dsp串口通信，TMS320C5416 DSP芯片和MAXIM公司的MAX3111异步串行收发器，以SPI方式进行直接接口，实现同步到异步RS-232数据的传输的转换。-dsp serial communication, TMS320C5416 DSP chip and MAXIM companies, MAX3111 asynchronous serial transceivers directly interface to SPI mode, synchronous to asynchron