I2S to Internal DAC is Broken

sudheeshsmadhav
Posts: 2
Joined: Wed Dec 16, 2020 11:57 am

Re: I2S to Internal DAC is Broken

Postby sudheeshsmadhav » Fri Feb 12, 2021 9:51 am

internal DAC selection in adf projects gives error. working with esp32s2

sudheeshsmadhav
Posts: 2
Joined: Wed Dec 16, 2020 11:57 am

Re: I2S to Internal DAC is Broken

Postby sudheeshsmadhav » Tue Feb 23, 2021 11:37 am

Yes the internal DAC gives error. Any solution?

ryszardk
Posts: 1
Joined: Tue Jan 28, 2025 12:37 pm

Re: I2S to Internal DAC is Broken

Postby ryszardk » Wed Jan 29, 2025 8:03 am

Example: ESP-IDF 5.4 \examples\peripherals\dac\dac_continuous
Asynchronous and synchronous mode on ESP32-PICO-KIT and my custom ESP32 PCB generating on Internal DAC glitches on GPIO26.
Disabling apll solves the problem, but it's not a solution for me, because I need 8kHz sample rate. Old firmware from ESP-IDF 4.2 did not generate these glitches.
Image
The problem was discussed some time ago here:
https://github.com/espressif/esp-idf/issues/9321
Is there any solution to this?

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