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Documentation enhancement: ESP32-S2Fxx is required not ESP32-S2 #13

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Quas7 opened this issue Jan 26, 2024 · 4 comments
Open

Documentation enhancement: ESP32-S2Fxx is required not ESP32-S2 #13

Quas7 opened this issue Jan 26, 2024 · 4 comments

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@Quas7
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Quas7 commented Jan 26, 2024

I ordered an esp32-s2 without thinking much about it but after not being able to flash the chip at all I transfered another "S2" from a dev board. That fixed the issue for me.

Out of curiostiy I moved my ordered "S2" to the dev board - flashing was not possible. Another one from the ordered batch did not work either. I almost started doubting my soldering skills.
But later a colleague hinted that Espressif might have done some "extensions" to their portfolio (see Datasheet). And of course they did:
image

The ESP32-S2 has no flash embedded at all and a little correction of the BOM might be a good idea to include the S2F.

image

@HappyTechnician
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I ordered the same.. Just now re-ordered the S2FH4

@HappyTechnician
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I have found that the LM1117MPX_18NOPB is a 1.8V regulator.. Is that the correct regulator? The schematic shows 3.3V forth switch positions..

@Quas7
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Quas7 commented May 6, 2024

I used a 3.3V I had at hand with some pin bending. 1.8V does not make much sense for a 3.3V uController.

Would be good to add one or two footprints in parallel to have at least two standard formfactors for the LDO to chose from.

@HappyTechnician
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Yeah, I'll change that out and see what else is awkward with it

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