8-bit AVR Microcontrollers

Signature Bytes

The device have a three-byte signature code. 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 1. Device ID
Part Signature Bytes Address
0x000 0x001 0x002
ATmega328PB 0x1E 0x95 0x16