The is a USB-to-UART bridge adapter (often based on CH340 , CP2102 , or PL2303 chips). No official “JXMCU” driver site exists — instead, you install the generic chip driver.
To download the full driver package for the JXMCU USB-C09FX, follow these steps: jxmcu usbsc09fx driver download full
Yes, but only for serial wire debug (SWD). Full JTAG requires an additional adapter like J-Link. The USBSC09FX provides the virtual COM port needed for ST-Link utilities. The is a USB-to-UART bridge adapter (often based