AVR079
Table 9-9. Command format.
Command ID
Offset
0
Field
(1)
Size
1 byte
Values
XPRG_ENTER_PROGMODE
1
2
Parameter
Value (3)
(2)
1 byte
1-4
One of the XPRG_PARAM parameters
Depends on the parameter.
Notes:
1.
2.
3.
The command identifier
The parameter to set. See the appendix for the values.
The value’s size is depending on which parameter that is to be set.
Table 9-10. Answer format.
Command ID
Offset
0
1
Notes:
1.
2.
Field
(1)
Status (2)
The command identifier.
One of the defined error codes.
Size
1 byte
1 byte
Values
XPRG_ENTER_PROGMODE
All parameters listed in the appendix must be set in order to initialize the interface.
NOTE: Later revisions of the XPROG programming protocol may introduce new
parameters.
9.2.4 XPRG_ERASE
The XMega memories, fuses and lockbits can be erased at different levels: chip erase
(which clears all memories and the lockbits), application erase, boot erase and
EEPROM erase. There is also possible to erase single pages in flash and EEPROM
35
8133A-AVR-04/08
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