Fujitsu MAW3073 SERIES Specifications page 12

1.7 Bus Conditions ...............................................................................................................................1-93
1.7.1 ATTENTION condition ...............................................................................................................1-93
1.7.2 RESET condition .........................................................................................................................1-96
1.8 Bus Phase Sequence .......................................................................................................................1-97
1.8.1 Bus Phase Sequence with Information Units Disabled.................................................................1-97
1.8.2 Phase sequences with information unit enabled .........................................................................1-105
1.8.2.1 Phase sequences for physical reconnection or selection without using attention condition........1-105
1.8.2.2 Phase sequences for selection using attention condition ............................................................1-106
1.9 SPI information units....................................................................................................................1-107
1.9.1 SPI information unit overview....................................................................................................1-107
1.9.2 Information unit transfer logical operations ...............................................................................1-107
1.9.3 SPI information units..................................................................................................................1-113
1.9.3.1 SPI command information unit...................................................................................................1-113
1.9.3.2 SPI L_Q information unit...........................................................................................................1-116
1.9.3.3 SPI data information unit............................................................................................................1-119
1.9.3.4 SPI data stream information unit ................................................................................................1-119
1.9.3.5 SPI status information unit .........................................................................................................1-121
1.10 SCAM...........................................................................................................................................1-124
1.10.1 SCAM operations.......................................................................................................................1-124
1.11 Ultra SCSI ....................................................................................................................................1-129
1.11.1 Outline........................................................................................................................................1-129
1.11.2 Device connection ......................................................................................................................1-129
1.11.3 Electrical characteristics of SCSI parallel interface ...................................................................1-130
1.12 Low-Voltage Differential .............................................................................................................1-134
1.12.1 Ultra2-SCSI................................................................................................................................1-134
1.12.2 Ultra-160 ....................................................................................................................................1-134
1.12.3 Ultra-320 ....................................................................................................................................1-134
1.12.4 LVD driver characteristics .........................................................................................................1-135
1.12.5 LVD receiver characteristics ......................................................................................................1-135
1.12.6 LVD capacitive loads .................................................................................................................1-137
1.12.7 System level requirements for LVD SCSI drivers and receivers................................................1-138
1.13 SCSI bus fairness..........................................................................................................................1-139
CHAPTER 2 SCSI MESSAGE.............................................................................................................2-1
2.1 Message System ...............................................................................................................................2-1
2.1.1 Message format ..............................................................................................................................2-1
2.1.2 Message type ..................................................................................................................................2-3
x C141-C011