【摘要】 DSP芯片TMS320C54x提供高速、双向、多通道缓冲串行口McBSP,它可以与其他的TMS320C54x器件或其它串口器件通讯。串行SPI通信协议是一种标准的通信协议,很多场合下都是采用这种机制。本文阐述了基于TMS320VC5410的多通道缓冲串行口(McBSP)的特点及其SPI协议的串口配置方法。提出了多通道缓冲串行口在频率合成技术中的一个新应用实例,给出了硬件设计方法和软件流程,并提出了设计过程中应该注意的若干问题。更多还原

【Abstract】 The DSP chip TMS320C54x offers the fast, two-dimensional Multichannel Buffered serial ports (McBSP), which can be used to communicate with other TMS320C54x. The serial peripheral interface (SPI) is a standard communication protocol, which is used in many fields. This paper introduces the specialty of the Multichannel Buffered serial port (McBSP) and how to configure the interface of the SPI protocol, also brings forward a new application using the Multichannel Buffered serial port in the technology of DDS. It sets forth the way of hardware design and software design flow, some problems which should be noticed in the process of the software debugging are also put forward.更多还原