OKI Semiconductor
ML86V7666
NTSC/PAL Digital Video Decoder
FEDL86V7666-01
Issue Date: Apr. 21, 2004
USES AND APPLICATION EXAMPLES
The ML86V7666 is an IC that can be used as an interface for video signal input of any digital video processing
system. The device can be operated with a digital PLL line lock clock for applications where image quality is of
utmost importance. Further, for application where sync speed is important, such as switching between multiple
input channels, an asynchronous clock allows high-speed synchronous operation.
APPLICATION EXAMPLES
•
TVs and TV reception equipment
Panel TVs such as TFT/PDP, PC TVs, digital TVs, set top boxes for receiving TV broadcasts
•
Video recording equipment
DVD-R/W, HDD recorders, digital VTRs, digital video cameras, and digital cameras
•
Monitoring systems
Multi-display equipment, long-playing video recording equipment, and transmission equipment for remote
monitoring
•
PC peripheral equipment
Video capture boards, video editing equipment, and internet monitoring cameras
GENERAL DESCRIPTION
The ML86V7666 is an LSI that converts NTSC or PAL analog video signals into the YCbCr standard digital
format defined by ITU-R recommendations BT.601/BT.656 and RGB digital data.
The device has two built-in 10-bit A/D converter channels and can accept composite video and S-video signals as
input.
The composite video signal is separated into a luminance signal and chrominance signals by a 2-dimensional Y/C
separation filter (2-line or 3-line adaptive comb filter) and are then converted to a general-purpose video data
format.
With 1/4, 1/9, and 1/16 screen scaling features, the ML86V7666 is compatible with interfaces for a wide variety of
applications.
In addition to the asynchronous sampling that is a special feature of Oki decoders, video signals can also be
sampled using digital PLL for line lock clock sampling.
With asynchronous sampling, high-speed locking is available for synchronization and color bursts.
Further, due to the built-in pixel position correction circuit and the FIFO for correcting the pixel count, the video
jitter that can be a problem with asynchronous sampling is eliminated and jitter-free output data is ensured.
FEATURES
( : New features not found in the MSM7664B;
: Improved/altered features)
Input Section
Accepts NTSC/PAL composite video signals and S-video signals
Maximum 5 composite or 2 S-video + 2 composite inputs can be connected
Built-in clamp circuits and video amps
Built-in 10-bit A/D converters (2 channels)
Switchable between line lock clock sampling mode and asynchronous sampling mode
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