STAC9227 Datasheet, PDF (226/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
8.2. Pin Table
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
AVSS1
VREF FILT
VREFOUT-B
Table 560. Pin Table
Pin Function
Digital Vdd = 3.3 V
Volume Control
OR
Digital Mic 0 Input/General Purpose I/O
I/O
I(Digital)
I/O(Digital)
Volume Control
OR
Digital Mic 1 Input/General Purpose I/O
I/O(Digital)
Digital Ground
I(Digital)
HD Audio Serial Data output (inbound stream) I/O(Digital)
HD Audio Bit Clock
I(Digital)
Digital Ground
I(Digital)
HD Audio Serial Data (outbound stream) O(Digital)
Digital Vdd = 3.3 V
I(Digital)
HD Audio Frame Sync
I(Digital)
HD Audio Reset
I(Digital)
PC Beep
I(Analog)
Jack insertion detection Ports A,B,C,D
I(Analog)
Input/Output of Left DAC2
I/O(Analog)
Input/Output of Right DAC2
I/O(Analog)
Input/Output of Left DAC3
I/O(Analog)
Input/Output of Right DAC3
I/O(Analog)
CD Audio Left Channel
I(Analog)
CD Audio Analog Ground
I(Analog)
CD Audio Right Channel
I(Analog)
Input/Output of Left DAC0,3 & 4
I/O(Analog)
Input/Output of Right DAC0, 3 & 4
I/O(Analog)
Input/Output of Left DAC1
I/O(Analog)
Input/Output of Right DAC1
I/O(Analog)
Analog Vdd = 3.3 V to 5 V
I(Analog)
Analog Ground
I(Analog)
Analog Virtual Ground
O(Analog)
Reference Voltage out drive
(intended for mic bias) for Port B
O(Analog)
Internal Pull-up/
Pull-down
None
Pull-Up 50 KΩ with
Volume, GPIO or
Pull-down 50 KΩ with
Digital Mic
Pull-Up 50 KΩ with
Volume, GPIO or
Pull-down 50 KΩ with
Digital Mic
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Pin
Location
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
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
226
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007