SPI magic error and slave control register
SLV_DMA_RD_BYTELEN | In the slave mode it is the length in bytes for read operations. The register value shall be byte_num. |
SLV_RD_BUF_DONE | The interrupt raw bit for the completion of read-buffer operation in the slave mode. Can not be changed by CONF_buf. |
SEG_MAGIC_ERR | 1: The recent magic value in CONF buffer is not right in master DMA seg-trans mode. 0: others. |