Contents

• debug-uart
  • Debugging tools Cable connection method
    • NHX SOM IO voltage
  • USB-UART tools Program
    • usb to ttl Program Settings

debug-uart

Serial port tool purchase link FTDI-US or FTDI-UK Shop USB TTL Serial Cable Series

Debugging tools Cable connection method

GND of the evaluation board to GND of the USB to serial tool
TX of the evaluation board to RX of the USB to serial tool
RX of the evaluation board to TX of the USB to serial tool

NHX SOM IO voltage

NHX6018: +1.8V
NHX5018: +1.8V
NHX4019: +3.3V
NHX9342: +1.8V

USB-UART tools Program

usb to ttl Program Settings

(FT232R USB UART conversion cable is recommended) Connect to the serial port of the computer

Use an available PC COM port with the following settings: • Speed: 115200 bits per second • 8 data bits • 1 stop bit • 0 parity bit • No flow control