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Tagged with i2s digital-logic
5
questions
2
votes
1
answer
71
views
Reason for the degraded I2S signal
I'm working with one of the devices from the NXP's IMX family - the IMX93 evaluation board.
I've managed to setup the sound card drivers already, the next step was to test I2S signals output via the ...
3
votes
1
answer
184
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Why is my frequency being effectively doubled?
I'll try to explain everything with detail as this is one will be a hard one to explain.
Essentially what I am trying to achieve is sum both the left & right channel to produce a mono signal to be ...
1
vote
1
answer
779
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Can someone help me explain I2S timings when it comes to master and multiple slaves
I am just getting stuck as to what's happening.
Below explains the functionality of each of the hardware and how they interact with each other to give you a better idea of the situation.
HARDWARE USED:...
0
votes
1
answer
81
views
Synchronizing an oscillator signal and a single wire signal
On some 32bit MCUs(PIC32MX, STM32F4), those SPI pins can read a continuous signal such as I2S/PCM.
So I thought to read a single-wire signal that has MHz fixed frequency as SPI.
First, I made a ...
0
votes
2
answers
2k
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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 ...