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USB-8451传输数据时,是否是先传输最高位?

硬件: Industrial Communications>>CAN

问题: 我有一个USB-8451设备,我想知道这个设备传输数据时,是先传最高位还是最低位?

解答: USB-8451遵守SPI标准,而SPI标准首先传递和接收最高位(MSB)。当读写SPI的数据寄存器时,没有可选的方式去翻转位。

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报告日期: 05/02/2007
最近更新: 10/28/2007
文档编号: 491IIO21

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