IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive - 14.0 Time-out Values

14.0 Time-out values
The timing of BSY and DRQ in Status Register are shown in the table below.
400 ns
Status Register
BSY=1
OUT to Command
Register
Device Busy
After Command
Code Out
DMA Data
Transfer
Command
30 sec
(Note 2)
Interrupt
Status Register
BSY=1
Interrupt For
Command
Complete
400 ns
Status Register
BSY=1
OUT to Command
Register
Device Busy
After Command
Code Out
Non-Data
Command
30 sec
(Note 1)
Status Register
BSY=0 and RDY=1
Interrupt
Status Register
BSY=1
Interrupt For
Data Transfer
Out
5 µs
Status Register
BSY=1
256th Write From
Data Register
Device Busy
After Data
Transfer Out
700 µs
(Note 3)
Status Register
BSY=0 and DRQ=1
Status Register
BSY=1
Data Request
For Data
Transfer Out
400 ns
Status Register
BSY=1
OUT to Command
Register
Device Busy
After Command
Code Out
Data Out
Command
10 µs
Status Register
BSY=1
256th Read From
Data Register
Device Busy
After Data
Transfer In
30 sec
Status Register
BSY=0 and DRQ=1,
Interrupt
Status Register
BSY=1
Interrupt, DRQ
For Data
Transfer In
400 ns
Status Register
BSY=1
OUT To Command
Register
Device Busy
After Command
Code Out
Data In
Command
31 sec
Status Register
BSY=0 and RDY=1
Bus RESET Signal
Asserted
Device Ready
After Hard
Reset
400 ns
Status Register
BSY=1
Bus RESET Signal
Asserted
Device Busy
After Hard
Reset
Hard Reset
31 sec
Status Register
BSY=0 and RDY=1
Device Control
Register RST=0
After RST=1
Device Ready
After Software
Reset
400 ns
Status Register
BSY=1
Device Control
Register RST=1
Device Busy
After Software
Reset
Software
Reset
31 sec
Status Register
BSY=1 and RDY=1
Power On
Device Ready
After Power On
400 ns
Status Register
BSY=1
Power On
Device Busy
After Power On
Power On
TIME-OUTSTOPSTARTINTERVAL
Figure 141. Time-out values
Travelstar 60GH & 40GN hard disk drive specifications
195