内有CH452中文资料，另附上基于AVRmega16的8*8键盘驱动-CH452 information, there are Chinese, followed AVRmega16 based on the 8* 8 keyboard driver

CH452驱动，完成键盘扫描以及指示灯控制。IO模拟、mega单片机-CH452-driven, the completion of the keyboard scanning and LED control. IO simulation, mega SCM