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Sony Semiconductor Electronic Components Datasheet

CXD2131Q Datasheet

Video Aspect Ratio Identification Signal Encoder/Decoder

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CXD2131Q pdf
CXD2131Q
Video Aspect Ratio Identification Signal Encoder/Decoder
For the availability of this product, please contact the sales office.
Description
The CXD2131Q is an IC that encodes and
32 pin QFP (Plastic)
decodes video aspect ratio identification signal
(conforming to EIAJ Standard CPX-1204) in the
vertical blanking interval of an NTSC video signal.
Features
The processing formerly carried out by the two
chips CXA1727Q and CXD2122AQ has been
consolidated into this one chip.
Both microcomputer serial interface and I2C
interface functions are built in.
Applications
Wide-screen
converters
televisions,
VCRs,
MUSE-NTSC
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings
Supply voltage VDD VSS – 0.5 to +7.0
Input voltage VI VSS – 0.5 to VDD + 0.5
Output voltage VO VSS – 0.5 to VDD + 0.5
Storage temperature
Tstg –55 to +150
V
V
V
°C
Recommended Operating Conditions
Supply voltage VDD
4.5 to 5.5
Operating temperature
Topr
–20 to +70
V
°C
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–
E94Z26-ST


Sony Semiconductor Electronic Components Datasheet

CXD2131Q Datasheet

Video Aspect Ratio Identification Signal Encoder/Decoder

No Preview Available !

CXD2131Q pdf
Block Diagram
CXD2131Q
VIN11 27
VIN12 28
Sync Separator
Chip Clamp
Pedestal
Clamp
Data Slicer
VIN21 29
Sync Separator
Chip Clamp
VIN22 30
Pedestal
Clamp
Data Slicer
VIN3 31
16
Timing Signal
Generator
Decoder
14
CRCC-OK
CRCC Check
Data Validity
Criterion
VALID
VOUT 32
Encoder
14 12
2
14
2
2
14
VCR 4-line Serial
Interface
I2C Bus Interface
21 O164
20 OLBX
15 CRCO
10 SROT
11 XCS
12 SCLK
13 SRIN
17 SCL
18 SDA
67
9 MCON
Internal clock
2
1/4
Frequency
Divider
3
4
–2–


Part Number CXD2131Q
Description Video Aspect Ratio Identification Signal Encoder/Decoder
Maker Sony Corporation
Total Page 13 Pages
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