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Technical Support Support Resources
Product Information |
MCB2140: How to Re-Enable JTAG on LPC21xx DevicesInformation in this article applies to:
QUESTIONI mistakenly disabled JTAG communications on my MCB2140 board and want to re-enable it. I've tried re-programming or erasing flash using the NXP LPC2000 Flash Utility, but every time I try to connect I get the message: Cannot communicate with test board! My serial connections are correct. How can connect to the device to re-enable JTAG? ANSWERThe following low-level flash erase procedure re-enables JTAG for the MCB2140 evaluation board. This procedure also disables the watchdog timer.
The flash is now erased. You may now debug and download via JTAG as before. MORE INFORMATION
SEE ALSOLast Reviewed: Thursday, February 11, 2021 | ||||||||||
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