SPRADK2 November   2024 F29H850TU , F29H859TU-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Supplemental Online Information
  6. 3SSU Overview
  7. 4Key Concept Definitions
  8. 5Safety and Security Goals
  9. 6System Design
  10. 7Configuring the SSU
    1. 7.1 Flash SECCFG Region
    2. 7.2 SSU Development Life Cycle
    3. 7.3 Using the SysConfig Tool
      1. 7.3.1 Enabling System Security Configuration
      2. 7.3.2 Configuring Application Modules
      3. 7.3.3 Configuring Special Modules
        1. 7.3.3.1 LINK2 Configuration
        2. 7.3.3.2 LINK1 Configuration
        3. 7.3.3.3 Adding Shared Memory
      4. 7.3.4 Defining Sandboxes
  11. 8Summary
  12. 9References

7.3.3.2 LINK1 Configuration

CPU1.LINK1 is primarily used for bootloaders, and has extra hard-coded privileges to support bootloader functions, such as the ability to write to certain system configuration registers. LINK1 can also be used as a conventional user LINK; however, adding non-bootloader-related code and data to LINK1 is not recommended except as a last resort when all other LINKs are already in use.

When any peripheral boot mode is configured in the Boot Settings group, SysConfig automatically configures LINK1 to have access to the respective peripherals required for that boot mode to function, for example, CAN, UART, or SPI. These peripherals are automatically added to the LINK1 module by SysConfig, in addition to certain peripherals that are always required for device boot, such as IPC and the HSM mailbox.