Datasheet

596
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
• OPDCMD: Open Drain Command
0 (PUSHPULL): Push pull command.
1 (OPENDRAIN): Open drain command.
• MAXLAT: Max Latency for Command to Response
0 (5): 5-cycle max latency.
1 (64): 64-cycle max latency.
• TRCMD: Transfer Command
• TRDIR: Transfer Direction
0 (WRITE): Write.
1 (READ): Read.
•TRTYP: Transfer Type
• IOSPCMD: SDIO Special Command
• ATACS: ATA with Command Completion Signal
0 (NORMAL): Normal operation mode.
1 (COMPLETION): This bit indicates that a completion signal is expected within a programmed amount of time (HSMCI_CSTOR).
• BOOT_ACK: Boot Operation Acknowledge
The master can choose to receive the boot acknowledge from the slave when a Boot Request command is issued. When set to
one this field indicates that a Boot acknowledge is expected within a programmable amount of time defined with DTOMUL and
DTOCYC fields located in the HSMCI_DTOR. If the acknowledge pattern is not received then an acknowledge timeout error is
raised. If the acknowledge pattern is corrupted then an acknowledge pattern error is set.
Value Name Description
0 NO_DATA No data transfer
1 START_DATA Start data transfer
2 STOP_DATA Stop data transfer
3–Reserved
Value Name Description
0 SINGLE MMC/SD Card Single Block
1 MULTIPLE MMC/SD Card Multiple Block
2 STREAM MMC Stream
4 BYTE SDIO Byte
5 BLOCK SDIO Block
Value Name Description
0 STD Not an SDIO Special Command
1 SUSPEND SDIO Suspend Command
2 RESUME SDIO Resume Command