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1 answer
246 views

What is the role of master clock speed on DAC?

In the I2S protocol we have 3 signal + one none-standard master clock (mentioned by Olin Lathrop): data LRCK/FCK (frame synchronizer) BCK (bit clock) MCK/SCK (master clock) Question 1: Why do we ...
mohammadsdtmnd's user avatar
0 votes
1 answer
406 views

switching between multiple clock (I2S, audio)

I'm trying to draw a schematic that I need for selecting a single clock among four possible clock sources. I'd like to select the source using a simple 4 way mechanical switch. The sources are: 22....
Dimitri Petrucci's user avatar
0 votes
0 answers
59 views

How to choose between different equivalent PLL/divider configurations?

If there are multiple ways to get the required clocks for a given CODEC, how do you choose between them? For example, if a CODEC can accept 64fs, 128fs, 256fs, and has an internal PLL that can ...
endolith's user avatar
  • 28.9k
1 vote
1 answer
429 views

I2S Clock in Audio Codec on dev board, how is this working?

I'm using a dev board, the keil mcb4300. In the schematic, the audio codec UDA1380HN has the BCKI going to the SYSCLOCK. According to the codec data sheet: BCKI: bit clock input SYSCLOCK: system ...
Michael's user avatar
  • 397
1 vote
2 answers
3k views

Generating i2s Clock Signals

I am trying to design a Pi Hat to integrate my Raspberry Pi 3 for use as an automotive head unit. I have a Texas Instruments TAS6424 and some supporting components, and am trying to design a DAC PCB ...
Karthik Karyamapudi's user avatar
3 votes
3 answers
8k views

How to decide about master or slave mode in I²S (I2S)?

Participants in I²S can be in master or slave mode. The master has to provide the clock and the slave has to accept the clock. I would like to know how under what considerations this decision is made....
Jan Deinhard's user avatar
0 votes
2 answers
629 views

Interfacing Atmel Processor with i2s codec

I would like to interface an ATSAMS70 with a CS42L51 but this is my first time doing so. The connection would be this: MCLK - PCK2 SCLK - TK LRCK - TF SDIN - TD SDOUT - RD The thing is about the ...
the_moon's user avatar
  • 163