【摘要】 介绍了通用异步收发器SC16C2550的特点及功能,给出了以SC16C2550为核心的串行通信模块的实例,讨论了SC16C2550内部寄存器的设置及CPLD译码的实现,并给出了硬件电路设计的原理图及相应的基于Turbo C的程序.该方案已经在PC/104计算机检测与开发装置中得到了应用,证明其能安全有效地实现数据的串行通信.更多还原

【Abstract】 The UART SC16C2550 was introduced,and an example of the serial communication system based on SC16C2550 was given.The setting of the internal register of SC16C2550 and the CPLD decoding were discussed.And the hardware circuit design and the corresponding Turbo C program were given.This scheme has been used in the PC104 industry control computer detection and development device,completing safe and effective serial communication.更多还原