AC244036 datasheet(34/78 Pages) MICROCHIP

34 / 78 page

Optional Debug Headers

DS51292T-page 34

 2006-2012 Microchip Technology Inc.

AC162062, AC162079, AC162087, AC162091

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 these debug headers, use the following

information.

Header Setup and Operation – AC162062

For this header, there are no jumpers/switches. MPLAB IDE will use its selected device

to choose the correct device to emulate.

Test points are available on this header to check the following: VDD, VDDCORE and

ground.

The PICDEM™ HPC Explorer Board is 5V, whereas the ICD device on the header is

3.6V max. Therefore, modification to the demo board is necessary before the header

can be used.

Switch S3 should be set to ICE.

Jumper J2 must be connected as shown in Figure 1 to modify the operating volt-

age. See demo board documentation for more information.

FIGURE 1:

DEMO BOARD J2 CONNECTIONS

Header Setup and Operation – AC162079, AC162087, AC162091

For these headers, there are no jumpers/switches. MPLAB IDE will use its selected

device to choose the correct device to emulate.

Test points are available on this header to check the following: VDD, VDDCORE and

ground.

Header Limitations

See the “Limitations” section in your debug tool online Help file for details.

Header

ICE/ICD Device

Board Assembly Number

AC162062

PIC18F87J10-ICE

02-01830

AC162079

PIC18F85J90-ICE

AC162087

PIC18F87J50-ICE

AC162091

PIC18F87J11-ICE

CAUTION

This header cannot be plugged directly into the PICDEM™ HPC Explorer Board!

Device damage will result.

VIN

ADJ

+5V

For V = 3.3V:

R = 1.18 k

 (1%)

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