IBM DJSA-210 - Travelstar 10 GB Hard Drive - 7.9.3 Initiating Write DMA

7.9.3
Initiating Write DMA
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tUI
tACK
tENV
tZIORDY
tLI
tUI tCYC
t2CYC
DD(15:0)
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxx xxx
Host drives DD
tDH
tDS
WT Data
WT Data
WT Data
tACK
tCYC
–5–5–5–5–5Data Hold time at devicetDH
–5–7–7–10–15Data setup time at devicetDS
–57–86–115–154–230Two cycle timet2CYC
–25–39–54–73–112Cycle timetCYC
10001000150015001500Limited interlock timetLI
–0–0–0–0–0Minimum time before driving IORDYtZIORDY
55205520702070207020Envelope timetENV
–20–20–20–20–20Setup time for DMACK-tACK
–0–0–0–0–0Unlimited interlock timetUI
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MODE 4MODE 3MODE 2MODE 1MODE 0
PARAMETER DESCRIPTION
Figure 42. Ultra DMA cycle timings (Initiating Write)
Travelstar 32GH/30GT/20GN hard disk drive specifications
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