2个IO口识别6个按键
2IO口识别6个按键...
2IO口识别6个按键...
IO并行口直接驱动LED显示...
The CAT9534 is an 8-bit parallel input/output portexpander for I²C and SMBus compatible applications.These I/O expanders provide a simple solutio...
IO口模拟串口通讯C源程序...
dsp中的扩展io口的算法,基于TI公司的5509这款芯片。...