Hitachi IC25N040ATCS04-0 Specifications - Page 69
Device, Terminating Write DMA
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7.9.7 Device Terminating Write DMA DMARQ DMACKSTOP DDMARDYHSTROBE DD(15:0) tRP tLI tMLI tACK tIORDYZ tRFS tLI tACK tDH tDS xxx WT Data xxxxxxxxxxxxxxxxxxxxxxxxxx CRC xxxxxxxxxx Host drives DD PARAMETER DESCRIPTION tRFS DDMARDY- to final HSTROBE time tRP Ready to pause time tLI Limited interlock time tMLI Interlocking time with minimum tDS CRC word setup time at device tDH CRC word hold time at device tACK Hold time for DMACK- tIORDYZ Maximum time before releasing IORDY MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) - 75 - 70 - 60 - 60 - 60 - 50 160 - 125 - 100 - 100 - 100 - 85 - 0 150 0 150 0 150 0 100 0 100 0 75 20 - 20 - 20 - 20 - 20 - 20 - 15 - 10 - 7 - 7 - 5 - 4 - 5 - 5 - 5 - 5 - 5 - 4.6 - 20 - 20 - 20 - 20 - 20 - 20 - - 20 - 20 - 20 - 20 - 20 - 20 Figure 46. Ultra DMA cycle timings (Device Terminating Write) Hitachi Travelstar 60GH & 40GN hard disk drive specifications 56