STAC9271 Datasheet, PDF (217/223 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
8.2. Pin Table for STAC927x family in 48 Pin LQFP
Pin Name
DVDD_CORE
Volume Up/DMIC0/GPIO1
Volume Down/DMIC1/GPIO2
DVSS
SDATA_OUT
BIT_CLK
DVSS3
SDATA_IN
DVDD_CORE
SYNC
RESET#
PCBEEP
SENSE_A
PORT-E_L
PORT-E_R
PORT-F_L
PORT-F_R)
CD-L
CD-GND
CD-R
PORT-B_L (HP)
PORT-B_R (HP)
PORT-C_L
PORT-C_R
AVDD1
Pin Function
I/O
Internal
Pull-up/
Pull-down
Pin
Location
Digital Vdd= 3.3V
I(Digital)
None
1
Pull-Up 50 KΩ
Volume Control
OR
I/O(Digital)
Digital Mic 0 Input/General Purpose I/O
with Volume,
GPIO or
Pull-down
50 KΩ with
2
Digital Mic
Pull-Up 50 KΩ
Volume Control
OR
I/O(Digital)
Digital Mic 1 Input/General Purpose I/O
with Volume,
GPIO or
Pull-down
50 KΩ with
3
Digital Mic
Digital Ground
I(Digital)
None
4
HD Audio Serial Data output
(inbound stream)
I/O(Digital)
None
5
HD Audio Bit Clock
I(Digital)
None
6
Digital Ground
I(Digital)
None
7
HD Audio Serial Data
(outbound stream)
O(Digital)
None
8
Digital Vdd = 3.3V
I(Digital)
None
9
HD Audio Frame Sync
I(Digital)
None
10
HD Audio Reset
I(Digital)
None
11
PC Beep
I(Analog)
None
12
Jack insertion detection Ports A, B, C, D I(Analog)
None
13
Input/Output of Left DAC2
I/O(Analog)
None
14
Input/Output of Right DAC2
I/O(Analog)
None
15
Input/Output of Left DAC3
I/O(Analog)
None
16
Input/Output of Right DAC3
I/O(Analog)
None
17
CD Audio Left Channel
I(Analog)
None
18
CD Audio Analog Ground
I(Analog)
None
19
CD Audio Right Channel
I(Analog)
None
20
Input/Output of Left DAC0, 3, 4
I/O(Analog)
None
21
Input/Output of Right DAC0, 3, 4 I/O(Analog)
None
22
Input/Output of Left DAC1
I/O(Analog)
None
23
Input/Output of Right DAC1
I/O(Analog)
None
24
Analog Vdd = 3.3V to 5V
I(Analog)
None
25
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
217
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007