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STM32L011D4P7 Datasheet(PDF) 79 Page - STMicroelectronics

No. de pieza STM32L011D4P7
Descripción Electrónicos  Access line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0, up to 16KB Flash, 2KB SRAM, 512B EEPROM, ADC
PDF  119 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L011D4P7 Datasheet(HTML) 79 Page - STMicroelectronics

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DocID027973 Rev 5
79/119
STM32L011x3/4
Electrical characteristics
93
Figure 25. I/O AC characteristics definition
6.3.14
NRST pin characteristics
The NRST pin input driver uses CMOS technology. It is connected to a permanent pull-up
resistor, RPU , except when it is internally driven low (see Table 53).
Unless otherwise specified, the parameters given in Table 53 are derived from tests
performed under ambient temperature and VDD supply voltage conditions summarized in
Table 18.
Table 53. NRST pin characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIL(NRST)(1) NRST input low level voltage
-
-
-
0.3VDD
V
VIH(NRST)(1) NRST input high level voltage
-
0.39VDD+
0.59
--
VOL(NRST)(1) NRST output low level voltage
IOL = 2 mA
2.7 V < VDD < 3.6 V
--
0.4
IOL = 1.5 mA
1.65 V < VDD < 2.7 V
--
Vhys(NRST)(1)
NRST Schmitt trigger voltage
hysteresis
--
10%VDD(2)
-mV
RPU
Weak pull-up equivalent
resistor(3)
VIN = VSS
25
45
65
k
Ω
VF(NRST)(1)
NRST input filtered pulse
-
-
-
50
ns
VNF(NRST)(1) NRST input not filtered pulse
-
350
-
-
ns
1. Guaranteed by design, not tested in production.
2. 200 mV minimum value
3. The pull-up is designed with a true resistance in series with a switchable PMOS. This PMOS contribution to the series
resistance is around 10%.



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