Module esp32s2::spi0::ctrl1

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SPI control register 1

Structs

Type Aliases

  • Field CLK_MODE_13 reader - {CPOL, CPHA},1: support spi clk mode 1 and 3, first edge output data B[0]/B[7]. 0: support spi clk mode 0 and 2, first edge output data B[1]/B[6].
  • Field CLK_MODE_13 writer - {CPOL, CPHA},1: support spi clk mode 1 and 3, first edge output data B[0]/B[7]. 0: support spi clk mode 0 and 2, first edge output data B[1]/B[6].
  • Field CLK_MODE reader - SPI clock mode bits. 0: SPI clock is off when CS inactive 1: SPI clock is delayed one cycle after CS inactive 2: SPI clock is delayed two cycles after CS inactive 3: SPI clock is alwasy on. Can be configured in CONF state.
  • Field CLK_MODE writer - SPI clock mode bits. 0: SPI clock is off when CS inactive 1: SPI clock is delayed one cycle after CS inactive 2: SPI clock is delayed two cycles after CS inactive 3: SPI clock is alwasy on. Can be configured in CONF state.
  • Field CS_HOLD_DELAY reader - SPI cs signal is delayed by spi clock cycles. Can be configured in CONF state.
  • Field CS_HOLD_DELAY writer - SPI cs signal is delayed by spi clock cycles. Can be configured in CONF state.
  • Register CTRL1 reader
  • Field RSCK_DATA_OUT reader - It saves half a cycle when tsck is the same as rsck. 1: output data at rsck posedge 0: output data at tsck posedge
  • Field RSCK_DATA_OUT writer - It saves half a cycle when tsck is the same as rsck. 1: output data at rsck posedge 0: output data at tsck posedge
  • Register CTRL1 writer
  • Field W16_17_WR_ENA reader - 1:SPI_BUF16~SPI_BUF17 can be written 0:SPI_BUF16~SPI_BUF17 can not be written. Can be configured in CONF state.
  • Field W16_17_WR_ENA writer - 1:SPI_BUF16~SPI_BUF17 can be written 0:SPI_BUF16~SPI_BUF17 can not be written. Can be configured in CONF state.