| MEMTYPE_FLASH_PAGE | RW | - |
Used for reading and writing FLASH pages in programming mode. Writing it restricted to single full FLASH pages. Reading is restricted to multiple full FLASH pages. If access is attempted outside of programming mode, an error is returned.
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| MEMTYPE_EEPROM_PAGE | RW | - | Used to read and write EEPROM in programming mode. Writing is restricted to single full pages. Reading is restricted to multiple full pages. If access is attempted outside of programming mode, an error is returned
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| MEMTYPE_FUSES | RW | - | Used to read and write FUSES in programming mode. Up to 3 fuses can be written/read in one operation. More than 3 results in an error
Up to address 0x02 can be accessed. Outside of this range results in an error
If access is attempted outside of programming mode, an error is returned
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| MEMTYPE_LOCKBITS | RW | - | Used to read and write LOCKBITS in programming mode. Only a single lockbit is available to read, at address 0. Violating this results in an error
If access is attempted outside of programming mode, an error is returned
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| MEMTYPE_SIGNATURE | R | - | Used to read the device SIGNATURE in programming mode. Up to 3 signature bytes can be read in one operation. More than 3 results in an error Up to address 0x02 can be accessed. Outside of this range results in an error If access is attempted outside of programming mode, an error is returned
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| MEMTYPE_OSCCAL | R | - | Used to read the device OSCCAL VALUES in programming mode. Up to 4 bytes can be read in one operation. More than 4 results in an error Up to address 0x03 can be accessed. Outside of this range results in an error If access is attempted outside of programming mode, an error is returned
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| MEMTYPE_SRAM | - | RW | Accesses SRAM and IO space during debugging. If used in programming mode, an error is returned If a read attempts to read an area containing the OCDR register, an error is returned. A masked read must be used in this case. Any number of bytes (within payload restrictions) can be written or read in one operation.
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| MEMTYPE_EEPROM | - | RW | Used to read and write EEPROM during a debug session. Any number of bytes can be written or read in one operation. Uses monitor code heavily - may take some time to complete, depending proportionally upon the number of bytes being accessed
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| MEMTYPE_SPM | - | R | Used to read FLASH during a debug session. If an odd number of bytes is requested, an error is returned
. If a mal-aligned address is requested, an error is returned
. Software breakpoints are filtered out.
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| MEMTYPE_USER_SIGNATURE | RW | RW | Used to read/write the USER SIGNATURE in programming mode. NB: applies to ATmegaxxxRFR2 devices only! Writing it restricted to single full FLASH pages. Reading is restricted to multiple full FLASH pages.
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