Pio Timings; Write Drq Interval Time; Table 22. Pio Cycle Timings Chart - Hitachi HDS725050KLA360 Specifications

6.6 PIO timings

The PIO cycle timings meet Mode 4 of the ATA/ATAPI-6 description.
Table 22: PIO cycle timings chart
CS(1:0)-
DA(2:0)
DIOR-,
DIOW -
W rite data
DD(15:0)
Read data
DD(15:0)
IOCS16-(*)
IORDY
t0
t1
t2
t2i
t3
t4
t5
t6
t9
tA
tB

6.6.1 Write DRQ interval time

For write sectors and write multiple operations 3.8 ms is inserted from the end of negation of the DRQ bit until set-
ting of the next DRQ bit.
t1
t7(*)
tA
PARAMETER DESCRIPTION
Cycle time
Address valid to DIOR-/DIOW- setup
DIOR-/DIOW- pulse width
DIOR-/DIOW- recovery time
DIOW- data setup
DIOW- data hold
DIOR- data setup
DIOR- data hold
DIOR-/DIOW- to address valid hold
IORDY setup width
IORDY pulse width
Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
t9
t0
t2 t2i
t3 t4
t5 t6
t6z
tRD
(*) Up to ATA-2 (mode-0,1,2)
tB
MIN (ns)
120
25
70
25
20
10
20
5
10
–
–
32
t8(*)
MAX (ns)
–
–
–
–
–
–
–
–
–
35
1250