Timings - Hitachi HTS541010G9AT00 - Travelstar 100 GB Hard Drive Specifications

13.0 Timings

The timing of BSY and DRQ in Status Register are shown in the table below.
Table 123: Time-out values
FUNCTION
Power On and Devince Ready After
COMRESET Power On
Device Busy
After Power
On
Software Device Busy
Reset
After Software Reset
Device Ready After
Software Reset
COMRESET Device Ready
After COMRESET
Data In Com- Device Busy
mand
After a register FIS to
issue a Command.
PIO Setup FIS for data-
in transfer
Command category is referred to in section 11.0, "Command protocol" on page 71.
The abbreviations "ns", "
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.
INTERVAL
Power on and COMRE-
SET
Device Control Regis-
ter
RST=1 and sends the
Register FIS to the
Device.
Device Control Register
RST=0 and sends a
Register FIS to the
Device. After RST=1
and sends a Register
FIS to the Device.
COMRESET Signal
Asserted
Sets proper values in
the registers and sends
a Register FIS.
Status Register BSY=1
µs
", "ms," and "sec" mean nanoseconds, microseconds, milliseconds, and sec-
Travelstar 5K100 (Serial ATA) Hard Disk Drive Specification
START
The Device sets BSY
(=0) and RDY (=1) to
the Register and
requests to send the
Register FIS to the
Host.
The Host Adapter sets
BSY(=1) to the Status
Register.
Status Register
BSY=0 and RDY=1 and
requests to send a Reg-
ister FIS to the host.
Status Register
BSY=0 and RDY=1 and
sends a Register FIS to
the Host.
Status Register BSY=1
Status Register. BSY=0
and DRQ=1 and sends
a PIO Setup FIS to the
host.
181
STOP TIME-OUT
31 sec
400 ns
31 sec
31 sec
400 ns
30 sec