ATtiny1624/1626/1627

LOCKBIT

Lock Bits

The default value given in this fuse description is the factory-programmed value, and should not be mistaken for the Reset value.

  0x00 8 - 0xC5    

Lock Bits

Bit  7 6 5 4 3 2 1 0  
  LOCKBIT[7:0]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  1 1 0 0 0 1 0 1  

Bits 7:0 – LOCKBIT[7:0]: Lock Bits

Lock Bits

When the part is locked, UPDI cannot access the system bus, so it cannot read out anything but CS-space.

ValueDescription
0xC5 Valid key - the device is open
other Invalid - the device is locked