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): 3/14頁
文件大?。?/td> 412K
代理商: HT6576A
SCSI Interface Signals
Pin No
Pin Name
I/O
Description
33
ACK
I/O
Acknowledge, active low
6
ATN
I/O
Attention, active low
4
BSY
I/O
Busy, active low
30
C/D
I/O
Control/Data, active low
32
I/O
I/O
Input/Output, active low
29
MSG
I/O
Message, active low
34
RE Q
I/O
Request, active low
2
RST
I/O
Reset, active low
37~41,
43, 44, 1
DB0–DB7
I/O
SCSI Data Bus, active low
35
DBP
I/O
SCSI Parity Bit, active low
5
SE L
I/O
Select, active low
VSS
3, 12, 31, 36, 42
VDD
23
Registers
Address 0
Current SCSI data register(READ ONLY)
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
The SCSI bus parity is checked at the beginning of the read cycle.
Output data register(WRITE ONLY)
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
HT6576A
3
14th J uly ’97
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