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STM8L15 Datasheet, PDF (90/122 Pages) STMicroelectronics – 8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
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Electrical parameters
STM8L151xx, STM8L152xx
NRST pin
Subject to general operating conditions for VDD and TA unless otherwise specified.
Table 40. NRST pin characteristics
Symbol
Parameter
Conditions
Min Typ (1)
VIL(NRST)
VIH(NRST)
VOL(NRST)
VHYST
NRST input low level voltage (1)
NRST input high level voltage (1)
NRST output low level voltage
NRST input hysteresis(3)
VSS
1.4
IOL = 2 mA
for 2.7 V ≤VDD ≤ 3.6 V
IOL = 1.5 mA
for VDD < 2.7 V
10%VDD
(2)
Max
0.8
VDD
0.4
RPU(NRST) NRST pull-up equivalent resistor
VF(NRST) NRST input filtered pulse (3)
VNF(NRST) NRST input not filtered pulse (3)
1. Data based on characterization results, not tested in production.
2. 200 mV min.
3. Data guaranteed by design, not tested in production.
30
45
60
50
300
Unit
V
mV
kΩ
ns
Figure 31. Typical NRST pull-up resistance RPU vs VDD

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Doc ID 15962 Rev 5
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