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74ls165.虚拟串口驱动74SL165芯片扩展8位键盘输入
- 虚拟串口驱动74SL165芯片扩展8位键盘输入,汇编程序带注解,绝对能使用!,Virtual Serial Port Driver 74SL165 chip 8-bit extended keyboard input, the compilation of procedures with comments, absolutely can use!
74HC165_1
- 单片机的IO口扩展,使用74LS165扩展键盘-Microcontroller IO port expansion, 74LS165 extended keyboard