82C931 Datasheet, PDF (14/64 Pages) List of Unclassifed Manufacturers – Plug and Play Integrated Audio Controller

82C931
3.2 931-MB Mode
Figure 3-1 931-MB Mode PQFP Pin Diagram^*
AUXR 1
VREF1 2
AVCC 3
AGND 4
AGND ₅
AVCC ₆
OSCI 7
OSCO 8
RXD 9
TXD ₁₀
GPIO1+MODE0 ₁₁
ROMCS+PNPEN 12
SD15 13
SD14 14
SD13 ₁₅
SD12 ₁₆
GND 17
VCC 18
SD11 19
SD10 ₂₀
SD9 ₂₁
SD8 22
GD0 23
GD1 24
GD2+FSYNC ₂₅
GD3+SCLK ₂₆
GND 27
GD4+VOLDN 28
GD5+VOLUP 29
GD6+SADO+VOLDWN ₃₀
82C931
931-MB Mode
80
SA8
79
SA7
78
SA6
77
SA5
76
SA4
75
SA3
74
SA2
73
SA1
72
SA0
71
SD7
70
SD6
69
SD5
68
SD4
67
VCC
66
GND
65
SD3
64
SD2
63
SD1
62
SD0
61
DRQ3
60
DRQ1
59
DRQ0
58
VCC
57
GND
56
IRQ9
55
IRQ7
54
IRQ5
53
IRQ10
52
IRQ11
51
AEN
* Pinout for TQFP Package is identical to pinout for PQFP Package.
OPTi
®
Page 6
912-3000-035
Revision: 2.1