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2395171_en-US
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Issue Summary
- Flashed the provided base image to the microSD card using Win32DiskImager.
- Set SW1 = 11 for SD card boot.
- Connected the board to the PC using one USB-C cable, first through J1 (Debug UART) and later through J3 (USB Device) for USB download testing. The board is powered through J25.
- The board powers on successfully (power LED is ON).
SD Boot Mode
- Connected J1 to the PC.
- Opened PuTTY at 115200, 8N1, No Flow Control.
- Tried all detected COM ports (COM3, COM4, COM5, COM6).
- Pressed RESET and power-cycled the board multiple times.
- No boot logs or serial output are displayed.
USB Serial Downloader Mode
- Changed SW1 = 01 for USB Serial Downloader mode.
- Disconnected J1 and connected J3 to the PC.
- Windows detects an Unknown USB Device (Device Descriptor Request Failed) with Code 43.
- uuu.exe -lsusb does not detect the board.
Can anyone please help. FRDM-IMX95 #NXP iMX95
Hi @shuru_2604
Your computer does not appear to have successfully updated its USB driver automatically. You can click the following link to download the CH344 driver and install it yourself.
https://file.wch.cn/download/file?id=312https://www.wch.cn/downloads/CH343CDC_ZIP.html
B.R
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