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STM32G030C8 датащи(PDF) 65 Page - STMicroelectronics

номер детали STM32G030C8
подробное описание детали  Arm® Cortex®-M0 32-bit MCU, up to 64 KB Flash, 8 KB RAM, 2x USART, timers, ADC, comm. I/Fs, 2.0-3.6V
PDF  94 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32G030C8 датащи(HTML) 65 Page - STMicroelectronics

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DS12991 Rev 4
65/94
STM32G030x6/x8
Electrical characteristics
79
Figure 18. I/O AC characteristics definition(1)
1. Refer to Table 51: I/O AC characteristics.
5.3.15
NRST input characteristics
The NRST input driver uses CMOS technology. It is connected to a permanent
pull-up resistor, RPU.
Unless otherwise specified, the parameters given in the following table are derived from
tests performed under the ambient temperature and supply voltage conditions summarized
in Table 21: General operating conditions.
MS32132V2
T
10%
50%
90%
10%
50%
90%
Maximum frequency is achieved if (t + t (≤ 2/3)T and if the duty cycle is (45-55%)
when loaded by the specified capacitance.
r
f
r(IO)out
t
f(IO)out
t
Table 52. NRST pin characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIL(NRST)
NRST input low level
voltage
-
-
-
0.3 x VDDIO1
V
VIH(NRST)
NRST input high level
voltage
-
0.7 x VDDIO1
--
Vhys(NRST)
NRST Schmitt trigger
voltage hysteresis
--
200
-
mV
RPU
Weak pull-up
equivalent resistor(2)
VIN = VSS
25
40
55
kΩ
VF(NRST)
NRST input filtered
pulse
--
-
70
ns
VNF(NRST)
NRST input not filtered
pulse
2.0 V ≤ VDD ≤ 3.6 V
350
-
-
ns
1.
Guaranteed by design.
2. The pull-up is designed with a true resistance in series with a switchable PMOS. This PMOS contribution to the series
resistance is minimal (~10% order)
.



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