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STM32L151C6U6 датащи(PDF) 86 Page - STMicroelectronics

номер детали STM32L151C6U6
подробное описание детали  Ultra-low-power 32-bit MCU ARM-based Cortex-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC
PDF  131 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32L151C6U6 датащи(HTML) 86 Page - STMicroelectronics

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Electrical characteristics
STM32L151x6/8/B, STM32L152x6/8/B
86/131
DocID17659 Rev 9
Figure 20. 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 VIL(NRST) max level specified in
Table 45. Otherwise the reset will not be taken into account by the device.
Table 45. NRST pin characteristics
Symbol
Parameter
Conditions
Min
Typ
Max Unit
VIL(NRST)(1)
1. Guaranteed by design, not tested in production.
NRST input low level voltage
-
-
-
0.8
V
VIH(NRST)(1) NRST input high level voltage
-
1.4
-
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)
2. 200 mV minimum value
mV
RPU
Weak pull-up equivalent
resistor(3)
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%.
VIN = VSS
30
45
60
k
Ω
VF(NRST)(1) NRST input filtered pulse
-
-
-
50
ns
VNF(NRST)(1) NRST input not filtered pulse
-
350
-
ns
ai17854
STM32Lxx
RPU
NRST(2)
VDD
Filter
Internal reset
0.1 μF
External
reset circuit(1)



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