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Sony Semiconductor Electronic Components Datasheet

CXD2053AS Datasheet

Auto Wide/ EDTV-II ID Detection/ ID-1 Detection

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CXD2053AS pdf
CXD2053AM/AS
Auto Wide, EDTV-II ID Detection, ID-1 Detection
For the availability of this product, please contact the sales office.
Description
The CXD2053AM/AS is an IC which has the three
functions of identifying the wide video (auto wide),
detecting the EDTV-II ID, and detecting ID-1 (EIAJ,
CPX1024) from the video signal.
CXD2053AM
28 pin SOP (Plastic)
CXD2053AS
28 pin SDIP (Plastic)
Features
Video aspect ratio identification used with wide
TVs is realized with a single chip.
I2C bus interface.
This IC can also be used without the bus.
For auto wide function, 525/60 (NTSC) and 625/50
(PAL, SECAM) can be Supported.
Applications
Wide TV
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
Block Diagram
ADIN 2
AD Converter
VDIN 11
VSIN 10
Data Slice Sync
Separator
Auto wide
Identification
EDTV-II
ID Decoder
ID-1 Decoder
Timing Signal
Generator
26 OAW1
27 OAW2
28 OED
25 O164
24 OLBX
I2C Bus Interface
15 SCL
16 SDA
19 MCON
22 21
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–
E96531-ST


Sony Semiconductor Electronic Components Datasheet

CXD2053AS Datasheet

Auto Wide/ EDTV-II ID Detection/ ID-1 Detection

No Preview Available !

CXD2053AS pdf
CXD2053AM/AS
Pin Description
Pin
No.
Symbol
I/O
I/O level
Description
1 AVDD
ANALOG Analog power supply.
2 ADIN
I ANALOG AD converter input.
3 AVSS
ANALOG Analog ground.
4 CPV
I ANALOG Clamp voltage.
5 VRB
I ANALOG AD converter bottom voltage.
6 VRT
I ANALOG AD converter top voltage.
7 CCP
I ANALOG AD converter clamp integrating capacitor connection.
8 ISET
I ANALOG Bias current setting.
9 AVDD
Analog power supply
10 VSIN
I ANALOG Sync separation input.
11 VDIN
I ANALOG Data slicer input.
12 AVSS
13 TST1
14 TST2
Analog ground.
I TTL2 Test input; connect to VSS.
I TTL2 Test input; connect to VSS.
15
SCL
[EDDEC2]
I
CMOS1 I2C bus clock [EDTV-II decoding identification switching]
16
SDA
[ED2FSC]
I/O
CMOS1, 3 I2C bus data [EDTV-II 3.58 M check existence]
17 VSS
18 XRST
Digital ground.
I TTL1 Reset at 0.
19 MCON I TTL I2C bus-free mode switching; 0 = I2C-free.
20 VDD
Digital system power supply.
21 XO
O CMOS Oscillator connection (14.318MHz).
22 XI
I CMOS Oscillator connection or clock input.
23 VSS
Digital ground.
24 OLBX
O CMOS VB-ID detection output; 1 = letter-box, 0 = normal.
25 O164
O CMOS VB-ID detection output; 1 = full mode.
26 OAW1
O CMOS Auto wide identification output; 1 = wide video subtitles not present.
27 OAW2
O CMOS Auto wide identification output; 1 = wide video subtitles present.
28 OED
O CMOS EDTV-II ID bit 3 detection output.
1 Schmitt input
2 With pull-down resistor
3 Open drain
Note) In I2C-free mode when Pin 19 (MCON) = 0, Pins 15 and 16 switch to the functions in parentheses [
].
–2–


Part Number CXD2053AS
Description Auto Wide/ EDTV-II ID Detection/ ID-1 Detection
Maker Sony Corporation
Total Page 14 Pages
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