
81
ATtiny26(L)
1477B–AVR–04/02
Figure 49. ADC Timing Diagram, Single Conversion
Figure 50. ADC Timing Diagram, Free Running Conversion
Table 34. ADC Conversion Time
Condition
Sample & Hold (Cycles from
Start of Conversion)
Conversion
Time (Cycles)
Conversion
Time (µs)
Extended conversion 13.5 25 125 - 500
Normal conversions 1.5 13 65 - 260
1 2 3 4 5 6 7 8 9 10 11 12 13
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
11 12 13
MSB of Result
LSB of Result
ADC Clock
ADSC
ADIF
ADCH
ADCL
Cycle Number
12
One Conversion Next Conversion
34
Conversion
Complete
Sample & Hold
MUX and REFS
Update
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