Device Terminating Write Dma; Table 35.Ultra Dma Cycle Timing Chart (Device Terminating Write); Table 36.Ultra Dma Cycle Timings (Device Terminatingwrite) - Hitachi 7K80 - Deskstar - Hard Drive Specifications

6.8.7 Device Terminating Write DMA

Table 35: Ultra DMA cycle timing chart (Device Terminating Write)
DMARQ
DMACK-
STOP
DDMARDY-
HSTROBE
DD(15:0)
PARAMETER
DESCRIPTION
(all values in ns)
tRFS DDMARDY- to final
HSTROBE time
tRP Ready to pause time
tLI Limited interlock time
tMLI Interlocking time with
minimum
tCS CRC word setup time at
device
tCH CRC word hold time at
device
tACK Hold time for DMACK-
negation
tIORDYZ Maximum time before
releasing IORDY
Table 36: Ultra DMA cycle timings (Device TerminatingWrite)
tRP
tLI
tRFS
tLI
xxx WT Data xxxxxxxxxxxxxxxxxxxxxxxxxx
MODE 0 MODE 1
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
– 75 – 70
160 – 125 –
0 150 0 150
20 – 20 –
15 – 10 –
5 – 5 –
20 – 20 –
– 20 – 20
Deskstar 7K80 Hard Disk Drive Specification
tMLI
tIORDYZ
Host drives DD
MODE 2 MODE 3
– 60 – 60
100 – 100 –
0 150 0 100
20 – 20 –
7 – 7 –
5 – 5 –
20 – 20 –
– 20 – 20
48
tACK
tACK
tCH
tCS
xxxxxxxxxx
CRC
MODE 4 MODE 5
– 60 – 50
100 – 85 –
0 100 0 75
20 – 20 –
5 – 5 –
5 – 5 –
20 – 20 –
– 20 – 20
MODE 6
– 50
85 –
0 60
20 –
5 –
5 –
20 –
– 20