Embedded Camera System

Block Diagram (SBD) for an Embedded Camera featuring a DaVinciTM Digital Media Processor, a CMOS sensor and imaging AFE, microphone inputs, and various interface standards including USB, ZigBee, and 1394.

Block Diagram

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Reference Designs

Description Part Number Company Tool Type
CC2530-CC2591EM Reference Design CC2530-CC2591EM-RD Texas Instruments Reference Designs

Description

Embedded cameras are used to capture video for embedded applications. Embedded cameras capture images/video from CMOS or CCD sensors, digitize the data and often perform image/video pre-processing algorithms and/or video compression. Video compression is required for data transmission to ensure the interface of choice has sufficient bandwidth. Data transmission is typically either over USB wireless ZigBee to a main system. The base unit consists of an embedded processor with integrated on-chip peripherals and audio/video acceleration to process encoding/decoding.

The core system includes:

  • Embedded Processor - An Image Signal Processor (ISP) within our embedded processor is used to improve image quality provided from the CMOS or CCD sensors. The ISP typically does pre-processing algorithms such as noise filtering and image stabilization prior to video compression.
  • Audio Interface (Voice ADC) - Uses an analog-to-digital converter to digitize the audio signals. Microphone arrays are used to improve the audio compression quality by focusing on the incoming sound.
  • Video Interface - CMOS/CCD sensors come in a variety of offerings. CMOS sensors nowadays come with built-in AFEs (analog front ends) so the output from these modules is already digitized and ready for processing. The popular CCD imagers may or may not include an AFE. Texas Instruments offers many solutions for CCD and CMOS AFEs to suit your needs
  • Power Management - Power to embedded cameras is typically provided via USB (5 V @ 0.5 A) or 1394 (30 V @ 1.5 A). This power is regulated to usable system voltage rails to power the board. Whether a single-chip power management unit (PMU) or discrete integrated circuits are required, Texas Instruments has them all.
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Application Notes (6)

Title Abstract Type Size (KB) Date Views
HTM 8 KB 02 Jun 2011 228
HTM 8 KB 11 Sep 2009 362
HTM 8 KB 11 Sep 2009 352
HTM 8 KB 11 Sep 2009 177
HTM 9 KB 10 Sep 2009 1185
PDF 108 KB 04 Jan 2007 365
    

Selection and Solution Guides

Selection Guides (2)

Title Abstract Type Size (KB) Date Views
PDF 9.45 MB 16 Apr 2015 105026
PDF 80 KB 18 Jan 2013 2666

Tools and Software

Name Part # Company Software/Tool Type
Code Composer Studio (CCS) Integrated Development Environment (IDE) CCSTUDIO Texas Instruments SW Development Tools, IDEs, Compilers

Product Bulletin & White Papers

Product Bulletin (1)

Title Abstract Type Size (MB) Date Views
PDF 208 KB 25 Apr 2011 967

White Papers (3)

Title Abstract Type Size (MB) Date Views
PDF 783 KB 15 Mar 2012 290
PDF 651 KB 06 Jan 2012 1442
PDF 1014 KB 17 May 2011 855

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