STAC9202 Datasheet, PDF (18/135 Pages) Integrated Device Technology – 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH

STAC9202
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
4. FUNCTIONAL BLOCK DIAGRAM
4.1. STAC9202
Figure 1. STAC9202 Functional Block Diagram
PC AUDIO
Pin 5
SD0
BIT_CLK^{Pin 6}
SDI- _{Pin 8}
CODEC
SYNC ^{Pin 10}
Pin 11
Reset #
Stream/
Channel
Select
Stream/
Channel
Select
Stream/
Channel
Select
Stream/
Channel
Select
SPDIF
Receiver
PCM to
SPDIF
OUT
Pin 12
Analog PC
Beep
Pin 47
SPDIF IN
SPDIF Pin 48
-6dB
Σ
vol mute +0 dB
DAC A DAC A
Digital Analog
Σ
vol mute
Digital
PC Beep
HP
Out
HP
Out
Line
Out
STEREO
ADC
+22 dB mute vol
MIC
Boost
Pin 13: Sense A
Pin 27: VREF In
Pin 28: VREF Out (switchable Mic Bias)
Pin 29: VREF Out (switchable Mic Bias)
Pin 32: CAP 2
Pin 33: GPIO0
Pin 34: GPIO1
Pin 45: GPIO2
Pin 47: GPIO3
Line
Out
CD
Digital Mic
Interface
Clock
Control
MONO_OUT
Pin 37
Pin Complex _{Port A}
Pins 39/41
Pin Complex _{Port D}
Pins 35/36
Pin Complex _{Port C}
Pins 23/24
Pin Complex _{Port B}
Pins 21/22
CD In
Pin Complex
Pins 18/20
DMIC_L,
DMIC_R
DMI_CLK
Pins 43/44
Pin 46
IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES 18
IDT CONFIDENTIAL
STAC9202
V 1.1 102606