Datasheet

381

8284D–AVR–6/11

ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P

Figure 30-42. ATmega169A: BOD Thresholds vs. Temperature (BOD Level is 1.8V)

Figure 30-43. ATmega169A: Bandgap Voltage vs. V

Rising Vcc

Falling Vcc

1.786

1.791

1.796

1.801

1.806

1.811

1.816

1.821

1.826

1.831

-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85

Temperature (°C)

BOD threshold (V)

85 °C

25 °C

-45 °C

1.065

1.07

1.075

1.08

1.085

1.09

1.095

1.1

1.105

1.5 2 2.5 3 3.5 4 4.5 5 5.5

Vcc (V)

Bandgap Voltage (V)