On removing J3, FX3 VBUS from USB connector's VBUS will be disconnected and the device won't enumerate as host connection won't be detected by FX3
VBUS is not only used to power up the FX3 but is used for build the USB connection between.
VBATT pin is used for self power mode device. But in SuperSpeed Explorer kit the VBATT Pin is NC. So you can't use SuperSpeed Explorer kit (CYUSB3KIT-003) in Self Power Mode
Please let me know the reason to enable self power mode in SuperSpeed Explorer kit (CYUSB3KIT-003)
The USB driver for FX3 necessitates that the gadget has the option to distinguish Vbus USB 3.0 is a physical SuperSpeed Cheap Essay Writing Services transport joined with a physical USB. The documentation expresses that when both are associated, the VBUS line.
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Now I've tried self powered mode, it works, when running USBBulkSourcSinkLE, the example continue to run when the PC sleep/restart/poweroff/poweron. Had the example response to any USB commands during these processes? During these processes the PC will send low power/reset commands to the device.
Apologies for late reply.
Please let me know the method you followed to check the bulksrcsink example.
CYUSB3KIT-003 was in USB Boot mode or I2C EEPROM boot mode?
On using the default, bulksrcsink example you will get the USB LOGs (UART debug prints). Can you share the debug prints.
The below are the logs when the bulksrcsink firmware is programmed through USB