參數(shù)資料
型號: LSI53C860
英文描述: LSI53C860 PCI to Ultra SCSI I/O Processor technical manual v2.1 4/01
中文描述: LSI53C860 PCI到超的SCSI I / O處理器技術(shù)手冊2.1 4 / 01
文件頁數(shù): 91/166頁
文件大?。?/td> 1330K
代理商: LSI53C860
SAF-TE Module
3-43
Figure 3.2
Flow Diagram of ir_external1()
SCSI Interrupt (External Interrupt 1)
While Bus ATN Raised
command_and_data_phases()
Return
Capture SCSI hardware registers.
Else
If Selection, Bus not busy and ID bit set.
If Bus free or SCSI Bus Reset
Else
Raise Bus Busy Signal
Extract Initiator SCSI ID.
Else
If Parity Error on Bus
Switch to Message Phase Out
Capture data byte:rev_byte
Read Bus Status Register
If IDENTIFY message save
Error on SCSI
Transfer
Else
If Reset OR Abort
Error on SCSI
Transfer
If No Operation
Switch to Message Phase In
Send Message REJECT
While loop executes
code in dotted box.
ATN deasserted
Switch to SCSI Command Phase
Stores and Processes the SCSI CDB sent from
the Initiator.
Error on SCSI
Transfer
Error on SCSI
Transfer
Error on SCSI
Transfer
Else
Switch to SCSI Message Phase In and send COMMAND
COMPLETE message.
Switch to SCSI Status Phase and send status byte.
Bus Free.
Reset Hardware Interrupts.
Error
Message
& Return
相關(guān)PDF資料
PDF描述
LSI53C860E Controller Miscellaneous - Datasheet Reference
LSI53C875A LSI53C875A PCI to Ultra SCSI Controller technical manual v2.0 12/00
LSI53C875E LSI53C875E PCI-single channel Ultra SCSI controller
LSI53C895 LSI53C895 PCI to Ultra2 SCSI I/O Processor with LVD Link Universal Transceivers technical manual v3.2 12/00
LSI53C895A LSI53C895A PCI to Ultra2 SCSI Controller technical manual v2.2 4/01
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