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FUJITSU MPG3XXXAH-E User Manual

Page 12

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C141-E116-01EN

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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 - 76

5.4

Command Protocol................................................................................................................5 - 77

5.4.1

Data transferring commands from device to host ..................................................................5 - 77

5.4.2

Data transferring commands from host to device ..................................................................5 - 79

5.4.3

Commands without data transfer ...........................................................................................5 - 81

5.4.4

Other commands....................................................................................................................5 - 82

5.4.5

DMA data transfer commands...............................................................................................5 - 82

5.5

Ultra DMA feature set ...........................................................................................................5 - 84

5.5.1

Overview ...............................................................................................................................5 - 84

5.5.2

Phases of operation................................................................................................................5 - 85

5.5.3

Ultra DMA data in commands...............................................................................................5 - 85

5.5.3.1 Initiating an Ultra DMA data in burst....................................................................................5 - 85

5.5.3.2 The data in transfer................................................................................................................5 - 86

5.5.3.3 Pausing an Ultra DMA data in burst .....................................................................................5 - 86

5.5.3.4 Terminating an Ultra DMA data in burst ..............................................................................5 - 87

5.5.4

Ultra DMA data out commands.............................................................................................5 - 89

5.5.4.1 Initiating an Ultra DMA data out burst..................................................................................5 - 89

5.5.4.2 The data out transfer..............................................................................................................5 - 90

5.5.4.3 Pausing an Ultra DMA data out burst ...................................................................................5 - 90

5.5.4.4 Terminating an Ultra DMA data out burst ............................................................................5 - 91

5.5.5

Ultra DMA CRC rules...........................................................................................................5 - 93

5.5.6

Series termination required for Ultra DMA...........................................................................5 - 94

5.6 Timing ...................................................................................................................................5 - 95

5.6.1

PIO data transfer ...................................................................................................................5 - 95

5.6.2

Multiword data transfer .........................................................................................................5 - 96