Description: 8051F340' s USB-based development process, which includes static libraries, can be directly carried out in the KEIL compiler, I have personally test a success.
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C8051F340_defs.h
compiler_defs.h
UpgradeNotes.txt
USB_API.h
USBX_F34X.LIB
USBX_F34X_LIB.txt
USBX_F34X_SDCC.LIB