Search found 3 matches

by Sam1102E
Thu Jul 24, 2025 3:23 pm
Forum: Hardware
Topic: ESP32P4 Odd Flash Issues
Replies: 3
Views: 247

Re: ESP32P4 Odd Flash Issues

I have good news regarding the remaining issues.

I had ordered the wrong voltage regulators for the core power. I did not notice this issue during early sanity checks, since its works as long as its not under heavy load, and actually begins to overvoltage the ESP32P4 when under load creating a hard ...
by Sam1102E
Thu Jul 17, 2025 2:23 pm
Forum: Hardware
Topic: ESP32P4 Odd Flash Issues
Replies: 3
Views: 247

Re: ESP32P4 Odd Flash Issues

Update on the matter.

I got pretty deep into the issue looking at how the boot ROM works, and it turned out to just be a silly mistake with the flash LDO input not being connected to LDO 1, the one I had reserved to power the flash chip.

I can now flash it successfully, but nothing happens when it ...
by Sam1102E
Mon Jul 14, 2025 11:26 pm
Forum: Hardware
Topic: ESP32P4 Odd Flash Issues
Replies: 3
Views: 247

ESP32P4 Odd Flash Issues

Hello,

I am attempting to flash the W25Q128, a 16 MB Winbond flash through the ESP32 P4 on a custom board, but I get some flashing issues that appear to be connected to the /WP and /HOLD lines. I have tried a good few things to diagnose the issue but I am not sure what to try now.

So it first ...

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