System and Reset Characteristics

Table 1. Reset, Brown-out and Internal Voltage Characteristics(1)
Symbol Parameter Condition Min. Typ Max Units
VPOT Power-on Reset Threshold Voltage (rising)   1.1 1.5 1.7 V
Power-on Reset Threshold Voltage (falling)(2)   0.6 1.0 1.7 V
SRON Power-on Slope Rate   0.01 - 10 V/ms
VRST RESET Pin Threshold Voltage   0.2 VCC - 0.9 VCC V
tRST Minimum pulse width on RESET Pin   - - 2.5 μs
VHYST Brown-out Detector Hysteresis   - 50 - mV
tBOD Min. Pulse Width on Brown-out Reset   - 2 - μs
VBG Bandgap reference voltage VCC=2.7
TA=25°C 1.0 1.1 1.2 V
tBG Bandgap reference start-up time VCC=2.7
TA=25°C - 40 70 μs
IBG Bandgap reference current consumption VCC=2.7
TA=25°C - 10 - μA
Note:
  1. Values are guidelines only.
  2. The Power-on Reset will not work unless the supply voltage has been below VPOT (falling)