Difference between revisions of "Config Mapping Register"

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m (Ped7g moved page ROM mapping register to Config Mapping Register: syncing naming with latest nextreg.txt)
(updated to 78a6ee50)
 
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Write (config mode only, bootrom disabled):
 
Write (config mode only, bootrom disabled):
   bits 7:5 = Reserved, must be 0
+
   bit 7 = Reserved, must be 0
   bits 4:0 = 16K SRAM bank mapped to 0x0000-0x3FFF (first 1MB of SRAM) (hard reset = 0)
+
   bits 6:0 = 16K SRAM bank mapped to 0x0000-0x3FFF (hard reset = 0)
 +
  ** Even multiplies of 256K are unreliable if storing data in sram for the next core started.

Latest revision as of 10:54, 3 November 2024

Number $04
Readable No
Writable Yes
Short Description In config mode, allows RAM to be mapped to ROM area.

Write (config mode only, bootrom disabled):

  bit 7 = Reserved, must be 0
  bits 6:0 = 16K SRAM bank mapped to 0x0000-0x3FFF (hard reset = 0)
  ** Even multiplies of 256K are unreliable if storing data in sram for the next core started.