Datasheet

DRAFT
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
1382
Note: 1. The product is guaranteed to be functional at V
T-
Figure 45-1. Core Brownout Output Waveform
Table 45-4. Core Power Supply Brownout Detector Characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
T-
Supply Falling Threshold
(1)
1.52 1.55 1.58 V
V
hys-
Hysteresis V
T-
25 38 mV
V
T+
Supply Rising Threshold 1.35 1.50 1.59 V
t
RST
Reset Period 100 350 µs
V
hys+
Hysteresis V
T+
100 250 mV
I
DDON
Current Consumption on VDDCORE
Brownout Detector enabled 18 µA
I
DDOFF
Brownout Detector disabled 200 nA
t
d-
V
T-
detection propagation time VDDCORE = V
T+
to (V
T-
- 100mV) 200 ns
t
d+
V
T+
detection propagation time 100 200 350 µs
t
START
Startup Time From disabled state to enabled state 100 200 µs
t
VDDCORE
V
T-
V
T+
BOD OUTPUT
t
t
d+
t
d-
Table 45-5. VDDUTMI Supply Monitor
Symbol Parameter Conditions Min Typ Max Unit
V
T
Supply Monitor Threshold
16 selectable steps of 100mV
1.9 3.4 V
V
T(accuracy)
Threshold Level Accuracy -1.5 +1.5 %
V
hys
Hysteresis 20 30 mV
I
DDON
Current Consumption on VDDCORE
Enabled 18 28
µA
I
DDOFF
Disabled 1
t
START
Startup Time From disabled state to enabled state 140 µs