參數資料
型號: MB86602C
廠商: Fujitsu Limited
英文描述: SCSI-II Protocol Controller (Differential)(SCSI-II 協議控制器)
中文描述: 支持SCSI - II協議控制器(差異)(支持SCSI - II協議控制器)
文件頁數: 5/57頁
文件大小: 487K
代理商: MB86602C
MB86602C
5
Description
Pin
number
I/O
Pin name
Pin
symbol
10, 12, 14,
17, 19, 21,
23, 25
I/O
Data bus 7
to
data bus 0
DB7
to
DB0
8
Data bus
parity
DBP
9, 11, 13,
16, 18, 20,
22, 24
O
Data bus
output
enable
7 to 0
DBOE7
to
DBOE0*
2
7
DBOP parity
DBOEP*
2
1
Initiator
INIT*
2,
*
3
O
2
Target
TARG*
2,
*
3
O
*1: The relationship between the MSG, C/D, and I/O signals and the phase state is as follows.
Transfer direction
Phase name
MSG
C/D
I/O
Initiator
Target
Data-out phase
L
L
L
¤
Data-in phase
L
L
H
'
Command phase
L
H
L
¤
Status phase
L
H
H
'
Message-out phase
H
H
L
¤
Message-in phase
H
H
H
'
*2: See “5. Differential Driver/Receiver Connection Example” in “
I
System Configuration Example” for an example of
connecting an external differential driver/receiver circuit.
*3: The SPC operation/connection status is as follows.
Bi-directional SCSI data bus pins consisting of 1 byte of data and an
odd parity bit.
Output control signal for the SCSI data bus.
Use as a control signal for the external differential driver/receiver.
Indicates the SPC operation/connection status. *3
Use as a control signal for the external differential
driver/receiver. *2
Active “H” signal.
INIT
L
L
H
Status
Not connected to SCSI
Executing the reselection phase or connected as target.
Executing the selection phase or connected as initiator.
TARG
L
H
L
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