
82C931
912-3000-035
Revision: 2.1
Page 13
OPTi
Table 3-6
931-AD Mode Numerical Pin Cross-Reference List
Pin
No.
Pin Name
Pin
Type
1 AUXR
2 VREF1
3 AVCC
4 AGND
5 AGND
6 AVCC
7 OSCI
8 OSCO
9 RXD
10 TXD
11 GPIO1+MODE0
12 ROMCS+PNPEN
13 SA15
14 SA14
15 SA13
16 SA12
17 GND
18 VCC
19 SADI
20 SADO
21 SCLK
22 FSYNC
23 GD0
24 GD1
25 GD2+IRQ3
26 GD3+IRQ4
I
O
P
G
G
P
I
O
I
O
I/O
I/O
I/O
I/O
I/O
I/O
G
P
I
O
I/O
I/O
I/O
I/O
I/O
I/O
27 GND
28 GD4+VOLDN
29 GD5+VOLUP
30 GD6+MODEMINT+
VOLDWN
31 GD7+MODEMCS#+
+MODEM#+VOLUP
32 XIOR#
33 XIOW#
34 RESET#
35 CA2+ROMCLK+
IDEDIS#
36 CA1+ROMDOUT
37 CA0+ROMDIN
38 IDECS1#
39 IDECS3#
40 GND
41 IDEIRQ+GPIO2
42 IRQ15+GPIO3
43 GPIO0+EXTROM#
44 CDOE#
45 CDHOE#
46 DACK0#
47 DACK1#
48 DACK3#
49 IOW#
G
I/O
I/O
I/O
I/O
O
O
O
I/O
I/O
I/O
O
O
G
I/O
I/O
I/O
O
O
I
I
I
I
Pin
No.
Pin Name
Pin
Type
50 IOR#
51 AEN
52 IRQ11
53 IRQ10
54 IRQ5
55 IRQ7
56 IRQ9
57 GND
58 VCC
59 DRQ0
60 DRQ1
61 DRQ3
62 SD0
63 SD1
64 SD2
65 SD3
66 GND
67 VCC
68 SD4
69 SD5
70 SD6
71 SD7
72 SA0
73 SA1
74 SA2
75 SA3
I
I
I/O
I/O
I/O
I/O
I/O
G
P
O-TS
O-TS
O-TS
I/O
I/O
I/O
I/O
G
P
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Pin
No.
Pin Name
Pin
Type
76 SA4
77 SA5
78 SA6
79 SA7
80 SA8
81 SA9
82 SA10
83 SA11
84 RESET
85 AGND
86 VREF2
87 AVCC
88 CINR
89 MIXOUTR
90 CINL
91 MIXOUTL
92 OUTL
93 OUTR
94 AUXL
95 CDL
96 LINEL
97 MICL
98 MICR
99 LINER
100 CDR
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
G
O
P
I
O
I
O
O
O
I
I
I
I
I
I
I
Pin
No.
Pin Name
Pin
Type
Table 3-7
931-AD Mode Alphabetical Pin Cross-Reference List
Pin Name
Pin
No.
Pin
Type
AEN
AGND
AGND
AGND
AUXL
AUXR
AVCC
AVCC
AVCC
CA0+ROMDIN
CA1+ROMDOUT
CA2+ROMCLK+
IDEDIS#
CDHOE#
CDL
CDOE#
CDR
CINL
CINR
DACK0#
DACK1#
DACK3#
DRQ0
DRQ1
DRQ3
FSYNC
51
4
5
85
94
1
3
6
87
37
36
35
I
G
G
G
I
I
P
P
P
I/O
I/O
I/O
45
95
44
100
90
88
46
47
48
59
60
61
22
O
I
O
I
I
I
I
I
I
O-TS
O-TS
O-TS
I/O
GD0
GD1
GD2+IRQ3
GD3+IRQ4
GD4+VOLDN
GD5+VOLUP
GD6+MODEMINT
+VOLDWN
GD7+MODEMCS#+
+MODEM#+VOLUP
GND
GND
GND
GND
GND
GPIO0+EXTROM#
GPIO1+MODE0
IDECS1#
IDECS3#
IDEIRQ+GPIO2
IRQ5
IRQ7
IRQ9
IRQ10
IRQ11
IRQ15+GPIO3
23
24
25
26
28
29
30
I/O
I/O
I/O
I/O
I/O
I/O
I/O
31
I/O
17
27
40
57
66
43
11
38
39
41
54
55
56
53
52
42
G
G
G
G
G
I/O
I/O
O
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Pin Name
Pin
No.
Pin
Type
IOR#
IOW#
LINEL
LINER
MICL
MICR
MIXOUTL
MIXOUTR
OSCI
OSCO
OUTL
OUTR
RESET
RESET#
ROMCS+PNPEN
RXD
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
50
49
96
99
97
98
91
89
7
8
92
93
84
34
12
9
72
73
74
75
76
77
78
79
80
81
I
I
I
I
I
I
O
O
I
O
O
O
I
O
I/O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Pin Name
Pin
No.
Pin
Type
SA10
SA11
SA12
SA13
SA14
SA15
SADI
SADO
SCLK
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
TXD
VCC
VCC
VCC
VREF1
VREF2
XIOR#
XIOW#
82
83
16
15
14
13
19
20
21
62
63
64
65
68
69
70
71
10
58
18
67
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
P
P
P
O
O
O
O
2
86
32
33
Pin Name
Pin
No.
Pin
Type