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USB 2.0 PC Camera Controller--STK1135

The STK1135 is a highly integrated, single chip high-speed USB 2.0 compliant digital PC camera controller. Utilizing a high-speed, high-bandwidth isochronous pipe, it is able to transfer 30 frames per second of raw video data without compression at VGA resolution, 15 frames per second at SXGA resolution. STK1135 supports a wide range of low-cost CMOS image sensors and uses an integrated low-cost 8-bit mono ADC for microphone input. The key features and benefits are:

Uncompressed Video Data Stream

  • 1600x1200 resolution at up to 12 fps
  • 1280x1024 resolution at up to 15 fps
  • 800x600 resolution at up to 27 fps
  • 640x480 resolution at up to 30 fps
  • Software image enhancement filter and sensor control for maximum flexibility
  • Hardware windowing and decimation
  • No external buffer RAM required

    Sensor Interface

  • Seamless interface to most CMOS Image Sensor chips for up to 2 mega pixels
  • Programmable clock, vertical and horizontal blanking signals in slave or master mode
  • Supports 8-bit per pixel Baylor format data and compliance with 10-bit per pixel sensors
  • Programmable serial interface for serial communication with video source
  • Internal timing generator to generate clock and control signals for the sensor

    Integrated Hi-Speed USB 2.0 Transceiver

  • High-speed USB 2.0 and USB 1.1 full-speed functionality
  • USB composite device with video and audio interfaces
  • USB 2.0 isochronous video pipe can transfer up to 24 MB/sec
  • USB 2.0 isochronous audio pipe
  • Vendor ID, product ID and string descriptors can be stored in an external serial EEPROM

    Audio Interface

  • Supports 8-bit mono audio recording at 8 KHz sample rate with integrated ADC
  • PCM audio format
  • USB audio class compliant

    General Purpose Input/Output Interface

  • 10 general purpose input/output pins

    External Serial EEPROM Interfac

  • Supports 2-wire and 3-wire interfaces

    Power Management

  • 1.8V core power supply voltage
  • Supports advance power down mechanism

    Other Features

  • Supports all test modes defined under the USB 2.0 specification
  • 56-pin QFN package

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