SPI0 control 1 register.
CLK_MODE | SPI Bus clock (SPI_CLK) mode bits. 0: SPI Bus clock (SPI_CLK) is off when CS inactive 1: SPI_CLK is delayed one cycle after SPI_CS inactive 2: SPI_CLK is delayed two cycles after SPI_CS inactive 3: SPI_CLK is always on. |
RXFIFO_RST | SPI0 RX FIFO reset signal. Set this bit and clear it before SPI0 transfer starts. |