Datasheet

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: V
DD, 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.
1. Switch S3 should be set to ICE.
2. 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: V
DD, 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.
J2
pin1
VINADJ+5V
R
For V = 3.3V:
R = 1.18 k (1%)