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Sony Semiconductor Electronic Components Datasheet

CXA3268AR Datasheet

Driver/Timing Generator for Color LCD Panels

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CXA3268AR pdf
CXA3268AR
Driver/Timing Generator for Color LCD Panels
Description
The CXA3268AR is an IC designed to drive the color
LCD panels ACX300, ACX301, ACX302 and ACX703.
This IC greatly reduces the number of peripheral
circuits and parts by incorporating a RGB driver and
timing generator for video signals 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.
72 pin LQFP (Plastic)
Features
Color LCD panel ACX300, ACX301, ACX302 and
ACX703 driver
Supports NTSC and PAL systems
Supports 16:9 wide display (letter box and pulse
elimination display)
Supports Y/color difference and RGB inputs
Supports OSD input (digital input)
Power saving function
Serial interface circuit
Electronic attenuators (D/A converter)
Trap and LPF (f0, fc variable)
COMMON and PSIG output circuits
Sharpness function
2-point γ correction circuit
R, G, B signal delay time adjustment 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.
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage VCC1
6
V
VCC2
15
V
VCC3
15
V
VDD 5.5 V
Analog input pin voltage
VINA (Pins 57, 58 and 59)
GND – 0.3 to VCC1 + 0.3 V
VINA (Pins 3, 69)
VCC1
V
VINA (Pin 30)
1.5 to VCC2 – 4
V
VINA (Pin 71)
0.9 Vp-p
VINA (Pins 70, 72)
0.8 Vp-p
Digital input pin voltage
VIND (other than Pins 5, 10, 14, 15 and 16)
VSS – 0.3 to VDD + 0.3 V
VIND (Pins 5, 10)
VSS – 0.3 to +5.5 V
Common input pin voltage
VINAD (Pins 14, 15 and 16)
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
PD (Ta 25°C) 737
mW
Operating conditions
Supply voltage
VCC1 – GND1 2.7 to 3.6
V
VCC2 – GND2 11.0 to 14.0
V
VCC3 – GND3 11.0 to 14.0
V
VDD – Vss
2.7 to 3.6
V
Input voltage
SIG.C voltage
VSIG.C
5.0 to 6.5
V
RGB input signal voltage (Pins 70, 71 and 72)1
VRGB
0 to 0.7 (0.5 typ.) Vp-p
Y input signal voltage (Pin 71)2
VY 0 to 0.5 (0.35 typ.) Vp-p
R-Y input voltage (Pin 72)2
VR-Y
0 to 0.49 (0.245 typ.) Vp-p
B-Y input voltage (Pin 70)2
VB-Y
0 to 0.622 (0.311 typ.) Vp-p
1 During RGB input
2 During Y/color difference input
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–
E99529B98-PS


Sony Semiconductor Electronic Components Datasheet

CXA3268AR Datasheet

Driver/Timing Generator for Color LCD Panels

No Preview Available !

CXA3268AR pdf
Block Diagram
CXA3268AR
54 53
Vss Vss
VDD 55 +3.0V
TST11 56
OSD B 57
S/H
GEN
OSD R 58
OSD G 59
NC 60
HCK1 61
HCK2 62
HCK
GEN
Vcc1 63 +3.0V
52 51 50 49 48 47 46 45 44 43 42 41 40
GND3
+12.0V
CONT
OSD RGB
CONTRAST
S/H
LPF
FILTER USER-BRIGHT
U-BRT
PSIG-
Buf BRT
PSIG-
BRIGHT
POL SW
TRAP
LPF
GR
MODE
PIC-G
CLAMP
GR
MATRIX
FILTER
BIAS
B
GAMMA
CLAMP
BLK-LIM
γ1γ2
WHITLIM
SUB-CONT R
SUB-CONT B
BLKLIM
SUB-BRIGHT
SUB-BRT R
SUB-BRT B
B
POL SW
39 38 37
+12.0V
36 G OUT
Buf
35 G DC DET
Buf 34 R OUT
33 R DC DET
Buf 32 B OUT
31 B DC DET
Buf
30 SIG.C
COM-DC
SIG.C
29 GND2
GND2
28 TST2
HST 64
EN 65
VCK 66
VST 67
RGT 68
FIL IN 69
B/B-Y 70
G/Y 71
R/R-Y 72
HCOUNTER
HPULSE
GEN
PICTURE DL1 DL1
PIC-F
HUE
HUE
COLOR
CLAMP
CLP
MODE
DA REF
H.FILTER SYNC SEP
Buf Buf
Vss
1234567
8
PULSE
ELM
PLL
COUNTER
V CONTROL
V POSITION
V COUNTER
V SEP
HDO GEN
27 HDO
VDO GEN
26 VDO
25 XCLR
PHASE
COMPARATOR
HSYNC DET
H SKEW DET
24 RPD
Vss 23 Vss
22 CKI
CK
CONTROL
CLK
MCK
21 CKO
+3.0V 20 VDD
+3.0V 19 VDD
GND1
S/P CONV
REGISTER DAC
Vss
9 10 11 12 13 14 15 16 17 18
–2–


Part Number CXA3268AR
Description Driver/Timing Generator for Color LCD Panels
Maker Sony Corporation
Total Page 30 Pages
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CXA3268AR pdf
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