8.4 Power Configurations

Two different configurations are described below, depending on customer use.
  • Single supply—SAM9X60D1G-I/LZB can be supplied by only one input supply (for example, a 5V AC/DC wall adapter) and other input supplies can be connected to the internal 3.3V regulator VDD_3V3. All the PIO lines are supplied at 3.3V.
  • Multiple supplies—SAM9X60D1G-I/LZB can be supplied by a 5V supply and a backup battery. Some PIO lines are supplied by different LDOs for specific applications, such as VDDQSPI.
Figure 8-5. SAM9X60D1G-I/LZB Single Supply Connection Example
Figure 8-6. SAM9X60D1G-I/LZB Multiple Supplies Connection Example