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STM32F318C8 bảng dữ liệu(PDF) 84 Page - STMicroelectronics

tên linh kiện STM32F318C8
Giải thích chi tiết về linh kiện  ARM-based Cortex-M4 32-bit MCUFPU, 64 KB Flash, 16 KB SRAM, ADC, DAC, 3 COMP, Op-Amp, 1.8 V
PDF  125 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F318C8 bảng dữ liệu(HTML) 84 Page - STMicroelectronics

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Electrical characteristics
STM32F318C8 STM32F318K8
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DocID026294 Rev 5
Figure 21. 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 51
. Otherwise the reset will not be taken into account by the device.
6.3.15
NPOR pin characteristics
The NPOR pin input driver uses the CMOS technology. It is connected to a permanent pull-
up resistor, Rpu (see Table 52) connected to VDDA supply.
Unless otherwise specified, the parameters given in Table 52 are derived from tests
performed under ambient temperature and VDDA supply voltage conditions summarized in
Table 20
.
Table 52. NPOR pin characteristics
Symbol(1)
Parameter
Conditions
Min
Typ
Max
Unit
VIL(NPOR)
NPOR Input low level
voltage
--
-
0.475 VDDA - 0.2
V
VIH(NPOR)
NPOR Input low level
voltage
-
0.5 VDDA +0.2
--
Vhys(NPOR)
NPOR Schmitt trigger
voltage hysteresis
-
-
100
-
mV
RPU
Weak pull-up equivalent
resistor(2)
VIN = VSS
25
40
55
k
1. Guaranteed by design, not tested in production.
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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