Flash of ESP-WROOM-32D and ESP-WROOM-32U modules

modtronix
Posts: 8
Joined: Wed Sep 21, 2016 3:57 am

Flash of ESP-WROOM-32D and ESP-WROOM-32U modules

Postby modtronix » Thu Jul 05, 2018 12:41 am

Hello, I see the new ESP-WROOM-32D and ESP-WROOM-32U modules are available as:
ESP-WROOM-32D (4MB Default)
ESP-WROOM-32D (8MB)
ESP-WROOM-32D (16MB)
ESP-WROOM-32U (4MB Default)
ESP-WROOM-32U (8MB)
ESP-WROOM-32U (16MB)

Are the given MB values MBytes or MBits? I assume MBytes, which would mean the default modules have 4MBytes of flash = 32MBits. Can someone confirm this?

Pibbotley
Posts: 31
Joined: Fri Feb 16, 2018 7:06 pm

Re: Flash of ESP-WROOM-32D and ESP-WROOM-32U modules

Postby Pibbotley » Thu Jul 05, 2018 11:29 am

The IEEE convention is uppercase B for bytes, lower case b for bits, so 4MB = 4M bytes = 32M bits

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