Excuse me ,
where can I download FRDM-KV10Z example code about Keil C?
You can find code examples for the FRDM-KV10Z with Keil at https://mcuxpresso.nxp.com/en/select. First you just have to search for the board you are using (KV10Z) and the select "Keil" as the IDE you will be working on.
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