初步
TSEL
味精
- 味精
+味精
TSEL
C / D
- C / D
+ C / D
TSEL
I / O
- I / O
+ I / O
SDC
1
SD
1
- SD 0
+ SD 0
SDC
0
SD
0
AMD
75ALS170
ISEL
ATN
- ATN
+ ATN
SDC
2
SD
2
- SD 1
SD + 1
- SD 2
+ SD 2
75ALS170
SDC
3
SD
3
- SD 3
+ SD 3
SDC
4
SD
4
- SD 4
SD + 4
SDC
5
SD
5
- SEL
+ SEL
- SD 5
SD + 5
75ALS170
VCC
SELC
GND
SEL
BSYC
GND
BSY
RSTC
GND
RST
GND
- RST
+ RST
- BSY
+ BSY
75ALS170
SDC
6
SD
6
- SD 6
SD + 6
SDC
7
SD
7
- SD 7
SD + 7
SDC
P
- REQ
+所需物品
SD
P
- SD P
+ SD P
75ALS171
VCC
TSEL
REQC
REQ
ISEL
ACKC
确认
- ACK
+ ACK
75ALS170
GND
75ALS171
16506C-14
对于差分SCSI总线配置差分收发器的连接
使用75ALS170和75ALS171收发器
Am53C94/Am53C96
11
