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LS1046 RESET_REQ_B problem

Question asked by Gabor Kocsis on May 22, 2019
Latest reply on May 22, 2019 by ufedor

Hello Everybody,

 

I have faced a weird phenomenon on our custom board based on an LS1046A.

In a CPLD I've implemented a power and reset sequence. I was able to bring up our board, the Linux runs correctly from the onboard eMMC,
BUT,

the LS1046's RESET_REQ_B constantly pulled down. During the reset sequence it goes high then goeas back low
Despite of this everything seems to be OK.

But I don't understand this phenomenon.

Has anybody faced this before?

 

thanks in advance,

Gabor

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