D24
26
PIN
NO.
I/O
FUNCTION
NAME
PIN
NO.
I/O
FUNCTION
NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
/32B
/16B
A3
A2
A1//BE3
A0//BE2
/BE1
/BE0//UBE
DP3
DP2
DP1
DP0
GND0
D31
D30
D29
VDD
D28
D27
D26
D25
GND0
D24
D23
D22
D21
D20
D19
D18
GND0
D17
D16
D15
D14
D13
D12
VDD
D11
GND0
GND0
D10
VDD
D9
D8
D7
D6
D5
D4
GND0
D3
I
I
I
I
I
I
I
I
I/O
I/O
I/O
I/O
-
I/O
I/O
I/O
-
I/O
I/O
I/O
I/O
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
I/O
I/O
I/O
I/O
I/O
I/O
-
I/O
-
-
I/O
-
I/O
I/O
I/O
I/O
I/O
I/O
-
I/O
32-bit bus
16-bit bus
Address 3
Address 2
Address 1 / byte enable 3
Address 0 / byte enable 2
Byte enable 1
Byte enable 0 / upper byte enable
Data bus
Ground
Data bus
Power supply
Data bus
Ground
Data bus
Ground
Data bus
Power supply
Data bus
Ground
Ground
Data bus
Power supply
Data bus
Ground
Data bus
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
D2
D1
D0
GND1
/SBP
/SB0
/SB1
GND1
/SB2
/SB3
GND1
/SB4
/SB5
GND1
/SB6
/SB7
GND1
/ATN
/ACK
/REQ
GND1
/MSG
/C/D
/I/O
GND1
/BSY
/SEL
/RST
GND1
SBOE
/SBIE
IDSTR
INIT
TGT
BSYO
SELO
RSTO
CLK
/RESET
GND0
GND0
/CS
VDD
/EOP
INT
/IOWR
/IORD
/DMARQ
/DMAAK
GND0
I/O
I/O
I/O
-
I/O
I/O
I/O
-
I/O
I/O
-
I/O
I/O
-
I/O
I/O
-
I/O
I/O
I/O
-
I/O
I/O
I/O
-
I/O
I/O
I/O
-
O
O
O
O
O
O
O
O
I
I
-
-
I
-
O
O
I
I
O
I
-
Data bus
Ground
SCSI bus parity
SCSI bus
SCSI bus
Ground
SCSI bus
SCSI bus
Ground
SCSI bus
SCSI bus
Ground
SCSI bus
SCSI bus
Ground
Attention
Acknowledge
Request
Ground
Massage
Command/Data
Input/output
Ground
Busy
Select
Reset
Ground
SCSI bus out enable
SCSI bus in enable
ID strobe
Initiator
Target
Busy out
Select out
Reset out
Clock
Reset
Ground
Ground
Chip select
Power supply
End of process
Interrupt request
I/O write
I/O read
DMA request
DMA acknowledge
Ground
uPD72611GF-3BA (XU375A00) SCSI Controler
MAIN: IC318