Timings; Table 139: Time-Out Values - Hitachi 5K100 - Travelstar - Hard Drive Specifications

14.0 Timings

The timing of BSY and DRQ in Status Register are shown in the table below.

Table 139: Time-out values

Power On Device Busy After
Power On
Device Ready After
Power On
Software Device Busy After Soft-
Reset ware Reset
Device Ready After
Software Reset
Hard Reset Device Busy After Hard
Reset
Device Ready After
Hard Reset
Data In Com- Device Busy After Com-
mand mand Code Out
Interrupt, DRQ For Data
Transfer In
Device Busy After Data
Transfer In
Data Out Com- Device Busy After Com-
mand mand Code Out
Device Busy After Data
Transfer Out
Interrupt For Data
Transfer Out
Non-Data Device Busy After Com-
Command mand Code Out
Interrupt For Command
Complete
DMA Data Device Busy After Com-
Transfer Com- mand Code Out
mand
The abbreviations "ns", " µ s", "ms" and "sec" mean nanoseconds, microseconds, milliseconds and seconds,
respectively.
We recommend that the host system execute Soft reset and then retry to issue the command if the host sys-
tem time-out would occur for the device.
INTERVAL
Power On
Power On
Device Control Regis-
ter RST=1
Device Control Regis-
ter RST=0 After RST=1
Bus RESET Signal
Asserted
Bus RESET Signal
Asserted
OUT To Command
Register
Status Register BSY=1
256th Read From Data
Register
OUT to Command Reg-
ister
256th Write From Data
Register
Status Register BSY=1
OUT to Command Reg-
ister
Status Register BSY=1
OUT to Command Reg-
ister
Travelstar 5K100 Hard Disk Drive Specification
START
Status Register BSY=1
Status Register BSY=0
and RDY=1
Status Register BSY=1
Status Register BSY=0
and RDY=1
Status Register BSY=1
Status Register BSY=0
and RDY=1
Status Register BSY=1
Status Register BSY=0
and DRQ=1 Interrupt
Status Register BSY=1
Status Register BSY=1
Status Register BSY=1
Status Register BSY=0
and RDY=1 Interrupt
Status Register BSY=1
Interrupt
Status Register BSY=1
203
STOP TIME-OUT
400 ns
31 sec
400 ns
31 sec
400 ns
31 sec
400 ns
30 sec
10 µs
400 ns
5 µs
30 sec
(Note 1)
400 ns
30 sec
(Note 2)
400 ns