5.3 Host Commands
C141-E057-01EN 5-71
At command issuance (I-O register contents)
1F7h(CM)
1
1
1
0
0
1
1
1
1F6h(DH)
×××
DV
xx
1F5h(CH)
1F4h(CL)
1F3h(SN)
1F2h(SC)
1F1h(FR)
xx
xx
xx
xx
xx
At command completion (I-O register contents to be read)
1F7h
(ST)
Status information
1F6h
(DH)
×××DV
xx
1F5h
(CH)
1F4h
(CL)
1F3h
(SN)
1F2h
(SC)
1F1h
(ER)
xx
xx
xx
xx
Error information
Table 5.7 lists the defined errors that are valid for each command.
Table 5.13 Command code and parameters (1 of 2)
Command name
Error register (X’1F1’)
Status register (X’1F7’)
BBK
UNC
INDF
ABRT
TK0NF
DRDY
DWF
ERR
READ SECTOR(S)
V
V
V
V
V
V
V
WRITE SECTOR(S)
V
V
V
V
V
V
READ MULTIPLE
V
V
V
V
V
V
V
WRITE MULTIPLE
V
V
V
V
V
V
READ DMA
V
V
V
V
V
V
V
WRITE DMA
V
V
V
V
V
V
WRITE VERIFY
V
V
V
V
V
V
V
READ VERIFY SECTOR(S)
V
V
V
V
V
V
V
V: Valid on this command
*: See the command descriptioms.