STM8L052R8 datasheet(87/109 Pages) STMICROELECTRONICS

Part #	STM8L052R8

Description	Value Line, 8-bit ultralow power MCU, 64-KB Flash,256-byte data EEPROM, RTC, LCD, timers, USART, I2C, SPI, ADC

PDF	109 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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87 / 109 page

STM8L052R8

Electrical parameters

Doc ID023337 Rev 2

87/109

Figure 30.

Typical NRST pull-up resistance RPU vs. VDD

Figure 31.

Typical NRST pull-up current Ipu vs. VDD

The reset network shown in Figure 32 protects the device against parasitic resets. The user

must ensure that the level on the NRST pin can go below the VIL max. level specified in

Table 39. Otherwise the reset is not taken into account internally. For power consumption-

sensitive applications, the capacity of the external reset capacitor can be reduced to limit the

charge/discharge current. If the NRST signal is used to reset the external circuitry, the user

must pay attention to the charge/discharge time of the external capacitor to meet the reset

timing conditions of the external devices. The minimum recommended capacity is 10 nF.

1.8

2.2

2.4

2.6

2.8

3.2

3.4

3.6

VDD [V]

-40°C

25°C

85°C

ai18224V2

ai18225V2

100

120

1.8

1.95 2.1

2.25 2.4

2.55 2.7

2.85

3.15 3.3

3.45 3.6

VDD [V]

-40°C

25°C

85°C

STM8L052R8 Datasheet(PDF) 87 Page - STMicroelectronics

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