8-bit AVR Microcontroller

Power-On Reset

Table 1. Characteristics of Enhanced Power-On Reset. TA = -40 to 125°C
Symbol Parameter Min(1) Typ(1) Max(1) Units
VPOR Release threshold of power-on reset (2) 1.1 1.4 1.6 V
VPOA Activation threshold of power-on reset (3) 0.6 1.2 1.6 V
SRON Power-On Slope Rate 0.01     V/ms
Notes:
  1. 1.Values are guidelines, only
  2. 2.Threshold where device is released from reset when voltage is rising
  3. 3.The Power-on Reset will not work unless the supply voltage has been below VPOT(falling)