The functions and registers of TL16C554 is introduced in this paper,and a hardware circuit using TL16C554 for realizing multiple serial communication is described,and a software design of MPC860 initializing TL16C554 is given.

• 文中介绍了TL16C554的性能及与通信有关的寄存器。 具体描述了一种利用TL16C554进行多路串口通信的硬件应用电路,MPC860初始化及TL16C554的软件编程。