Host Terminating Write Dma; Table 39. Ultra Dma Cycle Timing Chart (Host Terminating Write); Table 40. Ultra Dma Cycle Timings (Host Terminating Write) - Hitachi HDS725050KLA360 Specifications

6.8.8 Host Terminating Write DMA

Table 39: Ultra DMA cycle timing chart (Host Terminating Write)
DMARQ
DMACK-
STOP
DDMARDY-
HSTROBE
DD(15:0)
Table 40: Ultra DMA cycle timings (Host Terminating Write)
PARAMETER
DESCRIPTION
(all values in ns)
tSS Time from HSTROBE edge to asser-
tion of STOP
tLI Limited interlock time
tMLI Interlock time with minimum
tCS CRC word setup time at device
tCH CRC word hold time at device
tACK Hold time for DMACK-
tIORDYZ Maximum time before releasing
IORDY
tLI
tSS
tLI
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
MODE 0 MODE 1
MIN MAX MIN
50 – 50
0 150 0
20 – 20
15 – 10
5 – 5
20 – 20
– 20 –
Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
tMLI
tIORDYZ
tLI
Host drives DD
MODE 2 MODE 3
MAX MIN MAX MIN MAX
– 50 – 50
150 0 150 0 100
– 20 – 20
– 7 – 7
– 5 – 5
– 20 – 20
20 – 20 – 20
42
tACK
tACK
tCH
tCS
CRC xxxxxxxxxx
MODE 4 MODE 5
MIN MAX MIN MAX
– 50 – 50 –
0 100 0 75
– 20 – 20 –
– 5 – 5 –
– 5 – 5 –
– 20 – 20 –
– 20 – 20
MODE 6
MIN MAX
50 --
0 60
20 --
5 --
5 --
20 --
-- 20