简单串行I2C总线和8位并行总线之间的通信接口 NXP I2C-bus and SMBus controller PCA9564 Easy interfacing between serial I2C-bus and 8-bit parallel communication bus This simple-to-use bus controller makes it easy to create a bidirectional interface between the serial I2C-bus and the 8-bit parallel bus system used by most standard microcontrollers and microprocessors. Key features Manufactured in a high-volume CMOS process, the NXP 4 Compatible with I2C-bus and SMBus PCA9564 provides the interface between the serial I2C-bus 4 Compatible with Intel 8051 and NXP 80C51 architectures or SMBus and most standard parallel-bus microc……