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LG HT353SD-A2 - IC704 PWM Pin Descriptions (Part 2)

LG HT353SD-A2
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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2-43
MIC_MCLK 30 O Main clock for external microphone input A/DC.
Clock frequency can be selected between 6.144MHz,
12.288MHz, and 24.576MHz.
MIC_BCK 31 I/O PCM bit clock input/output of external microphone.
Bit clock frequency
is 3.072MHz (48kHz x 64, fixed)
MIC_LRCK 32 I/O PCM Word clock (left-right clock) input/output of external
microphone. Word clock rate is 48
kHz (fixed).
MIC_SDIN 33 I PCM serial data input of external microphone.
Schmitt-Trigger i
nput.
DMIX_MCLK 93 O Main clock for external down-mix line output D/AC.
DMIX_BCK 89 O PCM bit clock output of down-mix signal.
Bit clock frequency
is 6.144MHz (96kHz x 64, fixed)
DMIX_LRCK 88 O PCM Word clock (left-right clock) output of down-mix signal.
Word clock rate is 96kHz (fixed).
DMIX_SDOUT 90 O PCM serial dat
a output of down-mix signal.
PWM Audio Output
PWM1_P 49 O Positive PWM output of channel 1.
PWM1_M 48 O
Negative PWM output of channel 1.
PWM2_P 52 O Positive PWM output of channel 2.
PWM2_M 51 O
Negative PWM output of channel 2.
PWM3_P 55 O Positive PWM output of channel 3.
PWM3_M 54 O
Negative PWM output of channel 3.
PWM4_P 59 O Positive PWM output of channel 4.
PWM4_M 58 O
Negative PWM output of channel 4.
PWM5_P 62 O Positive PWM output of channel 5.
PWM5_M 61 O
Negative PWM output of channel 5.
PWM6_P 68 O Positive PWM output of channel 6.
PWM6_M 67 O
Negative PWM output of channel 6.
PWM7_P 71 O Positive PWM output of channel 7.
PWM7_M 70 O
Negative PWM output of channel 7.
PWM8_P 75 O Positive PWM output of channel 8.
PWM8_M 74 O
Negative PWM output of channel 8.
PWM_HP_L_P 46 O Positive PWM output of headphone lef
t channel.
PWM_HP_L_M 45 O Negative PWM output of headphone lef
t channel.
PWM_HP_R_P 41 O Positive PWM output of headphone right channel.
PWM_HP_R_M 40 O Negative PWM output of headphone right channel.
PWM_SWL_P 37 O
Positive PWM output of subwoofer line output.
PWM_SWL_M 36 O
Negative PWM output of subwoofer line output.
System Control Interface
SPI/I2C 84 I Host interface mode (SPI or I2C) selector.
Assert HIGH for SPI mode. De-assert LOW for I2C mode.
Internal pull-down resistor
.
SO/SDA 78 I/O SO for SPI mode or SDA
for I2C mode.

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