Search found 4 matches

by dbahrdt
Thu Jun 13, 2024 2:20 pm
Forum: ESP-IDF
Topic: Read flash in secure download mode
Replies: 2
Views: 881

Re: Read flash in secure download mode

This is expected behavior and likely a documentation bug. I've stumbled upon this too. The esp-idf documentation states the following: https://docs.espressif.com/projects/esp-idf/en/stable/esp32s3/security/security.html#uart-download-mode: It also limits the available commands in Download mode to up...
by dbahrdt
Fri Apr 14, 2023 8:37 am
Forum: General Discussion
Topic: Company-managed idf component registry
Replies: 0
Views: 648

Company-managed idf component registry

We're currently in the process of splitting our projects into smaller components. The new idf-component-manager comes in handy to manage these components. So far we're using git repositories with respective urls to include dependencies. However it is not possible to specify version ranges for git-ba...
by dbahrdt
Mon Mar 08, 2021 5:56 pm
Forum: General Discussion
Topic: Extract eFuse content using a (electron) microscope
Replies: 2
Views: 2711

Re: Extract eFuse content using a (electron) microscope

Thank you for your very fast response! There's more needed than that: you would also need to delayer the chip and find out how the physical efuses map to the logical ones. I'm not even sure if you could read out the eFuses (nowadays, I don't think they physically break on burning, rather they go tho...
by dbahrdt
Wed Mar 03, 2021 5:15 pm
Forum: General Discussion
Topic: Extract eFuse content using a (electron) microscope
Replies: 2
Views: 2711

Extract eFuse content using a (electron) microscope

I was wondering how difficult it is to read the eFuse state directly from the chip. One first has to remove the packaging which seems to be pretty easy (https://fahrplan.events.ccc.de/congress/2014/Fahrplan/system/attachments/2512/original/Uncaging_Microchips-Marcus_Janke_Peter_Laackmann.pdf). It ma...