based 44b0 plate keyboard development process has been tested, Chashangqu is 4* 4 keyboard

Packet : 476507keyboard_44b0.rar filelist
Keyboard
Keyboard\44b.h
Keyboard\44binit.s
Keyboard\ARMCMD.apj
Keyboard\Command.ncb
Keyboard\DEF.H
Keyboard\Memcfg.s
Keyboard\Option.h
Keyboard\option.s
Keyboard\Test_Main.c

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