Figure 4-1 Connecting To The Uart0 Debug Pins Of Jh-7110 Devkit - StarFive JH-7110 DevKit Quick Start Manual

| 4 - Reference
1. Connect the jumper wires between the USB-to-Serial converter and the
page 7) pins of JH-7110 DevKit debug header. The following figure is an example:

Figure 4-1 Connecting to the UART0 Debug Pins of JH-7110 DevKit

Tip:
You can also use the USB-to-Serial converter of Type-C port to connect Type-C debug
port directly.
2. Before you recover the bootloader, double check the boot mode jumpers (Switch_2) on your
board has already been switched to UART mode (RGPIO_1,RGPIO_0: 1,1).
Tip:
For more information, refer to
3. Configure the serial port baud rate settings to
4. Power up, you will see an output like this:
CCCCCCCCCCCCCCCCCCCCC
5. Transfer the latest recovery binary (jh7110-recovery-<Version>.bin) by XMODEM.
The recovery binary is located at:
recovery.
Tip:
<Version> indicates the version number of the recovery file. Make sure you use the
latest version.
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3Y3 3Y3
TXD TXD
RXD RXD
GND GND
+5V +5V
Boot Mode Settings (on page
bps.
115200
https://github.com/starfive-tech/Tools/tree/master/
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UART0 Debug (on
11).
28