339 questions
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How To Access UID in 24CS256
I have a Microchip 24CS256 that doesn't appear to respond to address 0x58. I'm trying to read the Unique ID. I seem to be able to read and write the lower addresses with device ID 0x50, but the device ...
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1
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158
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Embassy I2C Communication with 24C16N EEPROM on STM32F103C8 Fails, While stm32f1xx_hal Works
I'm developing an embedded project in Rust using the embassy framework on an STM32F103C8 microcontroller. My board includes an EEPROM module (24C16N), and I need to use it for reading and writing data....
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1
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Preserving EEPROM-Emulation area when programming new code - STM32 - VScode - JLink
I'm using the last flash page (page 31: 0x0800 F800 - 0x0800 FFFF2) as eeprom emulation area on my STM32G030C8.
I'm working with VScode and programming/debugging the flash with JLink over USB.
Is ...
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126
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STM32 SPI communication with 93C46 EEPROM
I want to sent commands (Read, Write, etc.) to a 93C46 EEPROM with a STM32 micro-controller through the SPI interface. The data sheet of 93C46 says that we should send (e.g.) 20 clock cycles for a ...
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65
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Access /sys/bus/w1/ from kernel module
I am new to kernel device driver development(or Linux development). I currently have a 1-wire memory device that shows up in /sys/bus/w1/devices/w1_bus_master1/. There I can read the eeprom and other ...
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1
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100
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Read EEPROM via SPI (C232HM)
I want to read a M95128-DRMF4TG/K EEPROM with a C232Hm MPSSE cable, with contains a C232H MPSSE controller. This is my code (C#):
private void ReadSPI(byte[] byteArray, int adress) //adress is 0x0100, ...
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47
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LPC4333 Internal EEPROM Endurance and Wear Levelling
I am trying to understand the the datasheet for the EEPROM Endurance.
I can see that the EEPROM has a minimum of 100K erase/write cycles.
Is this per word, per page or just in total?
The EEPROM has ...
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67
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AVR ASM, EEPROM being written to before being specified
enter image description hereIm trying to build a digital safe using the ATMEGA32A micrcontroller. Ive read through the date sheet for read/ writes to EEPROM which is fine but my program seems to ...
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199
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EEPROM wear leveling between power cycles
I have an EEPROM with 2kb memory available to store some data - 8 bytes per write.
I need to write this data every second, and currently I don't have the ability to change the EEPROM to FRAM or a ...
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QSPI eeprom page not written
I'm using the Renesas RA6M4 QSPI API to write to QSPI EEPROM (MX25L256 From Macronix), but every time when I write to the third page, the second page is somehow erased, only first page data is ...
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27
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How do I find out if a char anything in it?
I have an app in which I save inputted text to EEPROM and then I retrieve it from EEPROM every time the app is launched. Here is the code I use to retrieve the EEPROM, divide it into parts and print ...
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33
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Is there a manual for the digelec LabPro logic programmer?
I have a digelec logic programmer, Model LabPro that was made by Advanced Micro Devices. I really need the manual to be able to use the device.
Searched the Internet for the documentation, could not ...
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1
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65
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I2C Communication with Tiva TM4C123GXL
I am trying to connect a Tiva TM4C123GXL with I2C. I think I am writing to the data register properly, however every single time I read from I2C, I am always getting 0xFF back. I am connected to an ...
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177
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8051 Keil c51 Unable to properly use the INTERNAL EEPROM, on 89c52 or STC12C5A60S2
Difficulty Reading/Writing Multiple Bytes from Internal EEPROM (STC12C5A60S2 / 89C52)
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I'm encountering a persistent challenge in reading and writing multiple bytes from the internal EEPROM of an ...
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121
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Might there be a bug at the EEPROM write simulator in ATMEL/Microchip Studio?
I'm currently writing an assembler program for the ATMEGA328P, using Microchip Studio (7.0.2594) and also a test suite in order to verify correct funtioning. While testing this program writing error ...