单片机msp430，c编程定时器增计数模式中断控制IO口输出高低电平，通过改变计数个数CCR0，可用于测试IO口输出频率范围-Microcontroller wireless network and I MSP430-the c programming timer counts up mode interrupt control IO port output high and low, can be used to test IO port output frequency range by c

msp430 f149 薄膜开关 键盘扫描程序 并且液晶12864显示 键值 亲自测试过 可以使用 不过要加上拉电阻-msp430 f149 membrane switch keypad scanner and LCD 12864 display keys personally tested, but can be used to add pull-up resistor