SAM4L Datasheet, PDF (1135/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
42.8.2 Power-on Reset 33 Characteristics
Table 42-38. POR33 Characteristics ⁽¹⁾
Symbol
Parameter
Conditions
Min
Typ
Max
V_POT+
Voltage threshold on V_VDDIN rising
1.25
V_POT-
Voltage threshold on V_VDDIN falling
0.95
1.
These values are based on characterization. These values are not covered by test limits in production.
1.55
1.30
Units
V
Figure 42-4. POR33 Operating Principle
V_POT+
V_POT-
Time
42.8.3 Brown Out Detectors Characteristics
Table 42-39. BOD18 Characteristics ⁽¹⁾
Symbol
Parameter
V_HYST
Step size, between adjacent values
in BSCIF.BOD18LEVEL⁽¹⁾
BOD hysteresis⁽¹⁾
t_DET
Detection time⁽¹⁾
I_BOD
t_STARTUP
Current consumption⁽¹⁾
Startup time⁽¹⁾
Conditions
T = 25°C
Time with V_VDDCORE <
BOD18.LEVEL necessary to
generate a reset signal
on VDDIN
on VDDCORE
Min
3
1.2
Typ Max
10.1
40
7.4
14
7
4.5
Units
mV
µs
µA
µs
42023C–SAM–02/2013
1135