Flash Memory

The embedded Flash memory has four separate sections.

Table 1. Number of Words and Pages in the Flash (ATtiny9/10)
Section Size (Bytes) Page Size (Words) Pages WADDR PADDR
Code (program memory) 1024 8 64 [3:1] [9:4]
Configuration 8 8 1 [3:1] -
Signature (1) 16 8 2 [3:1] [4:4]
Calibration(1) 8 8 1 [3:1] -
Note:
  1. This section is read-only.
Table 2. Number of Words and Pages in the Flash (ATtiny4/5)
Section Size (Bytes) Page Size (Words) Pages WADDR PADDR
Code (program memory) 512 8 32 [3:1] [9:4]
Configuration 8 8 1 [3:1] -
Signature (1) 16 8 2 [3:1] [4:4]
Calibration(1) 8 8 1 [3:1] -
Note:
  1. This section is read-only.