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如果msp430g2553用来实现lcd12864驱动及4*4键盘扫描还有一个外设引脚,msp430g2553的引脚是不有些少
20Pin的G2553可用的IO为16个，驱动12864用串行需要4IO 而4*4键盘需要8IO 在加上一个外设IO 共计13个IO G2553还是胜任的~
lcd12864需要哪些引脚,要用串行输入的吗
具体的引脚要看你买的12864的型号，在datasheet上应该都会写出，一般会是串行和并行的接口方式，串行一般是 cs clk WD reset 这些引脚~
