Lockbits
Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
LOCKBIT[7:0] | |||||||
AccessR/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W |
Reset0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Lockbits
When the part is locked, UPDI cannot access the system bus, so it cannot read out anything but CS-space.
Value | Description |
---|---|
0xC5 | Valid key - the device is open |
other | Invalid - the device is locked |