Datasheet

Electrical characteristics STM32L476xx
176/270 DS10198 Rev 8
Figure 31. Recommended NRST pin protection
1. The reset network protects the device against parasitic resets.
2. The user must ensure that the level on the NRST pin can go below the V
IL(NRST)
max level specified in
Table 73: NRST pin characteristics. Otherwise the reset will not be taken into account by the device.
3. The external capacitor on NRST must be placed as close as possible to the device.
6.3.16 Extended interrupt and event controller input (EXTI) characteristics
The pulse on the interrupt input must have a minimal length in order to guarantee that it is
detected by the event controller.
6.3.17 Analog switches booster
MS19878V3
R
PU
V
DD
Internal reset
External
reset circuit
(1)
NRST
(2)
Filter
0.1 μF
Table 74. EXTI input characteristics
(1)
1. Guaranteed by design.
Symbol Parameter Conditions Min Typ Max Unit
PLEC
Pulse length to event
controller
-20--ns
Table 75. Analog switches booster characteristics
(1)
1. Guaranteed by design.
Symbol Parameter Min Typ Max Unit
V
DD
Supply voltage 1.62 - 3.6 V
t
SU(BOOST)
Booster startup time - - 240 µs
I
DD(BOOST)
Booster consumption for
1.62 V
 V
DD
 2.0 V
--250
µA
Booster consumption for
2.0 V
 V
DD
 2.7 V
--500
Booster consumption for
2.7 V
 V
DD
 3.6 V
--900
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