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5.3 Host Commands
C141-E224 5-29
Table 5.6 Command code and parameters (3/3)
COMMAND CODE (Bit) PARAMETER USED
COMMAND NAME
7 6 5 4 3 2 1 0 FR SC SN CY DH
READ LOG EXT 0 0 1 0 1 1 1 1 N Y Y Y D
WRITE SECTOR(S) EXT 0 0 1 1 0 1 0 0 N Y Y Y D
WRITE DMA EXT 0 0 1 1 0 1 0 1 N Y Y Y D
SET MAX ADDRESS EXT 0 0 1 1 0 1 1 1 N Y Y Y Y
WRITE MULTIPLE EXT 0 0 1 1 1 0 0 1 N Y Y Y D
WRITE LOG EXT 0 0 1 1 1 1 1 1 N Y Y Y D
READ VERIFY SECTOR(S) EXT 0 1 0 0 0 0 1 0 N Y Y Y D
FLUSH CACHE EXT 1 1 1 0 1 0 1 0 N N N N D
WRITE MULTIPLE FUA EXT 1 1 0 0 1 1 1 0 N Y Y Y D
WRITE DMA FUA EXT 0 0 1 1 1 1 0 1 N Y Y Y D
READ FP DMA QUEUED 0 1 1 0 0 0 0 0 Y Y Y Y D
WRITE FP DMA QUEUED 0 1 1 0 0 0 0 1 Y Y Y Y D
CY: cylinder field
DH: device/head field
FR: features field
SC: sector count field
SN: sector number field
R: Retry at error
1 = Without retry
0 = With retry
Y: Necessary to set parameters
Y*: Necessary to set parameters under the LBA mode.
N: Not necessary to set parameters (The parameter is ignored if it is
set.)
N*: May set parameters
D: The device parameter is valid, and the head parameter is ignored.
X: Do not care