串行双通道DAC与单片机的接口技术

The Interface Technology of Serial Dual DAC and Micro-Controller

介绍了利用 80C196KC 单片机的 P1 口控制串行双通道 DAC 芯片 TLC5618A,用软件模拟串行通信协议的方法。给出了 TLC5618A 与 80C196KC 的连接图、接口时序及 TLC5618A 控制位配置和应用注意事项,以及发送起始信号、写一位、写指定地址控制位和数据位、同时改变 DACA 和 DACB等实现程序。并介绍了该技术在交流调速实验装置中的应用。

The methods that Serial Dual DAC TLC5618A is controlled with PORT 1 of 80C196KC Micro-controller and serial communication protocol is simulated with software are introduced. The hardware interfacing diagram and timing diagram of TLC5618A and the Micro-controller 80C196KC, TLC5618A control bits configuration, applied notice are presented. The software implement programs such as: send start signal, write a bit, write nominated address control bits and data bits, DACA and DACB outputs change at the same time are presented. The application of the interface technology in AC speed regulation experiment device is introduced.