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SPI的2-bit传输模式有什么限制? 日期：2015-07-09
对于NuMico® M051BN、NUC122、NUC130和NUC140系列,SPI控制器支持single和burst两种传输模式.但是当使用2-bit传输模式时,SPI控制器只能用single模式(TX_NUM(SPI_CNTRL[9:8])=0x00). 因为在此2-bit传输模式下,SPI_Tx0和SPI_Rx0寄存器被映射到通道0 (MISOx0, MOSIx0),而SPI_Tx1和SPI_Rx1寄存器则被映射到通道1 (MISOx1, MOSIx1).
| 产品: | 微控制器 ,Arm Cortex-M0 微控制器 ,M051 系列 ,NUC120 / 122 / 123 / 220 USB 系列 ,NUC130 / 230 CAN 系列 ,NUC140 / 240 USB+CAN 系列 |
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| 应用: | |
| 功能: | Peripherals,Connectivity,SPI |
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