SPI0 user1 register.
SPI_MEM_USR_DUMMY_CYCLELEN | The length in spi_mem_clk cycles of dummy phase. The register value shall be (cycle_num-1). |
SPI_MEM_USR_DBYTELEN | SPI0 USR_CMD read or write data byte length -1 |
SPI_MEM_USR_ADDR_BITLEN | The length in bits of address phase. The register value shall be (bit_num-1). |