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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Is it safe to replace a 120ns Flash memory with a 90ns part?
Here is an old PLC board with a pair of AM29F200AB-120SI SOP-44 256kB 5V flash chips. One is unable to retain data, after nearly three decades in service.
These are very challenging to find today, ...
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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 program i2c eeprom by hand?
I have a 24c02 eeprom and I want to program it. But I don't have Arduino or any microcontroler. I saw a video about program eeprom by hand, but they are parallel eeprom. This is the link of that video:...
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Problem with writing eeprom memory
I am trying to write atmel at28c256 on breadboard so I tied all address lines to ground, and all I/O lines also tied to ground. I untie I/O lines for reading, tie 'WE to high, 'CE to low, and 'OE to ...
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EEPROM in Simulator for Microchip Pic18f
When programming a Microcontroller from Microchip using Pic18F and using XC8 Compiler, can i use Simulator to test / verify it ?
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Why is so8 test clip causing read errors with 93C56 eeprom (TL866 programmer)?
I am trying to read an Atmel 93C56B eeprom, so8 surface mount package, with this programmer. When using the so8 adapter in the zif socket it works perfectly. However when I use the test clip, it is ...
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Designing a Carry lookahead unit using EEPROMs, creates oscillator
I have read something about CLUs (Carry Lookahead Units) and want to build one. I have settled on a design using EEPROMS as ...
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Does "field electron emission" used in EEPROM work better than "hot-carrier injection" in NOR Flash?
After deeping research based on my another question, I continued comparing Flash and EEPROM based on wikipedia comparison table.
From wikipedia about the Flash memory:
Programming
the source-drain ...
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Calculate Xilinx MCS PROM checksum (signature)
Is it possibly to calculate the checksum (or signature in Xilinx terminology) for a Xilinx MCS file myself, i.e. without using promgen.exe or any other Xilinx tools?
This question has been asked many ...
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Not being able to write&read data from the 24C04N EEPROM using I2C
I have connected the 24C04N EEPROM to the ATmega328p like this -
Image source - Google
The only difference is I connected the ATmega328p on a breadboard using FTDI like this -
Image source - This is ...
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USB to Ethernet controller, RTL8153, without EEPROM and only 3.3 V
I want to implement an RTL8153 controller in the simplest and most compact way possible on the PCB of an Arduino project. It's a driver-free (CDC-ECM) USB to Ethernet PHY controller.
Can it be used ...
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PIC18 I2C EEPROM interface SEN stuck high
I'm trying to get a PIC18F46K40 I2C interface to work with a M24M01-D EEPROM, however I'm having problems where my code is checking for the I2C bus to be idle before initating a start condition using ...
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Repair HDMI HPD and EDID failure
This is a photo of an old video board from a Dell display showing "No Cable", and "No Signal" OSD messages but working correctly when video is force-enabled and EDID is supplied ...
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FT232R custom eeprom - D2XX
trying to figure out how to read full EEPROM dump and flash it back without using any templates, M Prog and FT Prog.
Need a way to utilize extra space on eeprom for authenticating cables.
Basically ...
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Writing an Array to EEPROM Problem
When I write an array to EEPROM and read it I always get 0xFF.
I am writing in addres 0x0001 to 0x0005.
The password I am entering is 1,1,1,1,1 saved in uint8 array ...
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