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…
Hi Lydia:
There is already internal 1kOhm resistor for discharge, and our EVM design just has a 0 ohm resistor here between VEE_DIS and VEE.
For example, in my circuit, VEE_DIS is a 750K resistor. Is this a VGL Fail issue?
If so, what is the cause?
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