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STM32L15XCC bảng dữ liệu(PDF) 88 Page - STMicroelectronics

tên linh kiện STM32L15XCC
Giải thích chi tiết về linh kiện  Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 256KB Flash, 32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC
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STM32L15XCC bảng dữ liệu(HTML) 88 Page - STMicroelectronics

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Electrical characteristics
STM32L151xC STM32L152xC
88/136
DocID022799 Rev 13
Figure 19. 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 (see Table 46)
Unless otherwise specified, the parameters given in Table 46 are derived from tests
performed under the conditions summarized in Table 14.
Table 46. NRST pin characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIL(NRST)(1)
NRST input low level
voltage
--
-
0.3 VDD
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)(3)
NRST input not
filtered pulse
-
350
-
-
ns
1. Guaranteed by design.
2. With a minimum of 200 mV.
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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