3. Analog power supply voltage and A/D converter operating range
2.0
250
200
0.5
0.2
1.8
3.0
4.5
1.8
3.0
4.5
5.5
5.5
AVCC (V)
AVCC (V)
• Active (high-speed) mode
• Sleep (high-speed) mode
• Active (medium-speed) mode
• Sleep (medium-speed) mode
• Internal power supply step-down circuit
not used
• Internal power supply step-down circuit
not used
1.0
0.5
0.2
1.8
3.0
4.5
5.5
AVCC (V)
• Active (high-speed) mode
• Sleep (high-speed) mode
• Internal power supply step-down circuit used
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