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Sony Semiconductor Electronic Components Datasheet

CXA3572R Datasheet

Driver/Timing Generator for Color LCD Panels

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CXA3572R
Driver/Timing Generator for Color LCD Panels
Description
The CXA3572R is an IC designed to drive the color
LCD panel ACX306/312.
This IC greatly reduces the number of peripheral
circuits and parts by incorporating a RGB driver and
timing generator for video signals and a VCO onto a
single chip. This chip has a built-in serial interface
circuit and electronic attenuators which allow various
settings to be performed by microcomputer control,
etc.
Features
Color LCD panel ACX306/312 driver
Supports NTSC and PAL systems
Supports Y/color difference and RGB inputs
Supports OSD input
Power saving function (clock stopped)
Various setting control using a serial interface
circuit (asynchronous type)
Electronic attenuators (D/A converter)
VCO (no external oscillator circuit)
LPF (fc variable)
COMMON and PSIG output circuits
Sharpness function
2-point γ correction circuit
R, G, B signal delay time adjustment circuit
Sync separation circuit
D/A output pin (0 to 3V, 8 level output)
Output polarity inversion circuit
Supports AC drive for LCD panel during no signal
Applications
Compact LCD monitors, etc.
48 pin LQFP (Plastic)
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
VCC1
5.5
V
VCC2
15
V
VDD 4.6 V
Analog input pin voltage
VINA1 (Pins 18, 19, 20, 22, 23, 24 and 25)
GND – 0.3 to VCC1 + 0.3 V
VINA2 (Pin 16)
GND – 0.3 to VCC2 + 0.3 V
Digital input pin voltage
VIND (Pins 34 and 35) VSS – 0.3 to +5.5 V
Common input pin voltage
VINAD (Pins 31, 32 and 33)
GND, VSS – 0.3 to +5.5 V
Operating temperature Topr –15 to +75 °C
Storage temperature Tstg –55 to +150 °C
Allowable power dissipation (Ta 25°C)
PD 600 mW
Operating Conditions
Supply voltage VCC1 – GND1 2.7 to 3.6
VCC2 – GND2 11.0 to 14.0
VDD – VSS
2.7 to 3.6
V
V
V
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E00Y05A11-PS


Sony Semiconductor Electronic Components Datasheet

CXA3572R Datasheet

Driver/Timing Generator for Color LCD Panels

No Preview Available !

Block Diagram
CXA3572R
SYNC IN 25
DA OUT 26
REF 27
FILTER 28
RPD 29
GND1 30
SEN 31
SCK 32
SDAT 33
VD 34
XCLR 35
POF 36
24 23 22
+3V
21
20 19 18
17 16
PICTURE Gain PICTURE f0
MODE
+12V
15 14 13
ATT
ATT
ATT
DA DA
REF
R, G, B
PICTURE
HUE
DL MATRIX
COLOR
DL
HUE COLOR
PSIG-
BRIGHT
LPF SUB-
TRAP CONTRAST
CONTRAST
USER-
BRIGHT
GAMMA1
GAMMA2
SUB-
BRIGHT
OSD
CONTRAST
SYNC SEP
USER-
BRIGHT
SYNC SEL
S/H BLIM
PHASE
COMPARATOR
CLOCK
GENERATOR
BLIM
Analog block 3V
COM
12 G OUT
11 G DC DET
10 R OUT
9 R DC DET
8 B OUT
FRP
COM
Analog block 12V
XSTBY2
7 B DC DET
6 COM
5 GND2
SERIAL I/F
PLL
COUNTER
H. FILTER
TIMING GENERATOR
Digital block 3V
4 TEST
3 VST
2 VCK
1 EN
+3V 0V
+3V 0V
37 38 39 40 41 42 43 44 45 46 47 48
–2–


Part Number CXA3572R
Description Driver/Timing Generator for Color LCD Panels
Maker Sony Corporation
Total Page 30 Pages
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