Abstract
Universal Serial Bus (USB) audio Devices was applied extensively in current mobile communication equipment, at the same time the low power consumption and high USB bandwidth must be satisfied, we design audio equipment based on USB2.0 High Speed (HS), adopt the latest USB Link Power Management (LPM) protocol issued by USB organization, use Field Programmable Gate Array (FPGA) as the main controller, USB2.0 HS physical layer interface (PHY) was designed externally, and then the USB audio class 3.0 equipment was realized to play music. System analysis and test results show that the system can transmit based on USB2.0 HS, and the average power consumption is lower than the USB1.1 audio equipment, has solved the demand of the high bandwidth and low power consumption of USB audio device effectively.
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Acknowledgement
The paper is partially supported by the 6th Innovation and Entrepreneurship Leading Talents Project of Dongguan, the Industrial Upgrading Traction Engineering Project of Chengdu Technology Bureau (2016-NY02-00157-NC).
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© 2019 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Ren, H., Cui, J., Xie, W., Zhou, C., Zhang, K. (2019). Design of Low-Power USB Audio System Based on LPM Protocol. In: Song, H., Jiang, D. (eds) Simulation Tools and Techniques. SIMUtools 2019. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 295. Springer, Cham. https://doi.org/10.1007/978-3-030-32216-8_21
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DOI: https://doi.org/10.1007/978-3-030-32216-8_21
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