8-bit AVR Microcontroller

22.5 System and Reset Characteristics

Table 22-4. Reset, VLM, and Internal Voltage Characteristics
Symbol	Parameter	Condition	Min⁽¹⁾	Typ⁽¹⁾	Max⁽¹⁾	Units
V_RST	RESET Pin Threshold Voltage		0.2 V_CC		0.9V_CC	V
V_BG	Internal bandgap voltage	V_CC = 1.8V to 5.5V	1.0	1.1	1.2	V
t_RST	Minimum pulse width on RESET Pin	V_CC = 1.8V		2100		ns
		V_CC = 3V		700		ns
		V_CC = 5V		400		ns
t_TOUT	Time-out after reset			64	128	ms

Note:

Values are guidelines, only

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