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Home/eeprom

Tag: eeprom

Acronym: Electrically Erasable, Programmable Read-Only Memory. Sometimes used with Flash parts that are similar to old EEPROM parts.

volt.tech Latest Questions

nidhi singh
  • 0
nidhi singh
Asked: March 27, 2023In: Microcontroller

How Virtual EEPROM and RA2E1 Product work Together?

  • 0

Hi, I need to apply the virtual EEPROM on a RA2E1. In principle, this mechanism works, and I can write and read the record IDs. During the production of the board, I need to program the original content of this rec id. ...Read more

Hi,

I need to apply the virtual EEPROM on a RA2E1. In principle, this mechanism works, and I can write and read the record IDs. During the production of the board, I need to program the original content of this rec id. Is there any documentation or example on how to make the memory address’s binary file starting from 0x40100000?

Thanks, Nidhi

Read less
0x40100000binaryboardeepormeeprommcumicrocontrollersmicroprocessorsRA2E1renesas
  1. ashishgawade
    Added an answer on March 28, 2023 at 10:13 am

    Hi Nidhi, Thanks for reaching out to Volt.Tech Engineering Community. If I understand right you need to program the data flash of the device just right? The data flash can be written in both ways, by Renesas Flash Programmer, or by self-programming (by the software running on the device). To programRead more

    Hi Nidhi,

    Thanks for reaching out to Volt.Tech Engineering Community.

    If I understand right you need to program the data flash of the device just right?
    The data flash can be written in both ways, by Renesas Flash Programmer, or by self-programming (by the software running on the device).

    To program only the data flash with Renesas Flash Programmer, the file used to program the device would require to hold only data for the data flash address range. A. srec,. hex, or. bin file can be used with RFP to give the data to be programmed into the flash.

    Regards

    Ashish

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  • 1 Answer
Answer
nidhi singh
  • 0
nidhi singh
Asked: March 9, 2023In: Microcontroller

TLE987X Emulated EEPROM?

  • 0

Hello, Dear Volt Tech support team, I’m using the TLE987X chip. I already read the Application note” Infineon-TLE987x_Data_Flash_Handling- AN-v01_01- EN” I want a C programming samples code for 1. Pushing data to EEPROM 2. Fetching data from EEPROM 3. Clearing the EEPROM Thank You

Hello, Dear Volt Tech support team,

I’m using the TLE987X chip. I already read the Application note” Infineon-TLE987x_Data_Flash_Handling- AN-v01_01- EN”

I want a C programming samples code for

1. Pushing data to EEPROM

2. Fetching data from EEPROM

3. Clearing the EEPROM

Thank You

Read less
chipeepromInfineontle987x
  1. Alex thomas
    Added an answer on March 15, 2023 at 9:55 am

    Hi @nidhi, As the sample code is for TLE9879QXA40 and you're applying TLE9872QTW40 so please make the following changes- Please go to Options for Target in Keil also- 1) Go to the Device menu and add your device TLE9872QTW40 also uncheck the BF stepping to make the code compatible with your device.Read more

    Hi nidhi singh,

    As the sample code is for TLE9879QXA40 and you’re applying TLE9872QTW40 so please make the following changes-

    Please go to Options for Target in Keil also-

    1) Go to the Device menu and add your device TLE9872QTW40 also uncheck the BF stepping to make the code compatible with your device.

    Go to Debug menu-> Settings-> Flash Download and confirm if TLE9872QTW40 with 252k size is selected.

    2) Now open the config wizard, go to PMU-> Power Saving Modes, select Sleep mode, and save it.

    3) Rebuild your project and check page 0 with address 0x1103F000.

    Best Regards
    Alex Thomas

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  • 1 Answer
Answer
nakhtar
  • 0
nakhtar
Asked: May 12, 2022In: Microcontroller

Writing bit/byte in EEPROM

  • 0

In one of our product, I want to write a bit/byte in EEPROM and after reset I will going to read & write a flag. Can you suggest how I can do this?

In one of our product, I want to write a bit/byte in EEPROM and after reset I will going to read & write a flag. Can you suggest how I can do this?

Read less
bitbyteeepromflag
  1. Nainesh Doshi
    Added an answer on May 17, 2022 at 11:37 am

    Yes you can use WDT in this case. When power failure detected, WDT will trigger interrupt, in interrupt routine store required bit/byte in EEPROM. Once power retains read EEPROM and based on retrieved bit/byte update flag. Hope this will answer your question.

    Yes you can use WDT in this case. When power failure detected, WDT will trigger interrupt, in interrupt routine store required bit/byte in EEPROM.

    Once power retains read EEPROM and based on retrieved bit/byte update flag.

    Hope this will answer your question.

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  • 1 Answer
Answer

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