All Questions
9
questions
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EEPROM chip always toggling bit when reading
I have a parallel EEPROM, the AT29C020 (doc: http://pdf.datasheetcatalog.com/datasheet/atmel/DOC0291.PDF)
In order to read it I'm using an ATMega8535 as it has enough pins.
At first I thought reading ...
1
vote
1
answer
325
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Help understanding table in SAM E54 Datasheet
I apologize if this isn't the right place to ask this question, but I'm having trouble interpreting a table in the SAM E54 datasheet.
I am trying to configure the size of the SmartEEPROM on an ...
- 207
5
votes
6
answers
2k
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Can an EEPROM be one-time-programmable?
I'm confused, and I hope you can help me figuring out, what I misunderstood. I am not an electronics engineer, so bear with me :)
I have a chip, from the engine control unit of a Toyota Yaris Verso ...
- 710
2
votes
2
answers
2k
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ATMEL 24C02 EEPROM - Trouble understanding how the addressing works
I am currently writing a library for ATMEL's 24C series EEPROMs (not a programming question). The library works fine with a single EEPROM at the moment and I am trying to support multiple EEPROMs now, ...
user193111
0
votes
1
answer
567
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Atmel SPI Serial EEPROM Writing Error - Page Write?
I'm using this EEPROM: Atmel AT25640B SPI EEPROM DATASHEET
It seems pretty straight forward to operate and I've followed the datasheet closely when coding my driver. I seemed to have some success ...
- 357
1
vote
3
answers
3k
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Breaking a 16-bit long int to write into eeprom?
I am writing data to eeprom AT24C16 using PIC microcontroller pic18f4520. Every address of this eeprom can hold 8-bits while I am using long int's to store data that are 16-bit in size. How to break ...
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7
votes
5
answers
2k
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EEPROM endurance in energy meter?
I am designing an energy meter for electricity billing purposes by converting an analogue energy meter and counting the number of pulses given by the analogue meter's LED. Since power may be cut off ...
0
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1
answer
109
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Can I replace an AT28c17 with a CAT28c65B without changing my software?
The AT28c17 is a 16k e2prom while the CAT28c65B is 64K bit e2prom and both are in a 32 pin PLLC package. They have 10 adresss lines with the only difference being the AT28c17 has
A0-A10 adress lines ...
- 11
0
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1
answer
273
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Ardupilot, atmega1280 and barometer
I'm working on a project and I need to know where the information taken by the barometer sensor are stored.
I think in the eeprom, but exactly where? Is there a specific address or register memory?
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