Search found 99 matches
- Mon Dec 20, 2021 4:35 am
- Forum: USB Audio
- Topic: XS1 audio - clocks generation problem
- Replies: 1
- Views: 3450
XS1 audio - clocks generation problem
I have XS1-U8A usb audio (TDM8, inputs only, 48kHz) project with the XMOS as a master. Most of the time LR and BCLK are generated properly on power-up (pic 1). 1-48kHz_frame.jpg But sometimes on power-up the LR frequency is about 45.2kHz instead of 48, with some jitter. I've noticed that in this cas...
- Fri Dec 17, 2021 11:17 pm
- Forum: Other Applications
- Topic: Changing input audio format on XS1-U8A
- Replies: 5
- Views: 5682
Re: Changing input audio format on XS1-U8A
Thank you!
I looked at that direction, but it's hard to understand how it works.
I'll give it a try.
I looked at that direction, but it's hard to understand how it works.
I'll give it a try.
- Tue Dec 14, 2021 5:19 pm
- Forum: Other Applications
- Topic: Changing input audio format on XS1-U8A
- Replies: 5
- Views: 5682
Re: Changing input audio format on XS1-U8A
Thank you mmar,
well, I understand that the audio.xc should be modified, but can't clearly identify what I need to modify in order to read codec data starting from the first bit clock instead of second in the XMOS slave TDM8 mode. :(
well, I understand that the audio.xc should be modified, but can't clearly identify what I need to modify in order to read codec data starting from the first bit clock instead of second in the XMOS slave TDM8 mode. :(
- Fri Dec 10, 2021 6:14 pm
- Forum: Other Applications
- Topic: Changing input audio format on XS1-U8A
- Replies: 5
- Views: 5682
Changing input audio format on XS1-U8A
I have an old design where the XS1-U8A is connected to the TDM8 audio codec. Codec is configured for TDM8, left justified output format in hardware mode, so I can't change it. XMOS is configured as TDM8 slave. As far as I understand, the only XMOS input format for TDM is I2S (1 bit delay) and can't ...
- Mon Sep 27, 2021 7:34 pm
- Forum: XMOS Devices
- Topic: Where XMOS?
- Replies: 27
- Views: 40354
Re: Where XMOS?
So what are you going to use instead of XMOS?
- Mon Apr 19, 2021 3:15 am
- Forum: Development Tools and Programming
- Topic: XU208 programming by an external SPI
- Replies: 2
- Views: 7005
Re: XU208 programming by an external SPI
Thank you, mon2!
The advice on reading ID was very useful.
It read wrong until I've downgraded speed to 18MHz from 36.
So speed was the problem.
Now both ID and memory reading is exactly what it's supposed to be.
The advice on reading ID was very useful.
It read wrong until I've downgraded speed to 18MHz from 36.
So speed was the problem.
Now both ID and memory reading is exactly what it's supposed to be.
- Sun Apr 18, 2021 10:00 pm
- Forum: Development Tools and Programming
- Topic: XU208 programming by an external SPI
- Replies: 2
- Views: 7005
XU208 programming by an external SPI
Hello, I am trying to program a memory of the XU208 by an external mcrocontroller (SPI). I am programming the memory by XMOS JTAG adapter, everything is fine and working properly. Then I generate a binary file for programming: >xflash testprog.xe -o testprog.bin Then I read part of a memory by exten...
- Mon Mar 01, 2021 4:31 pm
- Forum: Other Applications
- Topic: Using 4-bit port for TDM on XU208
- Replies: 5
- Views: 7314
Re: Using 4-bit port for TDM on XU208
Thank you akr,
as far as I understand, the above applies to using multiple pins of a 4-bit port.
What if I want to use just one pin of a 4-bit port for TDM4 (other pins on this port are not used)?
as far as I understand, the above applies to using multiple pins of a 4-bit port.
What if I want to use just one pin of a 4-bit port for TDM4 (other pins on this port are not used)?
- Sun Feb 28, 2021 5:17 pm
- Forum: Other Applications
- Topic: Using 4-bit port for TDM on XU208
- Replies: 5
- Views: 7314
Using 4-bit port for TDM on XU208
Hi, I have a usb audio design which requires 4 OUT and 16 IN audio channels @48KHz. Not to mess with multiple audio clocks I am going to use TDM4_OUT and 4xTDM4_IN. To implement this by a standard approach I need 5 1-bit ports. Unfortunately I have only 4 1-bit ports available. But I have ports P4C ...
- Sun Jan 31, 2021 5:10 am
- Forum: XMOS Devices
- Topic: Where XMOS?
- Replies: 27
- Views: 40354
Re: Where XMOS?
Thank you. You are right. We considered this approach. I've decided to go with external memory because: 1. Microcontroller will operate in SPI mode, and XMOS chip in quad SPI. It was easier to operate external memory, also because we have two chips on a board. 2. It's easier for our contract manufac...