Difference between revisions of "On-chip Memory"

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(→‎First additional On-Chip RAM area: Bootloader does something with this.)
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* Address range: 0xE5007000 to 0xE5008FFF
 
* Address range: 0xE5007000 to 0xE5008FFF
  
Appears to not be used by the OS.
+
Memory from 0xE5007000 to 0xE500701F has memory written to it then read back in the bootloader.
  
 
== Second additional On-Chip RAM area ==
 
== Second additional On-Chip RAM area ==

Revision as of 04:02, 11 February 2015

This page has not been completed. Parts may be missing or reorganized before completed. Information is provided as-is and may have errors.

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

Memory from 0xE5007000 to 0xE500701F has memory written to it then read back in the bootloader.

Second additional On-Chip RAM area

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

Appears to not be used by the OS.