Description: The so-called matrix the keyboard is to point to: use article m I/O it quad input port, with n I/O wire column input port, to control mXn a keyboard, each keyboard has its own coordinates (m, n).
To Search:
File list (Check if you may need any files):
4_矩阵键盘\STARTUP.A51
..........\STARTUP.lst
..........\STARTUP.obj
..........\矩阵键盘
..........\矩阵键盘.c
..........\矩阵键盘.hex
..........\矩阵键盘.LST
..........\矩阵键盘.M51
..........\矩阵键盘.OBJ
..........\矩阵键盘.Opt
..........\矩阵键盘.plg
..........\矩阵键盘.Uv2
..........\矩阵键盘_Opt.Bak
4_矩阵键盘
Download