SAM9M10_14 Datasheet, PDF (705/1385 Pages) ATMEL Corporation – Atmel | SMART ARM-based Embedded MPU

SPCMD
Command
Interrupt response:
1
0
1
Corresponds to the Interrupt Mode (CMD40).
Boot Operation Request.
1
1
0
Start a boot operation mode, the host processor can read boot data from
the MMC device directly.
End Boot Operation.
1
1
1
This command allows the host processor to terminate the boot operation
mode.
• 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
TRCMD
0
0
0
1
1
0
1
1
• TRDIR: Transfer Direction
0 = Write
1 = Read
• TRTYP: Transfer Type
Transfer Type
No data transfer
Start data transfer
Stop data transfer
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
SAM9M10 [DATASHEET]
Atmel-6355G-ATARM-SAM9M10-Datasheet_02-Sept-14
705