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HT82V863R -- CCD Digital Signal Processor General Description
The HT82V863R is a single chip digital image
processor for Ye, Cy, Mg and G colour CCD video camera systems. It
receives CFA patterns from colour CCDs and generates NTSC/PAL CVBS
signals using internal video encoders and the 10-bit DAC. In
addition, it also provides an AE/AWB algorithm, timing generation
module together with other circuitry.
The device contains a microcontroller in
which an OTP ROM is integrated internally to implement the basic
camera functions such as the AE/AWB algorithm. The video camera
system consists of a CDS/AGC/ADC IC (HT82V842A), DSP IC (HT82V863R),
Vertical Driver IC (HT82V805) and CCD sensors. It also provides a
proprietary function to eliminate so called "line crawl" and
automatic CCD defect compensation function to correct up to 30 bad
pixels and 4 consequential bad pixels.
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Features
- Input: Supports Ye, Mg, Cy, G colour filters for NTSC/PAL,
270K/320K/410K/470K CCD sensors
- Output: NTSC/PAL Analog CVBS
- Automatic CCD Defect compensation Up to 50 bad pixels and 4
consequential bad pixels correction
- Automatic Back Light compensation
- Programmable False Colour suppression
- Programmable High Light suppression
- Programmable Sharpness enhancement
- Programmable Colour Saturation and Hue function
- Programmable Contrast and Brightness function
- Programmable GAMMA curve
- Integrate a 96-step CCD timing generator
- Support AE/AWB algorithm function
- Support OSD function
- Integrate a 2-D DNR function
- Integrate the digital WDR
- Integrate the digital Line Lock function to reduce colour
rolling
- Integrate a NTSC/PAL video encoder
- Integrate a 10-bit DAC
- Support CCIR656 digital out
- Integrate a one-channel 6-bit ADC
- Integrate OTP ROM with ISP function for multiple programming
codes
- Support Mirror function
- Support a master I2C interface for external EEPROM to
store parameters
- Support a slave I2C interface for communication with
an external host
- Embedded LVR and POR circuits
- Embedded 3.3V-to-1.8V regulator
- Single 3.3V power supply
- 64/80-LQFP package
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