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by petnnw
Sun Nov 03, 2019 3:00 pm
Forum: Hardware
Topic: Erratic behavior of VDD_SDIO when configured to 1.8V
Replies: 3
Views: 1287

Re: Erratic behavior of VDD_SDIO when configured to 1.8V

Thank you very much!

Is there aregister I can write to, to quickly disable via firmware this increased voltage when running the app? While 1.7V is within specs of RAM and Flash, 2.04V is not (the specs of my chips are 1.8 +/- 10%).

Cheers!
by petnnw
Fri Nov 01, 2019 8:03 am
Forum: Hardware
Topic: Erratic behavior of VDD_SDIO when configured to 1.8V
Replies: 3
Views: 1287

Erratic behavior of VDD_SDIO when configured to 1.8V

Hi there! I'm experiencing strange behaviors on the VDD_SDIO voltage line: it is rather unstable, and among all the samples I have (and operating conditions) it varies from 1.7V up to 2.04V. Setup: Custom ESP32D0WDQ5 (revision 1) board with 4 MB Flash and 8MB PSRAM @ 1.8V. MTDI is pulled high. VDD_S...

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