1.1 tinyAVR 1-Series

The figure below shows the tinyAVR 1-series devices, illustrating pin count variants and memory sizes:

  • Vertical migration can be done upwards without code modification, since these devices are pin compatible and provide the same or even more features. Downward migration may require code modification due to fewer available instances of some peripherals.
  • Horizontal migration to the left reduces the pin count, therefore, the available features.
Figure 1-1. tinyAVR® 1-Series Device Overview

Devices with different Flash memory size typically also have different SRAM and EEPROM.