IMX93EVK no uart log

[lykaios1203]

Bought imx93evk, power it up and connect the USB DBG to my pc and open up the tty to check the log with 115200, but failed to see any log, after flashing with sudo ./uuu LF_v6.6.52-2.2.0_images_IMX93EVK.zip, still can not see usrt log, what do i miss?

[lykaios1203]

pin attached

[danielchen · Accepted solution]

HI lykaios1203

The i.MX 93 Applications Processor has six independent UART ports (UART1 – UART6). On the MCIMX93-EVK board, UART1 is used for Cortex-A55 core, and UART2 is used for Cortex-M33 core. A single chip USB to dual UART, JTAG, and I2C is used for UART debug and remote debug. The part number is FT4232H. The developers can download the driver from FTDIwebsite.

After the driver for FT4232H is installed, the PC will enumerate four COM ports when the USB cable is plugged into the J1401 connector, the third port is used for A55 and fourth for M33 system debugging. 

Regards

Daniel

[lykaios1203]

i found out there are actually multiple port being open and i was only targeting the first, which ends up no output, thanks