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SAI Interface - Keil
https://www.keil.com/pack/doc/CMSIS/Driver/html/group__sai__interface__gr.html
The Serial Audio Interface (SAI) implements a synchronous serial bus interface for connecting digital audio devices. It is by far the most common mechanism used to transfer two channels of audio data between devices within a system. SAI can transfer digital audio using various protocols: I2S MSB Justified LSB Justified PCM AC'97
STM32
https://www.st.com/content/ccc/resource/training/technical/product_training/0c/16/3b/b4/76/8a/47/51/STM32L4_Peripheral_SAI.pdf/files/STM32L4_Peripheral_SAI.pdf/jcr:content/translations/en.STM32L4_Peripheral_SAI.pdf
The Serial Audio Interface (SAI), is integrated in STM32 products to provide an interface, for communicating with external audio devices such as amplifiers, ADCs, DACs, audio codecs, and audio processors. This interface is fully configurable, supporting the most digital audio standards, allowing easy connection to any existing audio devices.
STM32WB-Peripheral Serial Audio Interface (SAI)
https://www.stmicroelectronics.com.cn/content/ccc/resource/training/technical/product_training/group0/11/91/8f/47/7b/0e/42/ca/STM32WB-Peripheral-Serial-Audio-Interface-SAI/files/STM32WB-Peripheral-Serial-Audio-Interface-SAI.pdf/_jcr_content/translations/en.STM32WB-Peripheral-Serial-Audio-Interface-SAI.pdf
serial audio interface. The clock generator provides the root frequency for the MCLK, SCK and the FS. When the master clock (MCLK) is generated, the frame length must be a power of two. The ratio between the FS frequency and the MCLK frequency is set to 256 or 512, according to the OSR bit. The clock SAI_CK is provided by the STM32WB RCC block. 13
The 2-Channel Serial Audio Interface: A Tutorial
https://www.eeweb.com/the-2-channel-serial-audio-interface-a-tutorial/
For the sake of simplicity, we will use the term Serial Audio Interface (SAI) in this discussion. The Serial Audio Interface is by far the most common mechanism used to transfer two channels of audio data between devices within a system; for instance, from the analogto-digital converter to the Digital Signal Processor (DSP) and then the digital-to-analog converter, …
MCUXpresso SDK API Reference Manual: SAI: Serial Audio ...
https://mcuxpresso.nxp.com/api_doc/dev/1523/a00256.html
The MCUXpresso SDK provides a peripheral driver for the Serial Audio Interface (SAI) module of MCUXpresso SDK devices. SAI driver includes functional APIs and transactional APIs. Functional APIs target low-level APIs. Functional APIs can be used for SAI initialization, configuration and operation, and for optimization and customization purposes. Using the functional API requires …
AN12202: Using Synchronous Audio Interface (SAI) …
https://www.nxp.com/docs/en/application-note/AN12202.pdf
Introduction. The Synchronous Audio Interface (SAI) module found in S32K148 device is targeted to be used in different applications in which audio processing is required. This module is highly-configurable and allows users to process audio in different audio format such as …
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