LG MCD23 User Manual

Reset and Clock
/RESET 96 I H/W reset signal. Active Low Schmitt-Trigger input.
The Schmitt-Trigger input allows a slowly rising input to reset the
chip reliably. The RESET signal must be asserted ëLowí during
power up. De-assert ëHighí for nor
mal operation.
XIN 86 Analog Crystal O
scillator input pin.
XOUT 87 Analog Crystal Oscillator
output pin.
PCM Audio Input/Output Interface
MBCK 11 I/O PCM bit clock input/output of main 8-channel audio.
User can select the master/slave mode of this signal.
Schmitt-Trigger i
nput.
MLRCK 12 I/O PCM Word clock (left-right clock) input/output of main 8-channel
audio. User can select the master/slave mode of this signal.
Schmitt-Trigger i
nput.
MSDIN [3:0] 15, 16, 17, 18 I PCM serial data input of main 8-channel audio.
Schmitt-Trigger i
nput.
SBCK 19 I/O PCM bit clock input/output of 8-channel audio.
User can select the master/slave mode of this signal.
Schmitt-Trigger i
nput.
3-45
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
SLRCK 20 I/O PCM word clock (left-right clock) input/output of sub 8-channel
audio. User can select the master/slave mode of this signal.
Schmitt-Trigger i
nput.
SSDIN [3:0] 23, 24, 25, 26 I/O PCM serial data input of sub-channel audio.
User can set this sub-channel data input pins to PCM serial data
output pins. See the Control Register Description part.
Schmitt-Trigger i
nput
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 data 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.

LG MCD23 Specifications

General

Brand	LG
Model	MCD23
Category	Stereo System
Language	English