Device Terminating Write Dma; Table 37. Ultra Dma Cycle Timing Chart (Device Terminating Write); Table 38. Ultra Dma Cycle Timings (Device Terminating Write) - Hitachi HDS725050KLA360 Specifications

6.8.7 Device Terminating Write DMA

Table 37: Ultra DMA cycle timing chart (Device Terminating Write)
DMARQ
DMACK-
STOP
DDMARDY-
HSTROBE
DD(15:0)
Table 38: Ultra DMA cycle timings (Device terminating Write)
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
tRP
tRFS
xxx WT Data xxxxxxxxxxxxxxxxxxxxxxxxxx
MODE 0 MODE 1
MIN MAX MIN
– 75 –
160 – 125
0 150 0
20 – 20
15 – 10
5 – 5
20 – 20
– 20 –
Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
tLI tMLI
tIORDYZ
tLI
Host drives DD
MODE 2 MODE 3
MAX MIN MAX MIN
70 – 60 –
– 100 – 100
150 0 150 0
– 20 – 20
– 7 – 7
– 5 – 5
– 20 – 20
20 – 20 –
41
tACK
tACK
tCH
tCS
xxxxxxxxxx
CRC
MODE 4 MODE 5
MAX MIN MAX MIN MAX
60 – 60 –
– 100 – 85
100 0 100 0
– 20 – 20
– 5 – 5
– 5 – 5
– 20 – 20
20 – 20 –
MODE 6
MIN MAX
50 -- 50
– 85 --
75 0 60
– 20 --
– 5 --
– 5 --
– 20 --
20 -- 20