5. BLOCK DIAGRAM
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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
[D855] Audio Codec I/F
MSM8974AB
RCV
SPK
LINE_OUT1
MCLK
SLIMBUS_CLK
SLIMBUS_DATA
SLIMBUS_CLK
CODEC_MCLK
IINRT1
EAROP
EAROM
RCV_P
RCV_N
LINE_OUT3
SLIMBUS_DATA
PM8941
GPIO_93
INRT2
CODEC_INT_1
GPIO_72
GPIO_70
GPIO_71
SPK_OUT_P
SPK_OUT_N
CODEC_INT_2
CODEC_RESET_N
GPIO_63
Boost
amp
(cs35LS32)
LINE_OUT_P
LINE_OUT_N
GPIO_54
AMP_INT_N
INT
AMP_RESET_N
RESET
GPIO_07
MCLK
SCLK
LRCK
SDOUT
GPIO_67
GPIO_58
GPIO_59
GPIO_60
AMP_I2S_MCLK
AMP_I2S_SCLK
AMP_I2S_WS
AMP_!2S_DOUT
RF_PA_OW
RESET_N
TX_GTR_THRESE
GPIO_116
Detect
GPIO_83
GPIO_84
VREG_S3A (1.8V, 2A
)
COMMON_I2c_SDA
COMMON_I2c_SDl
GPIO_15
+1V8_VREQ_S3A
MPP_06/ ENET_RST_N
Out+
Out-
WCD9320
MAIN MIC
MAIN_MIC_N
MAIN_MIC_P
UART
MIC1_INP
MIC1_INN
SUB MIC1
MIC_IN3_N
MIC_IN3_P
MIC2_INP
BT/WIFI
MODULE
(BCM4339)
HPH_R_OUT
HPH_L_OUT
HPH_LP
HPH_TM
HPH_REF
GPIO_0
GPIO_1
MSM_UART_TX
MSM_UART_RX
HPH_REF
HPH_AUD_SW
PCM
4
4
6
SDIO
MIC3_INP
IMIC3_INN
EAR_MIC_JACT_OUT
SUB MIC2
SUB_MIC2_N
SUB_MIC2_P
MIC5_INP
MIC5_INN
Detect
(max14688)
EAR_SENSE_JACT
EAR_MIC_JACT
DETIN
INT
MIC_OUT