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3.13. Audio and sound
3.13.1. Overview of Audio & Sound & BT path
ANT
STLC2500C
Filter
(BT)
PCM
BT_19.2M
UART
UART0
MSPRXD0
STN8810
(CPU)
I2S
MSPRCK0
MSPRFS0
I2CSCL0
I2CSDA0
GPIO
HOOK_SENSE_N
EAR_SENSE_N
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Level
Shifter
WM_DACDAT
WM_MSPRXD0
Switch
WM_BCLK
WM_LRC
Switch
WM_MSPTCK0
WM_MSPTFS0
PM_SCL
Level
PM_SDA
Shifter
MSM
Figure. Block diagram ofaAudio &sSound path
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3. TECHNICAL BRIEF
VREG_MSMP_2.7V
MIC_BIAS
PCM
MIC1
GPIO
LOUT2
AMP
ROUT2
GPIO
SPK_AMP_SD_N
OUT3
GPIO
LOUT1
ROUT1
WM_8753
(Audio Codec)
I2S
MIC2
SCL
SDA
RXP
RSN
WM_MONO1
WM_MONO2
AU_19.2M
MIC
Speaker
Receiver
Head Set
LGE Internal Use Only
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