Rainbow Electronics AT91CAP9S250A User Manual
Page 781
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781
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
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
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
IOSPCMD
SDIO Special Command Type
0
0
Not a SDIO Special Command
0
1
SDIO Suspend Command
1
0
SDIO Resume Command
1
1
Reserved
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