Datasheet

1105
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
Note: 1. The product is guaranteed to be functional at V
TH-
Figure 44-1. Core Brownout Output Waveform
Table 44-5. Core Power Supply Brownout Detector Characteristics
Symbol Parameter Conditions Min Typ Max Units
V
TH-
Supply Falling Threshold
(1)
0.98 1.0 1.04 V
V
HYST
Hysteresis — — 110 mV
V
TH+
Supply Rising Threshold 0.8 1.0 1.08 V
I
DDON
I
DDOFF
Current Consumption on
VDDCORE
Brownout Detector enabled
Brownout Detector disabled
——
24
2
µA
uA
I
DD33ON
I
DD33OFF
Current Consumption on
VDDIO
Brownout Detector enabled
Brownout Detector disabled
——
24
2
µA
uA
t
d-
V
TH-
Detection Propagation
Time
VDDCORE = V
TH+
to (V
TH-
- 100mV) — 200 300 ns
t
START
Startup Time From disabled state to enabled state — — 300 µs
t
VDDCORE
Vth-
Vth+
BOD OUTPUT
t
td+td-
Table 44-6. VDDIO Supply Monitor
Symbol Parameter Conditions Min Typ Max Units
V
TH
Supply Monitor Threshold 16 selectable steps 1.6 — 3.4 V
T
ACCURACY
Threshold Level Accuracy
[-40/+105°C]
-2.5 — +2.5 %
V
HYST
Hysteresis — 20 30 mV
I
DDON
I
DDOFF
Current Consumption
Enabled
Disabled
—
23
0.02
40
2
µA
t
START
Startup Time From disabled state to enabled state — — 300 µs