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3.7 Camera Driver (AIT701A)
Figure.3-7 AIT701A FUNCTIONAL BLOCK DIAGRAM
3.7.1. General Descriptions
The AIT701A is a highly integrated versatile multi-media processor for image-enabled mobile
and handheld devices, such as cellular phones and PDAs. The AIT701A includes an 8-bit
micro-controller, frame/display memory, high-quality image processor, real-time JPEG CODEC,
video processor, 2D-Graphic Engine and LCD Display Interface.
The on-chip image processor implements the most advanced algorithm to deliver
professional-grade image quality, which also supports versatile features of digital still camera like
AE(Auto Exposure), AWB(Auto White Balance), Digital Zoom and a variety of image special effects.
The maximum resolution supported by AIT701A is 300K–pixel.
The on-chip JPEG CODEC is compliant with the JPEG baseline standard (ISO/IEC 10918) and
JFIF formats, which performs real-time compression and decompression at the rate of 30 frame
per second with VGA resolution. The image size could be dynamically adjusted by easily
programming the internal registers.
The LCD Display Interface of AIT701A supports dual displays that can be TFT, TFD, LTPS, or
Color-STN LCD panels. The AIT701A could support a wide range of resolutions of LCD panels up
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