參數(shù)資料
型號: HT6576A
廠商: Holtek Semiconductor Inc.
英文描述: Advanced SCSI CHIP
中文描述: 高級SCSI芯片
文件頁數(shù): 7/14頁
文件大?。?/td> 412K
代理商: HT6576A
Interrupts
SELECTION/RESELECTION
SE L= ACTIVE LOW
BSY IS FALSE FOR AT LE AST 400NS
HT6576A DE VICE ID (SE LE CT RE GISTE R) is active on the SCSI bus will generate IRQ.
END OF PROCESS (EOP) INTERRUPT
E OP= ACTIVE LOW
DACK = ACTIVE LOW
IOR OR IOW= ACTIVE LOW
DMA MODE
E NABLE E OP IRQ
GE NE RATE E OP IRQ
SCSI BUS RST/IRQ
When An SCSI RST active low, the IRQ is generated.
PARITY ERROR IRQ
An IRQ is generated for a received parity error if enable parity checking bit and the enable
parity interrupt bit are set.
BUS PHASE MISMATCH IRQ
If the DMA MODE bit is active and a phase mismatch occurs when RE Q from false to true,
an interrupt is generated
LOSS OF BSY/IRQ
MONITOR BSY bit= 1
BSY= ACTIVE LOW FOR 400ns WILL GE NE RATE IRQ
HT6576A
7
14th J uly ’97
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