92HD91 Datasheet, PDF (42/298 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Figure 13. Aux Audio Playback When System Headphones are Plugged In
Playback Headphone
D-MIC
MIC
HP
DM
DAC
A
B
S
HD Audio Interface
S
E
F
I2S
CODEC
I2S
Routing
Dock
HP
MIC
SPKR
D
EQ
S
NA
C
PC
Beep
Aux Audio
Module
Filter
EC
Figure 14. Aux Audio Playback when the System is Docked and Headphones are Plugged In
Playback Dock Headphone
D-MIC
MIC
HP
DM
DAC
A
B
S
HD Audio Interface
S
E
F
I2S
CODEC
I2S
Routing
Dock
HP
MIC
SPKR
D
EQ
S
NA
C
PC
Beep
Aux Audio
Module
Filter
EC
Figure 15. Aux Audio Record when Nothing is Plugged In (or The System is not Docked)
Record Digital Mic
D-MIC
MIC
HP
DM
DAC
A
B
S
HD Audio Interface
S
E
F
I2S
CODEC
I2S
Routing
Dock
HP
MIC
SPKR
D
EQ
S
NA
C
PC
Beep
Filter
EC
Aux Audio
Module
IDT™ CONFIDENTIAL
42
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 1.2 1/12
92HD91