USB development board for the HID keyboard, which has the original code, can be used directly KEIL compiler passed, another schematic.

Packet : 3970980hidkeybroad.rar filelist
15\hid_kb\dscr.a51
15\hid_kb\dscr.LST
15\hid_kb\dscr.OBJ
15\hid_kb\EZUSB.LIB
15\hid_kb\fw.c
15\hid_kb\fw.LST
15\hid_kb\fw.OBJ
15\hid_kb\hid_kb
15\hid_kb\hid_kb--
15\hid_kb\hid_kb--.hex
15\hid_kb\hid_kb--.lnp
15\hid_kb\hid_kb--.M51
15\hid_kb\hid_kb--.plg
15\hid_kb\hid_kb.hex
15\hid_kb\hid_kb.iic
15\hid_kb\hid_kb.lnp
15\hid_kb\hid_kb.M51
15\hid_kb\hid_kb.Opt
15\hid_kb\hid_kb.plg
15\hid_kb\hid_kb.Uv2
15\hid_kb\hid_kb_Opt.Bak
15\hid_kb\hid_kb_Uv2.Bak
15\hid_kb\lp.h
15\hid_kb\lpregs.h
15\hid_kb\periph.c
15\hid_kb\periph.LST
15\hid_kb\periph.OBJ
15\hid_kb\syncdly.h
15\hid_kb\USBJmpTb.OBJ
15\USBKB.SchDoc
15\hid_kb
15

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