blob: c49e8ff3ab8e0f2c9309cc501024fb79b47eaaea (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
-------------------------------------------------------------------------------
TDM Audio
-------------------------------------------------------------------------------
This is a set of captures of TDM audio.
Details:
https://hackaday.io/project/2984-teensy-audio-library/log/57537-tdm-support-for-many-channel-audio-io
https://www.analog.com/media/en/technical-documentation/technical-articles/MS-2275.pdf
Logic analyser setup
--------------------
The logic analyser used was a Saleae Logic16 (at 50MHz):
Probe TDM Audio
---------------------
3 Bitclk
2 Framesync
1 Data
tdm-4ch-16bit-cap1.sr
---------------------
4 channels, 16 bits per sample.
Data is set of 0x1100 0x3322 0x5544 0x7766 0x9988 0xbbaa 0xddcc 0xffee.
tdm-8ch-16bit-cap1.sr
---------------------
8 channels, 16 bits per sample
Data is byte 0x12 repeated.
|