33.3 Signature Bytes

All microcontrollers have a three-byte signature code which identifies the device. This code can be read in both serial and parallel mode, also when the device is locked. The three bytes reside in a separate address space. For the device the signature bytes are given in the following table.

Table 33-9. Device ID
PartSignature Bytes Address
0x0000x0010x002
ATmega48PB0x1E0x920x10
ATmega88PB0x1E0x930x16
ATmega168PB0x1E0x940x15