Datasheet

704
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
• OPDCMD: Open Drain Command
0 = Push pull command
1 = Open drain command
• 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
101
Interrupt response:
Corresponds to the Interrupt Mode (CMD40).
110
Boot Operation Request.
Start a boot operation mode, the host processor can read boot data from
the MMC device directly.
111
End Boot Operation.
This command allows the host processor to terminate the boot operation
mode.
TRCMD Transfer Type
0 0 No data transfer
0 1 Start data transfer
1 0 Stop data transfer
1 1 Reserved
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
SPCMD Command