Travelstar 5K160 (PATA) Hard Disk Drive Specification
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7.9.8 Host Terminating Write DMA
PARAMETER
DESCRIPTION
MODE0 MODE1 MODE2 MODE3 MODE4 MODE5
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
tSS Time
from
HSTROBE
edge to
assertion of
STOP
50 – 50 – 50 – 50 – 50 – 50 –
tLI Limited
interlock time
0 150
0 150
0 150
0 100
0 100
0 75
tMLI
Interlock
time 20 – 20 – 20 – 20 – 20 – 20 –
tDS CRC
word
setup time at
device
15 – 10 – 7 – 7 – 5 – 4 –
tDH CRC
word
hold
time at device
5 – 5 – 5 – 5 – 5 – 4.6
–
tACK Hold
time
for
DMACK-
negation
20 – 20 – 20 – 20 – 20 – 20 –
tIORDYZ Maximum
time
before
releasing
IORDY
– 20 – 20 – 20 – 20 – 20 – 20
Figure 14. Ultra DMA cycle timings (Host Terminating Write)
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tMLI
DD(15:0)
Host drives DD
tDH
tDS
CRC
tSS
tACK
tACK
tLI
tIORDYZ
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tLI
tLI