On-chip Memory

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The SH7305 is equipped with a number of different built-in memory areas with various properties.

RS Memory

  • Size: 16376 bytes
  • Address range: 0xFD800000 to 0xFD803FF8

Holds important OS values and code (including code that writes to the Flash), should not be modified carelessly.

IL Memory

  • Size: 4096 bytes
  • Address range: 0xE5200000 to 0xE5200FFF

Appears to not be used by the OS.

First additional On-Chip RAM area

  • Size: 8192 bytes
  • Address range: 0xE5007000 to 0xE5008FFF

Appears to not be used by the OS.

Second additional On-Chip RAM area

  • Size: 8192 bytes
  • Address range: 0xE5017000 to 0xE5018FFF

Appears to not be used by the OS.