【摘要】 PC165 5 0D是NS公司生产的异步通信芯片 ,在通信系统的实时性要求较高时 ,可通过通用异步通信芯片PC165 5 0D来实现系统的高速串行通信 ,从而增强系统的通信接口控制能力。文中介绍了PC165 5 0D的性能及与通信有关的寄存器 ,给出了PC165 5 0D在ADSP2 10 60与PC机通信系统中的硬件应用电路及ADSP2 10 60初始化PC165 5 0D的软件编程。更多还原

【Abstract】 PC16550D is the universal asynchronous communication chip made by National Semicondutor Company.To content the requirement of the communication system in real time processing,we can implement high speed serial interface communication of system by universal asynchronous communication chip PC16550D,meanwhile the control ability of system communication interface can be intensified.This paper provides the application features and registers related with communication of PC16550D. The application hardware circuit of communication between ADSP21060 and PC using PC16550 is introduced in detail.This paper also provides an initialization software programme of PC16550D using ADSP21060.更多还原