ESP2 WROOM Case marking / Memory size

rowifi
Posts: 3
Joined: Thu Aug 13, 2020 3:42 pm

ESP2 WROOM Case marking / Memory size

Postby rowifi » Fri Mar 19, 2021 10:57 am

I have two types of ESP2 WROOM-32E
One batch has marked XXOH32 another has XXOH28
One batch is a 4MB Memory, the other is 16MB.
I think theXXOH28 is the 16MB type but there are no other markings that identify them as different.
Where is the official information on Case Marking relating to this. I can't see it in the datasheet.

ESP_Minatel
Posts: 364
Joined: Mon Jan 04, 2021 2:06 pm

Re: ESP2 WROOM Case marking / Memory size

Postby ESP_Minatel » Fri Mar 19, 2021 12:53 pm

Hi,

You can find this information at: https://www.espressif.com/sites/default ... ion_en.pdf

ESP32-WROOM-32E(M113EH6400PH3Q0) - ESP32-WROOM-32E (8 MB)
ESP32-WROOM-32E(M113EH2800PH3Q0) - ESP32-WROOM-32E (16 MB)

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