Search found 6 matches

by pisljar
Mon Jan 15, 2018 7:07 pm
Forum: Voice & Conferencing
Topic: flash on mic boards
Replies: 4
Views: 12105

Re: flash on mic boards

i still have problem identifying which part of code actually uses the i2c flash (which is on the microphone board) its connected to the I2C, so i expected some i2c code somewhere ... looking thru whole project the only i2c code i can find is in the `audiohw.xc` and is used to configure Si5351 clock ...
by pisljar
Mon Jan 15, 2018 7:00 pm
Forum: Voice & Conferencing
Topic: clocks on xvf3000 reference design
Replies: 5
Views: 12066

Re: clocks on xvf3000 reference design

thank you a lot for your reply, this was very helpful.

to clarify my reasons, i was wondering if connecting Si5351 i2c to my main microcontrolelr (instead of xmos) would be a good idea. however looking at the source code made me think i better leave this as it is.
by pisljar
Wed Dec 27, 2017 8:21 pm
Forum: Voice & Conferencing
Topic: clocks on xvf3000 reference design
Replies: 5
Views: 12066

Re: clocks on xvf3000 reference design

i have few more questions regarding the clock on evaluation board of XVF3100 Si5351A is used for clock generation ... - is this chip preprogrammed to output some clocks ? (like 24M ... which is needed in order to flash xmos if i understand correctly ? ) - if so, why is I2C connection to Si5351 neede...
by pisljar
Tue Sep 19, 2017 3:20 pm
Forum: Voice & Conferencing
Topic: flash on mic boards
Replies: 4
Views: 12105

Re: flash on mic boards

Hi xsamc, thanks for your reply i am using sw_vocalfusion (software which came with xvf3100 demo board with circular microphone array). We are developing our own board with xvf3100 and would like to remove unnecesarry components. I was told that flash on the microphone boards is not really needed, a...
by pisljar
Fri Sep 15, 2017 9:01 am
Forum: Voice & Conferencing
Topic: flash on mic boards
Replies: 4
Views: 12105

flash on mic boards

Hello,

i am trying to find where in the source code is the flash on microphone board accessed ? (i would like to remove that part of code as i don't want that flash there)
could someone please point me to the right source file ?

thanks!
by pisljar
Mon Jul 17, 2017 1:39 pm
Forum: Voice & Conferencing
Topic: clocks on xvf3000 reference design
Replies: 5
Views: 12066

clocks on xvf3000 reference design

Hello, looking at the reference design i have a few questions regarding clocks: - Si5351A is used to generate 3 clocks: -- 32K (seems to be used for wifi module ?) -- 24M for xvf3000 -- 24.576 low jitter master clock used for MCLK_DAC, MCLK_TILE1 and MCLK it also mentions that clock speeds are docue...