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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

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