Timings; Table 180 Timeout Values - Hitachi HDS723020BLA642 Specifications

Timings

12
The timing of BSY and DRQ in Status Register are shown in
The other timings are described in HDS7230xxBLA642 / HDS5C30xxALA632 / HCS5C20xxALA632 Final
Functional Specification.
FUNCTION INTERVAL
Power On Device Busy after Power On
and
COMRESET
Software Device Busy after Software
Reset Reset
Device Ready after
Software Reset
COMRESET Device
COMRESET
Non-Data Device Busy after a Register
command FIS to issue a command
A Register FIS to report
Command Complete
PIO Data In Device Busy after a Register
command FIS to issue a command
PIO SETUP FIS for data-in
transfer
Device Busy after data-in
transfer
PIO Data Device Busy after a Register
Out FIS to issue a command
Command
Device Busy after data-out
transfer
PIO SETUP FIS for data-out
transfer

Table 180 Timeout Values

Power On
The host asserts SRST(=1)
in the Device Control
Register and sends a
Register FIS to the Device.
The host asserts SRST(=1)
to the Device Control
Register and sends a
Register FIS to the Device.
Then the host negates
SRST(=0) to the Device
Control Register and sends a
Register FIS to the Device.
Ready after COMRESET Signal asserted
The host sets proper values
in the registers and sends a
Register FIS
The host sets BSY(=1) to the
Status Register
The host sets proper values
in the registers and sends a
Register FIS
The host sets BSY(=1) to the
Status Register
A PIO SETUP FIS is
transferred to the host.
The host sets proper values
in the registers and sends a
Register FIS
The host sends a Data FIS to
the device.
The host sets BSY(=1) to the
Status Register
Hitachi hard disk drive specifications
Table 180
Table 181.
START
The device sets BSY(=0) and
RDY(=1) to the Status
Register and sends a Register
FIS to the host.
The Host sets BSY(=1) to the
Status Register.
The device sets BSY(=0) and
RDY(=1) to the Status
Register and requests to send
a Register FIS to the host.
The device sets BSY(=0) and
RDY(=1)
Register and sends a Register
FIS to the Host.
The host sets BSY(=1) to the
Status register
The device sets the status of
the command to the Status
Register and sends a Register
FIS to the host
The host sets BSY(=1) to the
Status Register
The device sets BSY(=0) and
DRQ(=1) to the Status
Register and sends a PIO
SETUP FIS to the host.
The host sets BSY(=1) to the
Status Register
The host sets BSY(=1) to the
Status Register
The host sets BSY(=1) to the
Status Register
The device sets BSY(=0) and
DRQ(=1) to the Status
Register and sends a PIO
SETUP FIS to the host.
263
STOP TIMEOUT
31 sec
400 ns
31 sec
31 sec
to the Status
400 ns
30 sec
400 ns
30 sec
400 ns
400 ns
400 ns
30 sec