Enum atsam4e8c_pac::hsmci::cmdr::SPCMD_AW
source · #[repr(u8)]
pub enum SPCMD_AW {
STD,
INIT,
SYNC,
CE_ATA,
IT_CMD,
IT_RESP,
BOR,
EBO,
}
Expand description
Special Command
Variants§
STD
0: Not a special CMD.
INIT
1: Initialization CMD: 74 clock cycles for initialization sequence.
SYNC
2: Synchronized CMD: Wait for the end of the current data block transfer before sending the pending command.
CE_ATA
3: CE-ATA Completion Signal disable Command. The host cancels the ability for the device to return a command completion signal on the command line.
IT_CMD
4: Interrupt command: Corresponds to the Interrupt Mode (CMD40).
IT_RESP
5: Interrupt response: Corresponds to the Interrupt Mode (CMD40).
BOR
6: Boot Operation Request. Start a boot operation mode, the host processor can read boot data from the MMC device directly.
EBO
7: End Boot Operation. This command allows the host processor to terminate the boot operation mode.