I2S(Inter-IC Sound Bus) Transmit and Receive on RT600 HiFi4
●This document describes how to use I2S and DMA to record and playback audio with NXP i.MX RT600. It also includes the process of how to use the codec chip to process audio data on the i.MX RT600 Evaluation Kit (EVK) based on the Cadence Xtensa HiFi4 Audio DSP.
●The i.MX RT600 is a dual-core microcontroller with 32-bit Cortex®-M33 CPU and Xtensa HiFi4 Audio DSP CPU. In addition, it provides up to 4.5 MB of on-chip SRAM (plus an additional 128 KBytes of tightly coupled HiFi4 ram) and several high-bandwidth interfaces to access off-chip flash.
●The Cadence Xtensa HiFi 4 Audio DSP engine is a highly optimized audio processor designed especially for efficient execution of audio and voice codecs and pre- and post-processing modules.
●The document mainly introduces the use of I2S interface around the mode and configuration of I2S on RT600, as well as the configuration and usage of DSP. This application uses an I2S interface to receive the audio stream into the buffer, and then uses another I2S interface to send the audio stream to the audio playback device.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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28 February 2020 |
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Rev. 0 |
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AN12749 |
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4.5 MB |
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