Datasheet

SAM9G20
DS60001516A-page 588  2017 Microchip Technology Inc.
MAXLAT: Max Latency for Command to Response
0: 5-cycle max latency
1: 64-cycle max latency
TRCMD: Transfer Command
TRDIR: Transfer Direction
0: Write
1: Read
TRTYP: Transfer Type
IOSPCMD: SDIO Special Command
TRCMD Transfer Type
0 0 No data transfer
0 1 Start data transfer
1 0 Stop data transfer
11Reserved
TRTYP Transfer Type
0 0 0 MMC/SDCard Single Block
0 0 1 MMC/SDCard Multiple Block
0 1 0 MMC Stream
0 1 1 Reserved
1 0 0 SDIO Byte
1 0 1 SDIO Block
1 1 0 Reserved
1 1 1 Reserved
IOSPCMD SDIO Special Command Type
0 0 Not a SDIO Special Command
0 1 SDIO Suspend Command
1 0 SDIO Resume Command
11Reserved