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killerbeat12 avatar killerbeat12 commented on August 16, 2024 1

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RobTillaart avatar RobTillaart commented on August 16, 2024

Thanks for your question.
I am not familiar with that type number. Most EEPROM's I know work pretty similar. To be sure you need to compare the datasheet.

Do you have a link to its datasheet?

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killerbeat12 avatar killerbeat12 commented on August 16, 2024

Thanks for your quick response, yes :
m24512_r-1849742.pdf

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RobTillaart avatar RobTillaart commented on August 16, 2024

From the M24512 datasheet -- compared to supported 24AA512/24LC512/24FC512 datasheet

The M24512-D offers an additional page, named the identification page (128 byte). The identification page can be
used to store sensitive application parameters which can be (later) permanently locked in read-only mode.

image

image

image

This is not supported in my library,

Pins

Pins look very similar
Write Control == Write protect (works same)
E0, E1, E2 === A0, A1, A2 (works same)

Address

Address range is 0x50..0x57 is same for core EEPROM memory

The M24512-D also offers address 0x58..0x5F for the identification page.
==> last 3 enable/address bits same as core EEPROM.

Data transfer

Looks the same to me.

Conclusion

After a quick compare of the datasheets I think the library should work with the M24512 device.
At least the core EEPROM function of the M24512.

The only part that is not supported is the identification page of the M24512-D model.
This could in theory be supported in a derived class.

So give it a try and let me know if your M24512 works.

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RobTillaart avatar RobTillaart commented on August 16, 2024

@killerbeat12
M24xxx series mentioned some years ago in #21 and one model was confirmed working.

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RobTillaart avatar RobTillaart commented on August 16, 2024

@killerbeat12
Any progress to report?

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killerbeat12 avatar killerbeat12 commented on August 16, 2024

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RobTillaart avatar RobTillaart commented on August 16, 2024

Linked in accepted!

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RobTillaart avatar RobTillaart commented on August 16, 2024

Confirmed working by email.

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