at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 610

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

• 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
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AT91SAM9G20 Preliminary
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
TRTYP
IOSPCMD
TRCMD
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Transfer Type
MMC/SDCard Single Block
MMC/SDCard Multiple Block
MMC Stream
Reserved
SDIO Byte
SDIO Block
Reserved
Reserved
Transfer Type
No data transfer
Start data transfer
Stop data transfer
Reserved
SDIO Special Command Type
Not a SDIO Special Command
SDIO Suspend Command
SDIO Resume Command
Reserved
6384B–ATARM–15-Dec-08