PCA9554.zip - 三片pca9554串联在一起,用IIC A0 A1 A2来分地址驱动继电器 lm3s1138I2C.rar - 程序包括:(1)数字温度传感器LM75A,(2)IO扩展芯片PCA9554,(3)EEPROM存储器24C02,(4)模拟RAM存储器
以及I2C总线的详细介绍 PCA9535IIC.zip - cc2530控制PCA9535的IO口扩展芯片 PCA953X-driver-for-stm32.rar - PCA953X driver for stm32,the code had been tested and can be ported to all stm32 series MCU. STM32a9535aCAN.zip - IO口扩展芯片PCA9535,CAN,测试完全通过