PCA9555 16bit I2C-bus and SMBu
The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMBus applications and ...
The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMBus applications and ...
Although Stellaris microcontrollers have generous internal SRAM capabilities, certain applicationsmay have data storage requirements that exceed the 8...
The ISO7220 and ISO7221 are dual-channel digital isolators. To facilitate PCB layout, the channels are orientedin the same direction in the ISO7220 an...
基于LabVIEW和單片機的空調溫度場測量系統的研究:室內溫度是空調系統舒適性的重要指標,對其及時、準確地測量顯得非常重要。介紹單片機AT89C51 和數字式、單總線型溫度傳感器DS18B20 組成矩形測量網絡采集空調室內40 點溫度,LabVIEW作為開發平臺,二者之間通過串口實現數據通信,利用L...
PC機之間串口通信的實現一、實驗目的 1.熟悉微機接口實驗裝置的結構和使用方法。 2.掌握通信接口芯片8251和8250的功能和使用方法。 3.學會串行通信程序的編制方法。 二、實驗內容與要求 1.基本要求主機接收開關量輸入的數據(二進制或十六進制),從鍵盤上...