4.4.12MODE SELECT (6)
The normal sequence related to MODE SELECTE (6) of this scanner is listed below:
Proce> | Bus phase | Initiators operation | ¨ Æ | Targets operation | |
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1 | Bus Free | Checks Bus Free |
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2 | Arbitration | Acquires right to use the bus |
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3 | Selection | Selects the target | Æ |
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| Outputs the BSY | |
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4 | Message Out | Selects the logical device | Æ |
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5 | Command | Specifies MODE SELECT (6) | Æ | Sets up mode data | |
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6 | Data In | Specifies MODE SELECT | Æ |
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| parameter data |
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7 | Status |
| ¨ | Reports the GOOD | |
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8 | Message In |
| ¨ | Reports Command | |
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| Complete | |
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| Releases the BSY | |
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9 | Bus Free |
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(1)MODE SELECT (6) command: Command phase (Initiator to Target)
| This command is used to set up miscellaneous parameters in peripheral devices. | ||||||||||
| CDB of this command is shown below: |
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| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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Byte 0 |
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| Operation code X©15 |
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1 |
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| Logical unit number |
| PF |
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| SP | ||||
2 |
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3 |
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4 |
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| Parameter list length |
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5 |
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| Control byte |
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4 $ 79