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Description
The SAA5700 is a Chinese teletext decoder suitable for TV and multimedia applications. It incorporates all the data slicing, acquisition and display circuitry on-chip, as well as the logic for memory management. An external DRAM is used to store the currently displayed page and also the precaptured teletext pages.
Specifications and features
- Acquisition and display of the 625-line PAL CCST Chinese standard for teletext, with Chinese and Latin character sets.
- Supports multiple DRAM sizes: 256K × 4 bits, 1M × 4 bits, 4M × 4 bits and 2 × 1M × 4 bits with an additional decoder/demultiplexer IC.
- Acquires and stores in background up to (typically) 400 pages with 1M × 4 bits external DRAM.
- CCST Fastext, with capability of displaying Chinese characters on Fastext prompt row.
- Meshing for reduced contrast video background in subtitles and boxes.
- Full line and screen colour to all edges of screen.
- Supports 625-line 50/100 Hz display modes.
- Scan-locked and stand-alone sync modes; supports video-locked sync modes with external PLL.
- Easy control via high level I2C-bus SAFARI commands.
- Sync mode switching and picture centring via I2C-bus SAFARI commands.
- Supports external decryption unit for encrypted data.Application Scenarios
The SAA5700 is commonly used in TV and multimedia applications as a teletext decoder. It is designed to support the 625-line PAL CCST Chinese standard for teletext and can acquire and display multiple pages with various DRAM sizes.
Comparison
Advantages- Supports multiple DRAM sizes, allowing for different storage capacities.
- Easy control via high level I2C-bus SAFARI commands.
- Supports external decryption unit for encrypted data.Disadvantages- Meshing for reduced contrast video background in subtitles and boxes may affect the readability of the content.
- Requires an external DRAM for storing pages, which may add to the cost and complexity of the system. -
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Datenblatt
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
- - Automatic Email notification (above 5 times)
- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
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Beliebte Teile der gleichen Art
- Datasheet: Download SAA5700GPK7L274
- Chipdaten Teil: CD94-SAA5700GPK7L274
- Lagerhaus: China, Hongkong
- Versenden: Innerhalb von 24 Stunden
- Kostenloser Versand: Yes
- Bevorzugter Versand: Yes, 3-5 days
- Letzte Aktualisierung: 2024/06/03 11:05 +0800
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Die Gebühr wird gemäß der PayPal-Regel erhoben.
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Die Gebühr wird gemäß der PayPal-Regel erhoben.
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Western Union erhebt eine Bankgebühr von 0,00 US-Dollar.
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Wir empfehlen, bei größeren Bestellungen die Banküberweisung zu nutzen, um Bearbeitungsgebühren zu sparen.
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DHL(www.dhl.com)
Zeitlich begrenztes Angebot im Wert von 40 $. -
UPS(www.ups.com)
Zeitlich begrenztes Angebot im Wert von 40 $. -
FedEx(www.fedex.com)
Zeitlich begrenztes Angebot im Wert von 40 $. -
Registered Mail(www.singpost.com)
Kostenloser Versand ohne Mindestbestellwert.
