这个程序是在keil软件上编写的关于LPC21XX系列arm的SPI中断范例。通过该范例可以熟悉如何编写LPC21XX系列arm的SPI中断程序。-This process is the preparation of the keil software LPC21XX series on the arm of the SPI interrupt example. Through the sample can be familiar with how to prepare LPC21XX seri