8255+port
8255+port技术资料下载专区,收录500份相关技术文档、开发源码、电路图纸等优质工程师资源,全部免费下载。
资源总数
500
8255+port 全部资料 500 份
设计任务及要求 1. 以8255接八个开关K1~K8
设计任务及要求 1. 以8255接八个开关K1~K8,做电子琴按键输入。 2. 以8253控制扬声器,使用简易键盘,发出相应的音阶。 要求: K1—静音 K2—发si的音493Hz K3—发la的音440Hz K4—发sol的音...
2016-02-26
145
Upload ucosii source code that can port to all cpu inlcude ARM intel M68..etc
Upload ucosii source code that can port to all cpu inlcude ARM intel M68..etc
2013-12-18
192
PC214X USB虚拟串口的例程 USB Virtual COM Port on LPC214x
PC214X USB虚拟串口的例程 USB Virtual COM Port on LPC214x
2015-08-31
26
Serial Port Complete, Programming and Circuits for RS-232 and RS-485 Links and Networks
Serial Port Complete, Programming and Circuits for RS-232 and RS-485 Links and Networks
2013-12-10
123