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STM32WB10CCU5 データシート(PDF) 90 Page - STMicroelectronics

部品番号 STM32WB10CCU5
部品情報  Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5.2 radio solution
PDF  110 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WB10CCU5 データシート(HTML) 90 Page - STMicroelectronics

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Electrical characteristics
STM32WB10CC
90/110
DS13259 Rev 2
Figure 18. 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 64, 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.
Table 64. NRST pin characteristics(1)
1.
Specified by design, not tested in production.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIL(NRST)
NRST input
low level voltage
-
-
-
0.3 x VDD
V
VIH(NRST)
NRST input
high level voltage
-
0.7 x VDD
--
Vhys(NRST)
NRST Schmitt trigger
voltage hysteresis
--
200
-
mV
RPU
Weak pull-up
equivalent resistor(2)
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%)
.
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
-
-
MS19878V3
RPU
VDD
Internal reset
External
reset circuit
(1)
NRST
(2)
Filter
0.1 μF



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