MCB2300: JTAG COMMUNICATION ERROR
Information in this article applies to:
I have misprogrammed the LPC2368/LPC2378 device on my MCB2300 Board. I know that I can make a device unusable when I program a wrong PLL value or miss-programmed the JTAG pins. When I try to connect, always get:
JTAG Communication Failure
Is there a way to recover the device?
First, check to see if you can erase the device using ULINK by reducing the Max JTAG Clock under Project — Options — Debug — ULINK Settings to 100KHz. With ULINK2 you may use Max JTAG Clock: RTCK which uses the RTCK line for automatic clock adjustment.
If this fails, you must use the IAP loader using FlashMagic and a serial COM cable.
The following Discussion Forum threads may provide information related to this topic.
Last Reviewed: Tuesday, March 27, 2007
of your data.