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All You Need To Know About I2S - Hackaday
https://hackaday.com/2019/04/18/all-you-need-to-know-about-i2s/
There is one piece of technology from the CD age that is very much still with us though, and it lives on in the standard for sending serial digital audio between chips. The protocol is …
Using the I2S Audio Interface of DS90Ux92x FPD-Link …
https://www.ti.com/lit/an/snla221/snla221.pdf
period of the I2S_WC), as shown in Figure 3 . As with the 2-ChannelSerial Audio Interface, the TDM interface is comprised of the serial audio data line (I2S_DA), two control clocks, a frame synchronization pulse (FSYNC or I2S_WC, also called sampling frequency, fS), and the serial clock (BCK or I2S_CLK). Figure 3.
Serial Audio Interface ( SAI ) - eefocus
http://comm.eefocus.com/media/download/index/id-1004357
The SAI interface (Serial Audio Interface) is a peripheral supporting a wide set of audio protocols thanks to its flexible architecture: • I2S Philips standards, (Inter-IC Sound), • I2S LSB or MSB-justified, (Variant of Inter-IC Sound), • SPDIF Output, (Sony/Philips Digital InterFace) • PCM, (Pulse Code Modulation)
I2S Sound Tutorial for ESP32 - DIYI0T
https://diyi0t.com/i2s-sound-tutorial-for-esp32/
AN12202: Using Synchronous Audio Interface (SAI) …
https://www.nxp.com/docs/en/application-note/AN12202.pdf
Inter-IC Sound (I2S) A serial protocol (I2S) specially for digital audio applications was developed to standardized communication between IC manufacturer and audio processing units.
I2S bus specification - SparkFun Electronics
https://www.sparkfun.com/datasheets/BreakoutBoards/I2SBUS.pdf
Philips Semiconductors I2S bus specification February 1986 2 3.0 THE I2S BUS As shown in Figure 1, the bus has three lines: •continuous serial clock (SCK); •word select (WS); •serial data (SD); and the device generating SCK and WS is the master.
ENHANCED SERIAL AUDIO INTERFACE (ESAI)
https://www.nxp.com/docs/en/application-note/AN1848.pdf
examples for I2S, Left Justified, and EIAJ protocols. • Section 6, provides an ESAI programming example. 1.1 ESAI OVERVIEW The Enhanced Serial Audio Interface (ESAI) is an integration of the multi-capable Enhanced Synchronous Serial Interface (ESSI) common to many of Motorola’s DSP56300 processors
Interfacing an audio codec with ESP32 - IoTBits
http://iot-bits.com/interfacing-an-audio-codec-with-esp32/
The I2S bus is a simple serial bus that is used to transfer digital data. The special characteristic of this data bus, in comparison to the other buses such as SPI and I2C is that the communication is not really meant for control applications. The I2S bus is strictly for data streaming, such as digital audio.
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