we use LS1043,it is unusefull when i input the command "reset" in uboot mode or "reboot" under the system,what should i do?
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Ensure that RESET_REQ_B is properly connected, so that its assertion will generate PORESET_B low pulse having at least 1 ms duration.
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Thanks a lot ,the problem had been solved,the PORESET_B low plus only 200ns duration befor.