ATtiny1624/1626/1627

SERNUMn

Serial Number Byte n

Each device has an individual serial number representing a unique ID. This can be used to identify a specific device in the field. The serial number consists of ten bytes: SIGROW.SERNUM[9:0].
  0x03 + n*0x01 [n=0..9] 8 - [Byte n of device serial number]     10 -1

Serial Number Byte n

Bit  7 6 5 4 3 2 1 0  
  SERNUM[7:0]  
Access  R R R R R R R R  
Reset  x x x x x x x x  

Bits 7:0 – SERNUM[7:0]: Serial Number Byte n

Serial Number Byte n