Questions tagged [eeprom]
Acronym: Electrically Erasable, Programmable Read-Only Memory. Sometimes used with Flash parts that are similar to old EEPROM parts.
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FLASH memory corruption
I have a stm32f030c8t6 which I wish to save some data in its FLASH memory. I use Address Page30 which is 0x08007800 in memory map. it is in 7th Sector. I've developed my code and easily saved some ...
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How to know if an EEPROM IC can interface via Octospi?
I just learned that Octospi can NOT be configured to be used as a standard SPI device as Octospi was designed to be used to interface with external memory devices.
The thing is, EEPROM ICs don't seem ...
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Can I improve EEPROM lifetime by not changing individual bits?
In my current project I need to store (among other things) the current elapsed time in hours to retrieve it in case of power loss. Since I am using a Arduino Nano I would ideally like to use the built ...
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EEPROM usage in ZS-042
I have bought a realtime clock module (this one). According to the sparse data I found there is a EEPROM on it. It's called 24C32 as can be seen on this schematic I found:
As I want to rebuild this ...
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EEPROM with GPIO [closed]
Trying for a while now, but I cannot find an EEPROM memory with some address bit mapped to a GPIO. Or from a different angle, a GPIO expander with an EEPROM memory to save the config.
Do such devices ...
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STM32 - EEProm emulation example - how to determine / automatically assign start address without conflict
I am not sure, if I missed some information the documents I read, but I struggle with the following issue.
I want to implement an emulated EEPROM in my software for an STM32F103 (physically a ...
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SPI Bit bang to enable/read/write EEPROM from TM4C123GXL
I have checked a few bit bang posts here but still couldn't figure it out.
The datasheet of the EEPROM is at: Datasheet of FT93C66A
I tried to interface with SPI but to no avail, so I decided to use ...
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Is it possible to modify 8-pin Christmas tree LED controller's functions?
Intro
I have an 8-function artificial Christmas tree. The 2-wire LEDs have eight different lighting settings. The control box of the tree has a pushbutton that I can depress to cycle through the ...
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Does an EEPROM consume power only during the transition edges or during entire read/write cycle?
Iam trying to simulate the loading behavior of an EEPROM. It is powered by a 5V LDO.
When would the EEPROM actually consume power?
Does it consume power during the entire read/write cycle time? As ...
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Best way to store very small amount of data?
I'm building a side project at the moment and I want to be able to store and retrieve a very small amount of data (10 kB tops). If the power is disconnected I want to be able to retain the data. I ...
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EEPROM in battery management system
I am designing a battery management system. I am however unable to comprehend the way in which EEPROM can be accessed to feed OCD (Over Current Delay) values.
I have attached the datasheet:
https://...
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Page write method EEPROM is overwriting after 16 bytes [closed]
I am using an M24C04-R EEPROM. I am trying to do write page and read page of structure values, but it's overwriting the values after 16 bytes. uC is Renesas RX24T. Can anyone explain why?
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Why SBC contain EEPROM?
I have nanopc t2 SBC, its software is open source. However, it has an EEPROM. Why? Do they put some confidential information on it? What if I plan to redesign that board, will I need the contents of ...
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Help with reading and programming 93c56 EEPROM [closed]
I need some advice on software and hardware. I would like to read and program the 93c56 EEPROM chip. The chip is removed from the device. I would like to read the content of the EEPROM and compare it ...
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Microcontroller and Memory size allocation
Below are two custom made microcontrollers. The only difference between this is memory size.
My question:
Can someone tell me what is their start address and end address? Like, for the first one - ...
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