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參數(shù)資料
| 型號(hào)： | SDA5642 |
| 廠商： | SIEMENS A G |
| 元件分類： | 圖文 |
| 英文描述： | VPS-Decoder(VPS解碼器) |
| 中文描述： | TELETEXT AND VPS/PDC DECODER, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 662K |
| 代理商： | SDA5642 |
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Semiconductor Group
5
SDA 5642
SDA 5642X
Type
Ordering Code
Package
SDA 5642
Q67100-H8547
P-DIP-14-1
12.94
μ
C suitable VPS data editing direct from CVBS signal
n-channel MOS
Generating of the line synchronous 5-MHz clock for
the time base and data clock by means of PLL operation
Very few external components necessary
Adaptative data separation
Frame signal recognition
Decoder for line 16
Bi-phase and start code checking
I
2
C-Bus interface
Operating voltage: 5 V
Video input signal level 1 … 2.0
V
pp
Features
Preliminary Data
MOS IC
Functional Description
The MOS circuit SDA 5642 is used to retrieve the required data for the Video Program System
(VPS) service from the data line No. 16 which is included in the CVBS signal. These data are
decoded according to the specification given in "Richtlinie ARD/ZDF Nr. 8 R 2".
This circuit incorporates the digital functions of the VPS decoder SDA 5640 and the analog
functions of the video processor SDA 5232 on one chip. Together with a reduced number of
external components this chip is a low cost solution for the VPS detector. The single chip
solution can retrieve the data from line 16 of the CVBS signal. These data are decoded,
checked for transmission errors and are stored in registers for further processing by a
microcontroller. The
I
2
C-Bus interface is used for communication of a microcontroller with the
VPS-decoder.
The recording of programs by a VTR is controlled by the VPS label, a program related dataco-
de which accompanies each TV program during its transmission.
As a result the circuit prevents errors in the recording, as can be seen when using the timer
control, when programs are delayed, or are longer than expected.
1-Chip-VPS-Decoder
SDA 5642
SDA 5642X
SDA 5642X
Q67100-H8637
P-DSO-20-1
P-DIP-14-1
P-DSO-20-1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| sda 5650x | VPS-Decoder(VPS解碼器) |
| SDA5650 | VPS / PDC-plus Decoder |
| SDA5650X | VPS / PDC-plus Decoder |
| sda 5650 | VPS-Decoder(VPS解碼器) |
| SDA 9189X | Quarter PIP Processor(1/4 視頻畫面插入處理器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SDA5642-6 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:VPS-Decoder |
| SDA5642-6X | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:VPS-Decoder |
| SDA5648 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Decoder for Program Delivery Control and Video Program System PDC / VPS Decoder |
| SDA5648X | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Decoder for Program Delivery Control and Video Program System PDC / VPS Decoder |
| SDA5649 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Expanded Decoder for Program Delivery Control and Video Program System EPDC / VPS Decoder |
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