How to activat external Clock LPC54102

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How to activat external Clock LPC54102

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edelbertgreiner
Contributor I

Emulator stops with "redlink Interface error 255" after enabling external clock.

Is the Emulator "LPC-LINK 2" useable when processor is running with external clock?

How shall I enable external clock correctly?

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ZhangJennie
NXP TechSupport
NXP TechSupport

Hi Edelbert Greiner ,

"LPC-LINK 2" is usable when processor is running with external clock.

If you use LPCXpresso54102 demo board, there is only 32.768k external RTC clock on board, no external clock for CLKIN.

If you are sure you have external clock soldered and workable, I suggest you take use of MCUXpresso Config Tool to configure external clock. I ever tested on LPCXpresso54608 board, external clock worked well during debug. refer this thread:

Switch between external crystal oscillator and fro on LPC546xx 

Have a great day,
Jun Zhang

 

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