stac9272 Integrated Device Technology, stac9272 Datasheet - Page 217

• Manufacturer Part Number: stac9272
• Description: 10-channel High Definition Audio Codec
• Manufacturer: Integrated Device Technology

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