USB: To configure USB0 (2.0) as a Host, the USB_ID signal must be pulled to ground. On iWave carrier board, the USB signals are routed to a USB Micro-AB connector; the ID signal is automatically driven low when an external Host (OTG) adapter cable is connected.
Please note that the SOM does not include internal pull-up or pull-down resistors on the USB_ID line, so the logic state must be managed externally or via the connector assembly.
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Please find the detailed G35M product information in the below link,