ATmega4808/4809

32.9 External Reset Characteristics

Table 32-12. External Reset Characteristics
Mode	Description	Condition	Min.	Typ.	Max.	Unit
V_{VIH_RST}	Input Voltage for RESET		0.7 × V_DD	-	V_DD + 0.2	V
V_{VIL_RST}	Input Low Voltage for RESET		-0.2	-	0.3 × V_DD	V
t_{MIN_RST}	Minimum pulse width on RESET pin		-	-	0.5⁽¹⁾	µs
R_{p_RST}	RESET pull-up resistor	V_Reset = 0V	20	35	50	kΩ

Note:

These parameters are for design guidance only and are not production tested.

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