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Published in 2014-10-05 10:58:07       

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Design Considerations

Features

TMS320C54x™ DSPs

 

 

  • 100% code-compatible with C5000 devices


  • 16-bit, fixed-point DSPs with power dissipation as low as 40 mW


  • Single and multi-core products delivering 300-532 MIPS


  • Three power-down modes


  • Integrated RAM and ROM configurations


  • Ultra-thin packaging


Audio Power Amplifier

 

 

  • Efficient Class-D operation


  • Only three external components (TPA2005D1)


  • Internal gain (TPA3007D1: 12, 18, 23.6, 36dB) Independent gain control ('2005D1)


  • THD+N = 0.2% at 1kHz; PSRR = -73 dB ('3007D1) & -75dB ('2005D1)


Touch Screen Controller

 

 

  • Integrated 4-wire touch screen controller


  • Highly programmable


  • Direct battery measurement


  • Stereo audio DAC with 48ksps sampling rate


  • SPI interface


Audio DAC

 

 

  • Accepts 16- to 24-bit data; Left, Right I2S Format; wide sampling frequency   - 5kHz to 200kHz


  • Hardware controlled


  • THD+N = 0.02%, Typical


Sitara Cortex™-A8 features:

 

 

  • Powerful ARM® Cortex™-A8 up to 1GHz operation


  • Inegrated memory


  • Wide peripheral set includes:UART, SPI, I2C, USB, Ethernet


  • Display support


Benefits

Audio Power Amplifier

 

 

  • Eliminates need for heat sink


  • Reduces board space


  • Minimizes noise


  • Excellent audio fidelity


Touch Screen Controller

 

 

  • Fully automated modes of operation


  • Controls resolution, speed, timing & averaging


  • Monitors battery voltage


  • High-quality audio playback


  • Direct serial bus connection to controller


Audio DAC

 

 

  • Flexible interface to processor


  • Simplifies system design


  • Minimizes noise


Sitara Cortex™-A8 leverages:

 

 

  • ARM® Cortex™-A8 core optimized for low power consumption  solutions


  • Production-ready reference platforms


  • StarterWare, Mainline Linux;


Reference Designs

 

 


Helpful Links

 

 




 

 

 

If you want to learn more informations, please go to:http://www.ti.com/solution/barcode_scanner

 



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