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STM32L162VDY6XDTR Datasheet(PDF) 86 Page - STMicroelectronics |
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STM32L162VDY6XDTR Datasheet(HTML) 86 Page - STMicroelectronics |
86 / 115 page Electrical characteristics STM32L162VD-X 86/115 DocID027268 Rev 3 Figure 14. 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 44) Unless otherwise specified, the parameters given in Table 44 are derived from tests performed under the conditions summarized in Table 12. Table 44. 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 30 45 60 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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