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IAR CRC configuration

In order to configure properly the CRC on ADuCM4050 within the IAR IDE it is necessary to modify following configurations under the Linker section.

  • Checksum tab (see figure)
    • Fill unused code memory must be checked
    • Fill pattern end address must be 0x7fb
    • "Generate checksum" must be checked
    • Checksum size: 4 bytes
    • Alignment:4
    • Algorithm: CRC32
    • Initial value = 0xFFFFFFFF
    • Use as input must be unchecked
    • Check sum unit size: 32-bit
  • Extra Options tab
    • Use command line options must be checked
    • Add “--keep __checksum"