Host Terminating Write Dma; Table 37.Ultra Dma Cycle Timing Chart (Host Terminating Write); Table 38.Ultra Dma Cycle Timings (Host Terminating Write) - Hitachi 7K80 - Deskstar - Hard Drive Specifications

6.8.8 Host Terminating Write DMA

Table 37: Ultra DMA cycle timing chart (Host Terminating Write)
DMARQ
DMACK-
STOP
DDMARDY-
HSTROBE
DD(15:0)
Table 38: Ultra DMA cycle timings (Host Terminating Write)
PARAMETER
DESCRIPTION
(all values in ns)
tSS Time from HSTROBE edge
to assertion of STOP
tLI Limited interlock time
tMLI Interlock time with mini-
mum
tCS CRC word setup time at
device
tCH CRC word hold time at
device
tACK Hold time for DMACK-
tIO- Maximum time before
RDYZ releasing IORDY
tLI
tSS
tLI
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MODE 0 MODE 1
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
50 – 50 –
0 150 0 150
20 – 20 –
15 – 10 –
5 – 5 –
20 – 20 –
– 20 – 20
Deskstar 7K80 Hard Disk Drive Specification
tMLI
tIORDYZ
tLI
Host drives DD
MODE 2 MODE 3
50 – 50 –
0 150 0 100
20 – 20 –
7 – 7 –
5 – 5 –
20 – 20 –
– 20 – 20
49
tACK
tACK
tCH
tCS
CRC xxxxxxxxxx
MODE 4 MODE 5
50 – 50 –
0 100 0 75
20 – 20 –
5 – 5 –
5 – 5 –
20 – 20 –
– 20 – 20
MODE 6
50 –
0 60
20 –
5 –
5 –
20 –
– 20