LG MCD23 User Manual

3-44
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
PLL
PWM
Modulato
r
Internal Controls
MLRCK
MBCK
MSDIN[0:3]
SCK/SCL
SO/SDA
SI/I2C_AD0
/CS/I2C_
AD2
PWM2_P/M
PWM3_P/M
PWM4_P/M
PWM5_P/M
PWM6_P
/M
/RESET
OVERLOAD
EXT_MUTE
PWM1_P/M
PWM8_P/M
Internal Clock
SPI/I2C
PWM7_P/M
SLRCK
SBCK
SSDIN[0:3]
PWM_HP_R_P/M
PWM_HP_L_P/M
EPD_ENA
PWM_SWL_P
/M
MIC_LRCK
MIC_BCK
MIC_SDIN
MIC_MCL
K
DMIX_MCLK
OLRCK
OBCK
DMIX_S
DOUT
PLL_DVDD
PLL_DVSS
PLL_AVDD
PLL_AVSS
DVDD
DVSS
IO_VDD
IO_VS
S
Power Supply
Reset & Power Do
wn
Internal Reset
Serial Audio
Output
interfac
e
Automatic
Gain
Limi
ter
Main
Volum
e
Trim
Volume
Bass
Manager
EQ
Down
Mixe
r
Mixe
r
Mic.
Input
Processo
r
Input
Map
per
Sample
Rate
Converte
r
Input
&
Output
MUX
Host
Interface
(I
2
C, SPI)
Serial
Audio
Output
interfac
e
Output Mapper
POP
NR
Crystal
Oscillator
XI N
XOU
T
Name Pin NO. Type Description
Power and Ground
PLL_AVDD 6 Analog
Power
PLL analog power supply.
PLL_AVSS 8 Analog
Ground
PLL analog grou
nd.
PLL_DVDD 3 PLL
Power
PLL digital power supply.
PLL_DVSS 2 PLL
Ground
PLL digital groun
d.
DVDD 13, 34, 42,
66, 80, 91
Power Core power supply
.
DVSS 14, 35, 43,
63, 81, 92
Ground Core digital grou
nd.
IO_VDD 4,
10, 22, 29, 39, 47,
56, 65, 72, 94
Power I/O power supply. 3.3V Digital power supply.
IO_VSS 1, 5, 7, 9, 21,
28, 38, 44, 50,
53, 57, 60, 64,
69, 73, 85, 95
Ground I/O digital ground.
2. IC302_PCM2704(D/A CONVERTER)
• BLOCK DIAGRAM
• PIN DESCRIPTION

LG MCD23 Specifications

General

Brand	LG
Model	MCD23
Category	Stereo System
Language	English