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MIC_MCLK
MIC_BCK
MIC_LRCK
MIC_SDIN
DMIX_MCLK
DMIX_BCK
DMIX_LRCK
DMIX_SDOUT
PWM1_P
PWM1_M
PWM2_P
PWM2_M
PWM3_P
PWM3_M
PWM4_P
PWM4_M
PWM5_P
PWM5_M
PWM6_P
PWM6_M
PWM7_P
PWM7_M
PWM8_P
PWM8_M
PWM_HP_L_P
PWM_HP_L_M
PWM_HP_R_P
PWM_HP_R_M
PWM_SWL_P
PWM_SWL_M
SPI/I2C
SO/SDA
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
30
O
Main clock for external microphone input A/DC.
Clock frequency can be selected between 6.144MHz,
12.288MHz, and 24.576MHz.
31
I/O
PCM bit clock input/output of external microphone.
Bit clock frequency is 3.072MHz (48kHz x 64, fixed)
32
I/O
PCM Word clock (left-right clock) input/output of external
microphone. Word clock rate is 48kHz (fixed).
33
I
PCM serial data input of external microphone.
Schmitt-Trigger input.
93
O
Main clock for external down-mix line output D/AC.
89
O
PCM bit clock output of down-mix signal.
Bit clock frequency is 6.144MHz (96kHz x 64, fixed)
88
O
PCM Word clock (left-right clock) output of down-mix signal.
Word clock rate is 96kHz (fixed).
90
O
PCM serial data output of down-mix signal.
PWM Audio Output
49
O
Positive PWM output of channel 1.
48
O
Negative PWM output of channel 1.
52
O
Positive PWM output of channel 2.
51
O
Negative PWM output of channel 2.
55
O
Positive PWM output of channel 3.
54
O
Negative PWM output of channel 3.
59
O
Positive PWM output of channel 4.
58
O
Negative PWM output of channel 4.
62
O
Positive PWM output of channel 5.
61
O
Negative PWM output of channel 5.
68
O
Positive PWM output of channel 6.
67
O
Negative PWM output of channel 6.
71
O
Positive PWM output of channel 7.
70
O
Negative PWM output of channel 7.
75
O
Positive PWM output of channel 8.
74
O
Negative PWM output of channel 8.
46
O
Positive PWM output of headphone left channel.
45
O
Negative PWM output of headphone left channel.
41
O
Positive PWM output of headphone right channel.
40
O
Negative PWM output of headphone right channel.
37
O
Positive PWM output of subwoofer line output.
36
O
Negative PWM output of subwoofer line output.
System Control Interface
84
I
Host interface mode (SPI or I2C) selector.
Assert 'HIGH' for SPI mode. De-assert 'LOW' for I2C mode.
Internal pull-down resistor.
78
I/O
SO for SPI mode or SDA for I2C mode.
2-43
LGE Internal Use Only
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