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Transchip TC5747 Preliminary Product Brief

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Transchip TC5747 Preliminary Product Brief TC5747 CMOS Imager Product Brief CoderCam™ TC5747 VGA CMOS camera module with on-chip image processor, motion JPEG and display graphics Description Features TC5747 is a high performance, low power • VGA format sensor with 1/4.5” optics miniature camera module that incorporates • Embedded micro-controller a VGA CMOS sensor, image processing, a • Supports wide dynamic range and a motion JPEG codec, and display graphics variety of illumination conditions on a single chip. • Motion JPEG codec TC5747 imager is specifically designed to • 64 KB memory for JPEG frames meet the requirements of small mobile devices, in terms of automatic adjustments, • Standard host interface of 8/16 bits low power and small size. Its direct • Direct interface of 8/9/16/18 bits to LCD interface to the LCD as well as the host • Low power design, sleep modes data bus enables easy and fast integration • On chip PLL supports wide clock range into mobile devices. Bypass mode of the camera operation provides direct streaming • 2x and 4x electronic zoom from the host processor to the LCD. • Downsize to fit target display size Parallel host interface enables real motion • Vertical and horizontal inversion JPEG operation. • Auto flicker detection and correction TC5747 performs the graphic functions • Anti shading correction required for the display, lightening the load • on the baseband and reducing the solution On screen display cost and size. • Digital effects and fun frame overlay • TC5747 implements sophisticated digital Thumbnails and portrait images image processing algorithms using • Vertical and horizontal inversion dedicated hardware and a programmable • Supports up to two displays microcontroller. Image editing is supported • Video formats: 10 bit raw data, with digital effects and frame overlay. YUV 4:2:2, RGB 4:4:4, RGB 5:6:5, RGB 6:6:6 Block Diagram Reset Clock 2 VGA CMOS µController I C or 8/16b host i/f. Sensor Array PLL Analog processing 10b ADC Parallel Video i/f to LCD Video Interface Serial Video i/f. Image Signal Processor JPEG Codec TransChip reserves the right to make changes at any time without notice. www.transchip.com Product Brief TC5747 CMOS Imager On-chip Image Processing Module Package • RGB color restoration filters flex-cable or board-to- Connector • Motion JPEG codec with automatic board connector adjustment of the quantization tables to match target compression ratio. Dimensions 9.8 mm x 9.45 mm • Programmable window size to Module height 5.5 mm determine field of view (FOV) • Resize and crop functions to adjust Customizable: the output to any display or capture Connector size 24, 39, 51 pin-out targets options • Programmable color balance matrices Lens Double plastic lens and Gamma correction • Auto exposure and auto white F number 2.8 balance for a wide range of lighting environments Focal length 3.5 mm • Digital zoom and down size Fixed focus 25cm to infinity • Horizontal and vertical mirror Diagonal angle 60º • Conversion between YUV and RGB • Overlay of on screen display bitmap and support of 32 x 32 pixel cursor Specifications • Digital effects: sepia, negative, Active pixels 648 * 492 monochrome, binary. • Auto dark level compensation Programmable: Frame rate VGA 1-20 fps, QVGA 1-40 fps Clock frequency 3.68-32MHz Power supply 2.8V (±10%) Power 85mW, VGA @15fps consumption at 24 MHz 1µs to 30 ms, at Exposure time increments of 250 ns Gain 1x – 16x ADC 10 bits Operating -10ºC to 60ºC temperature TransChip reserves the right to make changes at any time without notice. www.transchip.com .
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