ADDR4=3byte, ADDR_WIDTH=single, DATA_WIDTH=single, CMDWTH=mono
SPIX Fetch Control Register.
CMDVAL | Command Value sent to target to initiate fetching from SPI flash. |
CMDWTH | Command Width. Number of data I/O used to send commands. 0 (mono): Single SDIO. 1 (dual): Dual SDIO. 2 (quad): Quad SDIO. 3 (invalid): Invalid. |
ADDR_WIDTH | Address Width. Number of data I/O used to send address, and mode/dummy clocks. 0 (single): Single SDIO. 1 (dual): Dual SDIO. 2 (quad): Quad SDIO. 3 (invalid): Invalid. |
DATA_WIDTH | Data Width. Number of data I/O used to receive data. 0 (single): Single SDIO. 1 (dual): Dual SDIO. 2 (quad): Quad SDIO. 3 (invalid): Invalid. |
ADDR4 | Four Byte Address Mode. Enables 4-byte Flash Address Mode. 0 (3byte): 3 Byte Address Mode. 1 (4byte): 4 Byte Address Mode. |