Hitachi IC25N040ATCS04-0 Specifications - Page 67
Initiating Write DMA
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UPC - 683728198664
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7.9.5 Initiating Write DMA DMARQ tUI DMACKSTOP tENV tACK tLI tZIORDY DDMARDY- tACK tUI t2CYC tCYC tCYC HSTROBE DD(15:0) xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx tDH tDS WT Data xxx WT Data xxx WT Data Host drives DD tUI tACK tENV tZIORDY tLI tCYC t2CYC tDS tDH MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 PARAMETER DESCRIPTION MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) (ns) Unlimited interlock time Setup time for DMACKEnvelope time Minimum time before driving IORDY Limited interlock time Cycle time Two cycle time Data setup time at device Data Hold time at device 0 - 0 - 0 - 0 - 0 -0- 20 - 20 - 20 - 20 - 20 - 20 - 20 70 20 70 20 70 20 55 20 55 20 55 0 - 0 - 0 - 0 - 0 -0- 0 150 0 150 0 150 0 100 0 100 0 75 112 - 73 - 54 - 39 - 25 - 16.8 - 230 - 154 - 115 - 86 - 57 - 38 - 15 - 10 - 7 - 7 - 5 - 4 - 5 - 5 - 5 - 5 - 5 - 4.6 - Figure 44. Ultra DMA cycle timings (Initiating Write) Hitachi Travelstar 60GH & 40GN hard disk drive specifications 54
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