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5-40 C141-E104-02EN
At command completion (I/O registers contents to be read)
1F7
H
(ST) Status information
1F6
H
(DH) x x x DV xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(ER)
xx
xx
xx
xx
Error information
(14) SET FEATURES (X’EF’)
The host system issues the SET FEATURES command to set parameters in the
Features register for the purpose of changing the device features to be executed.
For the transfer mode (Feature register = 03), detail setting can be done using the
Sector Count register.
Upon receipt of this command, the device sets the BSY bit of the Status register
and saves the parameters in the Features register. Then, the device clears the BSY
bit, and generates an interrupt.
If the value in the Features register is not supported or it is invalid, the device
posts an ABORTED COMMAND error.
Table 5.5 lists the available values and operational modes that may be set in the
Features register.