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Questions tagged [eeprom]

Anything related to Electrically-Erasable Programmable Read Only Memory (EEPROM), a kind of non-volatile electronic memory technology. EEPROMs can be programmed and erased using only electrical signals and maintain their content also in absence of power supply. The now ubiquitous Flash memory is a specialized form of EEPROM. QUESTIONS ON STACK OVERFLOW MUST BE PROGRAMMING-RELATED, for other types of questions, post on another Stack Exchange site.

Anything related to Electrically-Erasable Programmable Read Only Memory (EEPROM), a kind of non-volatile electronic memory technology. EEPROMs can be programmed and erased using only electrical signals and maintain their content also in absence of power supply. The now ubiquitous is a specialized form of EEPROM.

See Wikipedia page on EEPROMs.

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AVR EEPROM issue in proteus

When I'm using Proteus to simulate following program, The EEPROM will not change, and Also the EEPE will not set when I add EECR to watch, The whole program is here: #include #include #include #include…
hedayat yazdani
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how interface both pcf8563 rtc and 24lc512 eeprom with 1K pullup resistor on sda and scl

i have been working on a code where both 24lc512 and pcf8563 are interfaced together. Here in the breakup board of pcf8563 there are two 1K pull-up resistor on SDA and SCL line so am planning on using the same resistors for eeprom. I had a code for…
Sreez..
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How to program AT17LV FPGA configuration EEPROM?

First of all please bear with me as I am quite new on this FPGA field. I have a custom FPGA board with At17LV. And I have also an old programmer called "ATMEL FPGA Configurator Programmer". The eeprom can be placed on the adapter socket. The PCB…
Sener
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Error in writing/Reading to I2C EEPROM + STM32F0 Discovery

I am struggling to Write or read to AT24C256 I2C EEPROM. I am using STM32F0 discovery board to read/write to EEPROM. I am using HAL library and CUBEMX for basic structure. I have written small code to test the read and write function. On debugging…
RS System
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Storage on Nodemcu EEPROM

Is there a way to access NodeMCU's EEPROM using Lua? I would like to store data to the EEPROM on NodeMCU but I cannot find any libraries to do so in Lua.
Sawssen Bejaoui
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Read EEPROM entry from linux module

I'm writing a linux driver for a custom RF board. The RF board have an EEPROM contain some information and I want to load this information to my driver. Linux kernel already has EEPROM module, this module read all memory of the EEPROM and export to…
Gochit
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What should I do to create Linux mountable I2C EEPROM device?

I have an EEPROM chip which is connected to the PC through I2C interface. The question is following: "What should be done to have a possibility to write into the EEPROM chip files and directories as it is regularly done while using any hard…
Victor Signaevskyi
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How to store negative numbers in EEPROM (Arduino IDE)?

I am trying to find a straightforward way to store negative values in EEPROM, integer values ranging from -20 to 20. I have been using EEPROM.write and EEPROM.read functions to store strings one character at a time, but I am having trouble with…
bbglazer
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External booting of STM32F427 from EEPROM

I am working on Stm32f427. I want to interface EEPROM with this microcontroler for external booting. The external booting options mentioned in referance manual are from system memory and SRAM. Please tell me how to interface EEPROM with this…
Muhammad Nabeel Tahir
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Compiling Error when passing an array/pointers into a procedure in a library

I am having an issue with passing an array into function which is contained in a library. I am using the Arduino IDE 16.7. If I pass a non-array/non-pointer variable than the code compiles fine. I think I have made a basic flaw with my addresses of…
John B.
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Non-class type error, and Pointer issues

I am currently receiving the following message: Error receive from Arduino IDE: request for member 'EEPROMWriteAny' in 'eType', which is of non-class type 'EEPROMAnyType()' I do not think I am passing the variables by reference properly in my…
John B.
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Not ACK bit in the AT24C512C EEPROM Read operation via I2C connection

As you can see in the below picture of the AT24C512C datasheets from ATMEL,after reading desired data from EEPROM,there is a NOT ACK bit following the data which I don't understand is produced by the EEPROM or MCU(master)? As you know past ACK bits…
Dzzz
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EEPROM read and write for 5 bits

I have this code that write and write from EEPROM for 4 digit number. For Ex: 2356 Code; void WritePassToEEPROM(uint16_t pass) { EEPROMWrite(0000,(pass%100)); EEPROMWrite(0001,(pass/100)); } uint16_t ReadPassFromEEPROM() { return…
Silver Pearl
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Initializing Eeprom in IAR on an STM32L0

I want the eeprom to be initialized with certain values but its not working as intended. What am I doing wrong: From my .icf File in IAR define symbol __region_EEPROM_start__ = 0x08080030; define symbol __region_EEPROM_end__ = 0x080807FF; .. define…
Flying Swissman
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Tracking address when writing to flash

My system needs to store data in an EEPROM flash. Strings of bytes will be written to the EEPROM one at a time, not continuously at once. The length of strings may vary. I want the strings to be saved in order without wasting any space by continuing…
Megool
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