STAC9228 Integrated Device Technology, STAC9228 Datasheet - Page 226

• Manufacturer Part Number: STAC9228
• Description: Theater Quality Eight Channel High Definition Audio Codec With Digital Microphone Interface
• Manufacturer: Integrated Device Technology

IDT™
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
Volume Down/DMIC1/GPIO2
8.2.
Volume Up/DMIC0/GPIO1
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PORT-B_R (HP)
PORT-B_L (HP)
DVDD_CORE
DVDD_CORE
SDATA_OUT
VREFOUT-B
PORT-E_R
PORT-F_R
PORT-C_R
VREF FILT
PORT-E_L
PORT-C_L
SDATA_IN
PORT-F_L
Pin Name
SENSE_A
Pin Table
BIT_CLK
PCBEEP
CD-GND
RESET#
DVSS3
AVDD1
AVSS1
DVSS
SYNC
CD-R
CD-L
HD Audio Serial Data output (inbound stream) I/O(Digital)
HD Audio Serial Data (outbound stream)
Digital Mic 0 Input/General Purpose I/O
Digital Mic 1 Input/General Purpose I/O
Jack insertion detection Ports A,B,C,D
Input/Output of Right DAC0, 3 & 4
(intended for mic bias) for Port B
Input/Output of Left DAC0,3 & 4
Reference Voltage out drive
Input/Output of Right DAC2
Input/Output of Right DAC3
Input/Output of Right DAC1
Input/Output of Left DAC2
Input/Output of Left DAC3
Input/Output of Left DAC1
Analog Vdd = 3.3 V to 5 V
CD Audio Analog Ground
CD Audio Right Channel
CD Audio Left Channel
HD Audio Frame Sync
Analog Virtual Ground
Digital Vdd = 3.3 V
HD Audio Bit Clock
Digital Vdd = 3.3 V
HD Audio Reset
Volume Control
Volume Control
Analog Ground
Digital Ground
Digital Ground
Pin Function
PC Beep
Table 560. Pin Table
IDT CONFIDENTIAL
OR
OR
226
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)
O(Analog)
O(Analog)
O(Digital)
I(Analog)
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
STAC9227/9228/9229/9230V 1.0 MARCH 2007
Pull-down 50 KΩ with
Pull-down 50 KΩ with
Pull-Up 50 KΩ with
Pull-Up 50 KΩ with
Internal Pull-up/
Volume, GPIO or
Volume, GPIO or
Pull-down
Digital Mic
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
None
PC AUDIO
Location
Pin
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
1
4
5
9
2
3
7
8
6