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使LPC2300系列ARM的SSP分别工作在SPI主机模式下和SPI从机模式下,代替独立SPI和其它SPI外设通信,但是在从机模式下工作时,SSP时钟由SPI主机提供。
LPC2300 series of ARM’s SSP work in SPI master mode and SPI slave mode, instead of a separate SPI and other SPI peripherals to communicate, but in slave mode, the SSP clock provided by the SPI host.