Control A
Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
CMD[2:0] | |||||||
Access | R/W | R/W | R/W | ||||
Reset | 0 | 0 | 0 |
Command
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) |