The figure below shows the megaAVR® 0-series devices, laying out pin count variants and memory sizes:
- Vertical migration is possible without code modification, as these devices are fully pin and feature compatible
- Horizontal migration to the left reduces the pin count and, therefore, the available features
Figure 1. megaAVR® 0-series Overview
Devices with different Flash memory sizes typically also have different SRAM and EEPROM.
The name of a device in the megaAVR 0-series is decoded as follows:
Figure 2. megaAVR® Device Designations
