Other Parts Discussed in Thread: AM6442 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1433536/processor-sdk-am64x-unable-to-transmit-on-uart3-to-uart6-gpmc-bootmode…
Part Number: AM6442 Other Parts Discussed in Thread: UNIFLASH Problem description:
After the AM6442 chip on the self-designed PCB enters DFU boot mode, when using USB 2.0 to program SBL and APP, the host shows: "Unknown USB device (Device descriptor request…
Could you please check the PVDD? It should not be the problem of the EVM board.
Except the PVDD, I also advise to check the input signa if it has coupled some noise to cause the sizzling.
In addition, when recording, please try a lowering the gain set…