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For arm* multi-ice* jtag use, Fixed – Intel DBPXA250 User Manual

Page 17

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DBPXA250 and DBPXA210 Development Platforms Specification Update

17

Intel

®

DCPXA250 Processor Card

7.

For ARM* Multi-ICE* JTAG Use

Problem:

JTAG connection fails when using ARM Multi-ICE tools.

Implication:

No JTAG debugging facility is available with ARM Multi-ICE.

Workaround:

Perform the following steps to fix the problem.

Note:

This ECO does not affect the performance of other JTAG tools.

1. Cut the trace on the top of the processor card between U1 pin 3 and via to the right.

2. Add 30-AWG wire from the J3-3 to the via of U1 pin 1 on the bottom of the processor card.

Note:

Step 3 is not required for the Rev C and Rev D DCPXA250 processor cards and ARM Multi-ICE
with their own power supply.

3. Add a 30-AWG wire from J3-2 to +3.3 V.

Status:

Fixed

Board Rev:

Rev C and D

Figure 7. Wire From The J3-3 To The Via Of U1 Pin 1

Figure 8. Schematic Of JTAG Modification

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