excessive current.

Header

ICE/ICD Device

Board Assembly Number

AC162083

PIC16F616-ICD

02-01976

CAUTION

Incorrect rotary switch (Figure 9) settings may irreparably damage

the header. Ensure rotary switch settings are correct (Table 3) before

powering or connecting the header. Do not change the rotary switch

setting while the header is powered or connected to a debug tool. Do

not power shunt regulator (HV) devices from the debug tool.

TABLE 3:

ROTARY SWITCH SETTINGS

Switch Position

Device

Switch Position

Device

PIC12HV609

PIC12F609

PIC12HV615

PIC12F615

Reserved HV

PIC12F617

PIC16HV610

PIC16F610

PIC16HV616

PIC16F616

Reserved HV

Reserved F

Reserved HV

Reserved F

Reserved HV

Reserved F

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