WCHISPTool

• via USB port

• http://www.wch-ic.com/downloads/WCHISPTool_Setup_exe.html

• version 3.4
• CH54X,CH55X,CH56X,CH57X,CH58X
• CH32F10X,CH32F20X
• CH32V00X,CH32V10X,CH32V20X,CH32V30X

CH559

CH552

USB module detect

• Find "external Interface" -> USB Module in device manager, not COM port serial interface

add to keil from WCHISPTool