Atmel ATmega328 User Manual

256
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
In Free Running mode, a new conversion will be started immediately after the conversion com-
pletes, while ADSC remains high. For a summary of conversion times, see Table 24-1 on page
257.
Figure 24-4. ADC Timing Diagram, First Conversion (Single Conversion Mode)
Figure 24-5. ADC Timing Diagram, Single Conversion
Figure 24-6. ADC Timing Diagram, Auto Triggered Conversion
Sign and MSB of Result
LSB of Result
ADC Clock
ADSC
Sample & Hold
ADIF
ADCH
ADCL
Cycle Number
ADEN
1 212
13
14 15
16 17
18 19 20 21 22 23
24 25
1 2
First Conversion
Next
Conversion
3
MUX and REFS
Update
MUX and REFS
Update
Conversion
Complete
1
2 3 4 5 6 7 8
9 10 11 12 13
Sign and MSB of Result
LSB of Result
ADC Clock
ADSC
ADIF
ADCH
ADCL
Cycle Number
12
One Conversion Next Conversion
3
Sample & Hold
MUX and REFS
Update
Conversion
Complete
MUX and REFS
Update
1 2 3 4 5 6 7 8
9
10 11 12 13
Sign and MSB of Result
LSB of Result
ADC Clock
Trigger
Source
ADIF
ADCH
ADCL
Cycle Number
12
One Conversion Next Conversion
Conversion
Complete
Prescaler
Reset
ADATE
Prescaler
Reset
Sample &
Hold
MUX and REFS
Update

Atmel ATmega328 Specifications

General

Brand	Atmel
Model	ATmega328
Category	Microcontrollers
Language	English