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AK8855 Datasheet (PDF) - Asahi Kasei Microsystems

AK8855 Datasheet PDF - Asahi Kasei Microsystems
Part # AK8855
Download  AK8855 Download

File Size   1773.3 Kbytes
Page   81 Pages
Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems
Description NTSC/PAL Digital Video Decoder

AK8855 Datasheet (PDF)

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AK8855 Datasheet PDF - Asahi Kasei Microsystems

Part # AK8855
Download  AK8855 Click to download

File Size   1773.3 Kbytes
Page   81 Pages
Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems
Description NTSC/PAL Digital Video Decoder

AK8855 Datasheet (HTML) - Asahi Kasei Microsystems

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AK8855 Product details

General Description

The AK8855 decodes the NTSC, PAL Composite Video signal into Digital code. Outputs are ITU-R BT. 601 Level compatible Y, Cb and Cr signals. Decoded results are scaled to QVGA/CIF sizes etc..

Output interface is camera-interface in ITU-R BT.656-alike output format. When such information as Closed Caption, VBID, WSS are encoded on the Video signal, each code can be read out externally.

When the Macrovision signal is super-imposed, its information can also externally be read out.



Features

• NTSC-M / PAL- B, D, G, H, I Composite signal decoding process

• 2-CH input acceptable (selector is integrated on-chip )

• On-chip 10 Bit ADC (operation at 24.5454 MHz or 27 MHz )

• Fixed clock Sampling

• On-chip PLL ( 27 MHz clock generation from 24.5454 MHz )

• On-chip Quartz Crystal Oscillator circuit

• Pixel Position Correction function

• Selectable Picture sizes (QVGA / VGA / QCIF / CIF / 601 )

   - Rotated Picture Mode output available (ex. QVGA : 240 X 180 )

• Selectable Output rate

   (525 : 30 / 15 / 7.5 625 : 25 / 12.5 / 6.25 [ frames / sec ] )

• On-chip Anti-Aliasing Filter

• On-chip PGA ( 0 dB ~ 12 dB )

• Auto Color Control (ACC) function

• Adaptive Auto Gain Control (AGC) function

• Primary YC Separation

• Output Interface

   - ITU-R BT.656-alike output format (4:2:2 8 Bit parallel output with EAV / SAV ) *

   * depending on the input signal quality, ITU-R BT. 656 compatible output may not be available.

   - Camera Interface

   - Interface by HD / VD / DVALID signals

• Closed Caption decoding function ( to be output by register setting )

• VBID ( CGMS-A ) decoding function ( CRCC decode )

   ( to be output by register setting )

• WSS decoding function ( to be output by register setting )

• Macrovision signal detect function

• Power-down function

• I2C Control compatible

• Internal operating power supply 2.7 V ~ 3.3 V

• supplying I / F Power Supply ( 1.6 V ~ 2.0 V or 2.7 V ~ 3.3 V )

• Package 57 FBGA



 




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