键盘扫描 并用液晶显示相应的数字 液晶为 nokia 5110 键盘为自制 4*4键盘（市面上也有售） 单片机为 s12xs128-Keyboard scanning and digital LCD LCD nokia 5110 keypad the homemade 4* 4 keyboard (there are also sold separately) microcontroller as s12xs128

飞思卡尔单片机xs128 1602液晶源代码-Freescale microcontroller xs128 1602 LCD source code

一个测试mc9s128的源码，测试了spi，sci，串口通信，ad采样，lcd液晶驱动-A test mc9s128 source code, test spi, sci, serial communication, ad sampling lcd LCD driver