Datasheet

705
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
• IOSPCMD: SDIO Special Command
• ATACS: ATA with Command Completion Signal
0 = Normal operation mode.
1 = 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 register. 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.
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