Hitachi 100GB 7200 RPM HTE721010G9SA00 User Manual
Product codes
HTE721010G9SA00
Travelstar E7K100 (Serial ATA) Hard Disk Drive Specification
187
13.0 Timings
The timing of BSY and DRQ in Status Register are shown in the table below.
Command category is referred to in section 11.0, "Command protocol" on page 67.
The abbreviations "ns", "
µs
", "ms," and "sec" mean nanoseconds, microseconds, milliseconds, and sec-
onds, respectively.
If the host detects a time-out while waiting for a response from the device, we recommend that the host
system execute a Soft reset and then retry the command.
system execute a Soft reset and then retry the command.
Table 124: Time-out values
FUNCTION
INTERVAL
START
STOP
TIME-OUT
Power On and
COMRESET
Device Busy
After Power
On
COMRESET
Device Busy
After Power
On
Devince Ready After
Power On
Power On
Power on and COMRE-
SET
SET
The Device sets BSY
(=0) and RDY (=1) to
the Register and
requests to send the
Register FIS to the
Host.
(=0) and RDY (=1) to
the Register and
requests to send the
Register FIS to the
Host.
31 sec
Software
Reset
Reset
Device Busy
After Software Reset
Device Control Regis-
ter
RST=1 and sends the
Register FIS to the
Device.
ter
RST=1 and sends the
Register FIS to the
Device.
The Host Adapter sets
BSY(=1) to the Status
Register.
BSY(=1) to the Status
Register.
400 ns
Device Ready After
Software Reset
Software Reset
Device Control Register
RST=0 and sends a
Register FIS to the
Device. After RST=1
and sends a Register
FIS to the Device.
RST=0 and sends a
Register FIS to the
Device. After RST=1
and sends a Register
FIS to the Device.
Status Register
BSY=0 and RDY=1 and
requests to send a Reg-
ister FIS to the host.
BSY=0 and RDY=1 and
requests to send a Reg-
ister FIS to the host.
31 sec
COMRESET
Device Ready
After COMRESET
COMRESET Signal
Asserted
Status Register
BSY=0 and RDY=1 and
sends a Register FIS to
the Host.
BSY=0 and RDY=1 and
sends a Register FIS to
the Host.
31 sec
Data In Com-
mand
mand
Device Busy
After a register FIS to
issue a Command.
issue a Command.
Sets proper values in
the registers and sends
a Register FIS.
the registers and sends
a Register FIS.
Status Register BSY=1
400 ns
PIO Setup FIS for data-
in transfer
in transfer
Status Register BSY=1
Status Register. BSY=0
and DRQ=1 and sends
a PIO Setup FIS to the
host.
and DRQ=1 and sends
a PIO Setup FIS to the
host.
30 sec