Rainbow Electronics ATmega128L - Manual (Page 225)

225
ATmega128(L)
2467B–09/01
Figure 109. ADC Timing Diagram, First Conversion (Single Conversion Mode)
Figure 110. ADC Timing Diagram, Single Conversion
Figure 111. ADC Timing Diagram, Free Running Conversion
Sign and MSB of result
LSB of result
ADC clock
ADSC
Sample & hold
ADIF
ADCH
ADCL
Cycle number
ADEN
1 2 12 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 1 2
One Conversion Next Conversion
3
Sample & hold
MUX and REFS
update
Conversion
complete MUX and REFS
update
11 12 13
Sign and MSB of result
LSB of result
ADC clock
ADSC
ADIF
ADCH
ADCL
Cycle number
1 2
One Conversion Next Conversion
3 4
Conversion
complete
Sample & hold
MUX and REFS
update