Datasheet

130
42023ES–SAM–07/2013
ATSAM4L8/L4/L2
9.9.2 Power-on Reset 33 Characteristics
Figure 9-4. POR33 Operating Principle
9.9.3 Brown Out Detectors Characteristics
Table 9-41. POR33 Characteristics
(1)
1. These values are based on characterization. These values are not covered by test limits in production.
Symbol Parameter Conditions Min Typ Max Units
V
POT+
Voltage threshold on V
VDDIN
rising 1.25 1.55
V
V
POT-
Voltage threshold on V
VDDIN
falling 0.95 1.30
Reset
V
VDDIN
V
POT+
V
POT-
Time
Table 9-42. BOD18 Characteristics
(1)
Symbol Parameter Conditions Min Typ Max Units
Step size, between adjacent values
in BSCIF.BOD18LEVEL
(1)
10.1
mV
V
HYST
BOD hysteresis
(1)
T = 25°C340
t
DET
Detection time
(1)
Time with V
VDDCORE
<
BOD18.LEVEL necessary to
generate a reset signal
1.2 µs
I
BOD
Current consumption
(1)
on VDDIN 7.4 14
µA
on VDDCORE 7
t
STARTUP
Startup time
(1)
4.5 µs