此为SPI通信模块，用于SPI方式1和方式3模式,This is the SPI communication module for the SPI mode 1 and mode 3 mode

一个很好的At91sam7S64通过SPI读写Flash,AT91SAM7S64 a good read and write Flash through SPI

DOS下通过南桥SPI Controller读写BIOS flash信息的example code，汇编代码-DOS, read and write BIOS flash information through the South Bridge SPI Controller, example in assembly code