Questions tagged [i2s]

Despite the name, it is unrelated to the bidirectional I²C bus. I²S is a media-specific protocol which uses at least three signals: Bit CLK, Word CLK, and at least one data line.

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MCLK in I2S audio protocol

I am working with the I2S audio protocol in one of my projects and I'd like to use it in one of my final projects for a class of mine. Quite honestly though, I don't entirely understand the MCLK line....
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1answer
104 views

PIC32MZ: MSB of I2S data from digital microphone is always high

I have interfaced a I2S digital microphone to PIC32MZ controller. I am able to read the digital output from the microphone over I2S-DMA transfer. Following are the details of my set-up:- Controller:-...
1
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2answers
133 views

I2S MCLK Generation

I'm working with a Sierra Wireless BC127 (Bluetooth Module) I2S master which is generating Left-Justified, 16 bps @ 44.1khz sample rate. The Bit clock is set to 2.822 Mhz. I want to use a Cirrus ...
1
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1answer
591 views

Synchronize internal DAC to I2S on STM32F4

I have a CS4344 DAC connected to my STM32F407 outputting sound at a 44.1kHz rate with DMA and I2S and I would like to output and envelope signal through the internal DAC of the STM32F4, in sync with ...
-1
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1answer
765 views

Digital Microphone : I2S data output

I have been playing around with some digital microphones, which have an I2S interface. I managed to get it working (Arduino board with small I2S mems board). At least, I think I did. When reading the ...