- 45 -
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
LGE Internal Use Only
3.6 CAMERA, LCD FUNCTION
Figure. 3-6-1 LCD, CAMERA block diagram
PPI
EBUS2
MMC
CAM_MCLK
MUXOUT1
2
CAM_I2C
CAM_VSYNC
CAM_HSYNC
CAM_PCLK
8
CAM_DATA[0:7]
CAM_RESET
16
4
nLCD_MAIN_CS
LCD_DATA[00:15]
LCD_ID
2.0" RGB 16bit
176xRGBx220
nLCD_RS
nLCD_WR
512Mb NOR + 128Mb SDRAM
INTEL
M
C
_
D
[0
:3
]
MC
_
C
LK
MC
_C
MD
MC
_D
ETE
CT
2.0M pixel FF
Toshiba ET8EJ0-AS
EBUS (EBC/SDC)
16
25
LCD_VSYNC
(CLK / SDA)
DC
DC
CAM_POWER
2.8V
300mA
1.8V
300mA
DC
DVDD
IOVDD
2.8V
(BCLK/n)
2 n 8
Blackfin DSP Core
ARM926EJ-S
MCU Core
MCUEBUS
MCUPBUS
AVDD
LGDP4523
DC
VBAT
LCD_BACKLIGHT
AAT3157
(S
2
Cwire
TM
interface)
A
D
D
[01:
25]
DAT
A[
00
:1
5
]
nROM
_CS0
nR
D/nW
E
BU
RST
C
LK
/nW
A
IT/nA
DV
SD
_CS/
D
QM
[0:
1
]
S
D
_R
AS
/SD_
CA
S/SD
_WE
SD
_C
L
K
/SD
_
C
K
E
nF
_
D
P
D
PPI_DATA[2:9]
nLCD_RESET
CAM_PWDN
EBUS
DSP
BUS
/ DDB
U
S
APBUS
BUS Interface Unit
BUS Interface Unit
System RAM
4Mbit
SYSDMA
MCURBUS
APPDMA
RBUS
PBUS
TF_PWR_EN
▣