Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet

Product codes
ATSAM4L-EK
Page of 1204
1152
42023E–SAM–07/2013
ATSAM4L8/L4/L2
42.9.2
Power-on Reset 33 Characteristics
Figure 42-4. POR33 Operating Principle
42.9.3
Brown Out Detectors Characteristics
Table 42-41. 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 42-42. 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
°C
3
40
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