用于在ccs simulator平台 对tms320c5402dsp实现对am调制与解调，程序对mcbsp多缓冲串口进行了软模拟，利用DMA传输和中断，对学习dsp的初学者有很大参考价值-this program is applied to AM modulation and demodulation in DSP C54x chip. and achieves data transmission control between program and data space.