Fujitsu MPF3204AH Product Manual page 12

CHAPTER 5 INTERFACE ....................................................................................................5 - 1
5.1 Physical Interface.............................................................................................................5 - 2
5.1.1 Interface signals ...............................................................................................................5 - 2
5.1.2 Signal assignment on the connector .................................................................................5 - 3
5.2 Logical Interface ..............................................................................................................5 - 6
5.2.1 I/O registers .....................................................................................................................5 - 6
5.2.2 Command block registers .................................................................................................5 - 8
5.2.3 Control block registers .....................................................................................................5 - 13
5.3 Host Commands...............................................................................................................5 - 13
5.3.1 Command code and parameters........................................................................................5 - 14
5.3.2 Command descriptions.....................................................................................................5 - 16
5.3.3 Error posting....................................................................................................................5 - 66
5.4 Command Protocol...........................................................................................................5 - 67
5.4.1 Data transferring commands from device to host..............................................................5 - 67
5.4.2 Data transferring commands from host to device..............................................................5 - 69
5.4.3 Commands without data transfer ......................................................................................5 - 71
5.4.4 Other commands............................................................................................................ ..5 - 72
5.4.5 DMA data transfer commands..........................................................................................5 - 72
5.5 Ultra DMA feature set......................................................................................................5 - 74
5.5.1 Overview..........................................................................................................................5 - 74
5.5.2 Phases of operation ..........................................................................................................5 - 75
5.5.3 Ultra DMA data in commands .........................................................................................5 - 75
5.5.3.1 Initiating an Ultra DMA data in burst ..............................................................................5 - 75
5.5.3.2 The data in transfer ..........................................................................................................5 - 76
5.5.3.3 Pausing an Ultra DMA data in burst ................................................................................5 - 76
5.5.3.4 Terminating an Ultra DMA data in burst .........................................................................5 - 77
5.5.4 Ultra DMA data out commands........................................................................................5 - 79
5.5.4.1 Initiating an Ultra DMA data out burst.............................................................................5 - 79
5.5.4.2 The data out transfer ........................................................................................................5 - 80
5.5.4.3 Pausing an Ultra DMA data out burst...............................................................................5 - 80
5.5.4.4 Terminating an Ultra DMA data out burst........................................................................5 - 81
5.5.5 Ultra DMA CRC rules......................................................................................................5 - 83
5.5.6 Series termination required for Ultra DMA ......................................................................5 - 84
5.6 Timing.............................................................................................................................5 - 85
5.6.1 PIO data transfer ..............................................................................................................5 - 85
5.6.2 Multiword data transfer....................................................................................................5 - 86
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