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Kinetis微控制器eDMA和I2S的音频接口设计

李晶皎 荣超群 刁丽芳

单片机与嵌入式系统应用2013,Vol.13Issue(1):41-44,4.
单片机与嵌入式系统应用2013,Vol.13Issue(1):41-44,4.

Kinetis微控制器eDMA和I2S的音频接口设计

Audio Interface Based on eDMA and I2S of Kinetis

李晶皎 1荣超群 1刁丽芳1

作者信息

  • 折叠

摘要

Abstract

The design of stereo audio interface based on microcontroller Kinetis MK60N512 and 16 bit/24 bit audio DAC MAX5566 is given. MK60N512 transfers audio data to MAX5556 through I2 S bus, and output audio signals are filtered by active filters. The design ensures the quality of audio and at the same time, it improves its load capacity. Enhanced DMA of MK60N512 internal performance programmable sends audio signal to I2S, and it reduces the burden of the CPU core.

关键词

Kinetis/MK60N512/MAX5556/增强型DMA/I2S总线

Key words

Kinetis/MK60N512/MAX5556/eDMA/I2S bus

分类

信息技术与安全科学

引用本文复制引用

李晶皎,荣超群,刁丽芳..Kinetis微控制器eDMA和I2S的音频接口设计[J].单片机与嵌入式系统应用,2013,13(1):41-44,4.

单片机与嵌入式系统应用

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1009-623X

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