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p1012: hdlc: when hdlc tx/rx feed with different frequency external clock, rx can not receive data

Question asked by carl peng on Dec 20, 2016
Latest reply on Dec 21, 2016 by carl peng

Hello,

 

I encounter a very strange issue about HDLC.

For the HDLC,  in my design, uses external clock, 

during debug,  find that, if feed the HDLC's rx/rx clock with different frequency clock, HDLC rx channel

will can not receive data any more.

Does it need to do some special setting for HDLC if RX/TX clock is different frequency?

Could you help to give some suggestions?

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