MPLAB
®
ICD 4 User’s Guide
DS50002596A-page 30 2017 Microchip Technology Inc.
3.7 SETTING UP THE TARGET BOARD
The target must be set up for the type of target device to be used.
3.7.1 Using Production Devices
For production devices, the debugger may be connected directly to the target board.
The device on the target board must have built-in debug circuitry in order to debug with
the MPLAB ICD 4 In-Circuit Debugger. Consult the device data sheet to see whether
the device has the necessary debug circuitry, i.e., it should have a “Background
Debugger Enable” Configuration bit.
The target board must have a connector to accommodate the communications chosen
for the debugger. For connection information, see Section 2.2 “Debugger to Target
Communication”.
3.7.2 Using ICE Devices
For ICE devices, an ICE header board is required. The header board contains the
hardware that is necessary to emulate a specific device or family of devices. For more
information on ICE headers, see the “Processor Extension Pak and Header
Specification” (DS50001292).
A transition socket is used with the ICE header to connect the header to the target
board. Transition sockets are available in various styles to allow a common header to
be connected to one of the supported surface mount package styles. For more
information on transition sockets, see the “Transition Socket Specification” (DS51194).
Header board layout will be different for headers or processor extension packs. For
connection information, see Section 2.2 “Debugger to Target Communication”.
3.7.3 Powering the Target Board
There are two configurations for powering MPLAB ICD 4 and the target board:
• The target board is powered via an external power supply.
• The target board is powered through the MPLAB ICD 4, which is connected to an
external power supply.
An external power supply, Part Number AC002014, can be purchased from Microchip
Direct (www.microchipdirect.com).
If you have not already done so, connect the MPLAB ICD 4 to the target board using
the appropriate cables (see Section 3.6 “Connecting the Target Board”). Then, power
the target board.
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