LG LH-T3520X Service Manual page 52

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