File list (Check if you may need any files):
usb-232-v2\ch375.h
..........\common.h
..........\LCD12864.h
..........\LCD12864.LST
..........\STARTUP.A51
..........\STARTUP.LST
..........\STARTUP.OBJ
..........\USB\80C51和CH375的USB打印机驱动设计.pdf
..........\...\ch372.pdf
..........\...\CH372DS2.pdf
..........\...\CH375.pdf
..........\...\ch375ds2.pdf
..........\...\基于CH375 实现单片机读写U盘.pdf
..........\usb-232
..........\usb-232.c
..........\usb-232.hex
..........\usb-232.lnp
..........\usb-232.LST
..........\usb-232.M51
..........\usb-232.OBJ
..........\usb-232.Opt
..........\usb-232.plg
..........\usb-232.Uv2
..........\usb-232_Opt.Bak
..........\usb-232_Uv2.Bak
..........\USB
usb-232-v2