Command control register
SPI_CONF_BITLEN | Define the APB cycles of SPI_CONF state. Can be configured in CONF state. |
SPI_UPDATE | Set this bit to synchronize SPI registers from APB clock domain into SPI module clock domain, which is only used in SPI master mode. |
SPI_USR | User define command enable. An operation will be triggered when the bit is set. The bit will be cleared once the operation done.1: enable 0: disable. Can not be changed by CONF_buf. |