STAC9220 Datasheet, PDF (167/172 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Pin Name
Pin Function
I/O
Internal
Pull-up
/Pull-down
Pin
Location
PORT-D_L(HP)
Input/Output of Left DAC0
I/O(Analog)
None
35
PORT-D_R(HP)
Input/Output of Right DAC0
I/O(Analog)
None
36
VREFOUT-A
Reference Voltage out drive (intended for microphone bias) for Port A O(Analog)
None
37
AVDD2
Analog Vdd = 5.0 V or 3.3 V
I(Analog)
None
38
PORT-A_L (HP)
Input/Output of Left DAC0
I/O(Analog)
None
39
NC
No Connect
N/C
None
40
PORT-A_R (HP)
Input/Output of Right DAC0
I/O(Analog)
None
41
AVSS3
Analog Ground
I(Analog)
None
42
NC
No Connect
O(Digital)
None
43
GPIO2 / LR_CLK
General Purpose I/O tied to AVDD50K
internal pull-up to AVddgnda
I/O(Digital)
Pull-up 50 KΩ
or more
44
GPIO0/SDATA / IS OUT
General Purpose I/O tied to AVDD50K
internal pull-up to AVddgnda
I/O(Digital)
Pull-up 50 KΩ
or more
45
GPIO1 / SCLK
General Purpose I/O tied to AVDD50K
internal pull-up to AVddgnda
I/O(Digital)
Pull-up 50 KΩ
or more
46
GPIO3 / SPDIFIN
General Purpose I/O/SPDIF Input
I/O(Digital)
Pull-up 50 KΩ
or more
47
SPDIF-OUT/ADAT
SPDIF digital output / ADAT
O(Digital)
None
48
*Port F can drive 32 ohm headphones but is designed to provide less power than the headphone
amplifiers on ports A and D.
IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
167
STAC9220/9221/9223
V 0.96 102706