Seagate Lyrion Series ユーザーズマニュアル
26
Lyrion CE-ATA Product Manual, Rev. A
4.2
Supported command set and features
This section describes the MMC level commands supported by the drive followed the supported reduced ATA
command set and a description of the supported Status and Control Registers (SCR).
command set and a description of the supported Status and Control Registers (SCR).
4.2.1
MMC command set
The following table lists the supported and essential MMC command set for initializing, status checking, error
handling, and transferring data. For a detailed description of these commands, refer to the MMC System Spec-
ification v 4.0 available to MMCA members under NDA.
handling, and transferring data. For a detailed description of these commands, refer to the MMC System Spec-
ification v 4.0 available to MMCA members under NDA.
4.2.2
Reduced ATA command set
The following table lists CE-ATA defined reduced ATA command set. For a detailed description of these com-
mands, refer to the CE-ATA specification revision 1.1 at
mands, refer to the CE-ATA specification revision 1.1 at
.
Table 10:
Supported commands
Table 9:
MMC command set
Command
Index
Command Name
Command Description
CMD0
GO_IDLE_STATE
Hard resets the drive to MMC idle state
CMD1
SEND_OP_COND
Requests OCR contents in response from the drive
CMD2
ALL_SEND_CID
Requests CID in response from the drive
CMD3
SET_RELATIVE_ADDR
Assign relative address to the drive
CMD6
SWITCH
Switch mode of operation, modify the EXT_CSD register
CMD7
SELECT/DESELECT CARD
Toggles the MMC standby and MMC transfer states or the MMC
programming and MMC disconnected states
CMD8
SEND_EXT_CSD
Request the drive to send its EXT_CSD register as a block of data
CMD9
SEND_CSD
Requests CSD in response from the drive
CMD10
SEND_CID
Requests CID in response from the drive
CMD12
STOP_TRANSMISSION
Forces the drive to stop MMC transmission
CMD13
SEND_STATUS
Requests the drive to send its MMC status in the response
CMD16
SET_BLOCKLEN
Sets the MMC transfer block length for data transfers.
CMD39
FAST_IO
Write or Read 8 bit register data.
CMD60
RW_MULTIPLE_REGISTER
Read or Write ATA register data and SCR register data.
CMD61
RW_MULTIPLE_BLOCK
Transfer data for the ATA command requested by CMD60
Command opcode
Command name
Command description
25h
Read DMA EXT
Reads data from the drive in logical blocks
35h
Write DMA EXT
Writes data to the drive in logical blocks
E0h
Standby Immediate
Spins down the drive to enter its standby state
EAh
Flush Cache EXT
Flushes buffered data from the drive's cache to the media
ECh
Identify Device
Transfers information about the drive to the host