SPRADE8 November   2023 TMS320F28P650DH , TMS320F28P650DK , TMS320F28P650SH , TMS320F28P650SK , TMS320F28P659DH-Q1 , TMS320F28P659DK-Q1 , TMS320F28P659SH-Q1

 

  1.   EEPROM Emulation for Generation 3 C2000 Real Time Controllers
  2.   Trademarks
  3. 1 Introduction
  4. 2 Difference Between EEPROM and On-Chip Flash
  5. 3 Overview
    1. 3.1 Basic Concept
    2. 3.2 Single-Unit Method
    3. 3.3 Ping-Pong Method
    4. 3.4 Creating EEPROM Sections (Pages) and Page Identification
  6. 4 Software Description
    1. 4.1 Software Functionality and Flow
  7. 5 Ping-Pong Emulation
    1. 5.1 User-Configuration
      1. 5.1.1 EEPROM_Config.h
      2. 5.1.2 F28P65x_EEPROM.c
    2. 5.2 EEPROM Functions
      1. 5.2.1  EEPROM_Config_Check
      2. 5.2.2  Configure_Protection_Masks
      3. 5.2.3  EEPROM_Write
      4. 5.2.4  EEPROM_Read
      5. 5.2.5  EEPROM_Erase
        1. 5.2.5.1 Erase_Bank
      6. 5.2.6  EEPROM_GetValidBank
      7. 5.2.7  EEPROM_UpdateBankStatus
      8. 5.2.8  EEPROM_UpdatePageStatus
      9. 5.2.9  EEPROM_Get_64_Bit_Data_Address
      10. 5.2.10 EEPROM_Program_64_Bits
      11. 5.2.11 EEPROM_CheckStatus
      12. 5.2.12 ClearFSMStatus
    3. 5.3 Testing Example
  8. 6 Single-Unit Emulation
    1. 6.1 User-Configuration
      1. 6.1.1 EEPROM_Config.h
      2. 6.1.2 F28P65x_EEPROM.c
    2. 6.2 EEPROM Functions
      1. 6.2.1  EEPROM_Config_Check
      2. 6.2.2  Configure_Protection_Masks
      3. 6.2.3  EEPROM_Write
      4. 6.2.4  EEPROM_Erase
      5. 6.2.5  EEPROM_GetValidBank
      6. 6.2.6  EEPROM_Get_64_Bit_Data_Address
      7. 6.2.7  EEPROM_UpdateBankStatus
      8. 6.2.8  EEPROM_UpdatePageStatus
      9. 6.2.9  EEPROM_Get_64_Bit_Data_Address
      10. 6.2.10 EEPROM_Program_64_Bits
      11. 6.2.11 EEPROM_CheckStatus
      12. 6.2.12 ClearFSMStatus
    3. 6.3 Testing Example
  9. 7 Application Integration
  10. 8 Adapting to Other Gen 3 C2000 MCUs
  11. 9 Flash API
    1. 9.1 Flash API Checklist
      1. 9.1.1 Flash API Do's and Do Not's
  12. 10Source File Listing
  13. 11Conclusion
  14. 12References

Abstract

EEPROM Emulation for Generation 3 C2000 Real Time Controllers

Many applications require storing small quantities of system related data (calibration values, device configuration) in non-volatile memory so that it can be used or modified and reused even after power cycling the system. Electrically erasable programmable read-only memory, or EEPROM, is primarily used for this purpose. EEPROMs have the ability to erase and write individual bytes of memory many times over and the programmed locations retain the data over a long period even when the system is powered down. This application report and the associated code help to define a sector(s) of on-chip Flash memory as the emulated EEPROM and is transparently used by the application program for writing, reading, and modifying the data.

Project collateral and source code discussed in this application report can be found in C2000Ware v5.01.00.00 (or higher) at the following path: C2000Ware_5_01_00_00/driverlib/f28p65x/examples/c28x/flash/.
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