A Clever Application of the Serial Port of Single Chip Process
Zhihong Yan · 2000
Serial port is usually used as communication port.A method of how to take advantage of the serial port of single chip process is introduced.With some surrounding chips,one or several parallel input/output ports can be composed and used in the state demonstration and keyboard control of signal engine.In this way the problems of state demonstration and keyboard control can be solved and the extend of nimble control of the signal engine improved,and in addition,the state can be guarded anytime.