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Aporte original por: Minho ,

Texto:

Hey Arbaman, what do you mean exactly when you say "''CAM_EXT_LDO_EN seems to be missing too''"? Do you mean the signal or something physical?

I don't remember probing that before but looking at the schematic, it is connected to a UART RTS (Request To Send) pin on the CPU (maybe they ran out of GPIO's!?). Normally, an RTS will go high to initiate a conversation so that's probably what they do here as well; RTS goes high and enables U3200. If you not seeing a signal, you could always pull it high via PP1V8 (or use a DCPS) to see if that enables the camera.

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open