Command
Write this bit field
to issue a command. The Configuration Change Protection key for self-programming
(SPM) has to be written within four instructions before this
write.
| Value | Name | Description |
|---|
| 0x0 |
- |
No command |
| 0x1 |
WP |
Write
page buffer to memory (NVMCTRL.ADDR selects which
memory) |
| 0x2 |
ER |
Erase
page (NVMCTRL.ADDR selects which memory) |
| 0x3 |
ERWP |
Erase
and write page (NVMCTRL.ADDR selects which
memory) |
| 0x4 |
PBC |
Page buffer clear |
| 0x5 |
CHER |
Chip
erase: erase Flash and EEPROM (unless EESAVE in FUSE.SYSCFG is
'1') |
| 0x6 |
EEER |
EEPROM Erase |
| 0x7 |
WFU |
Write fuse (only accessible through
UPDI) |
|