Rainbow Electronics ATtiny15L - Manual (Page 45)

45
ATtiny15L
1187E–AVR–06/02
Figure 28. ADC Timing Diagram, Single Conversion
Figure 29. 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
Extended Conversion
Next
Conversion
3
MUX and REFS
Update MUX and REFS
Update Conversion
Complete
Table 18. ADC Conversion Time
Condition
Sample & Hold
(Cycles from Start of
Conversion)
Conversion
Time (Cycles)
Conversion
Time (µs)
Extended Conversion 13.5 25.0 125 - 500
Normal Conversions 1.5 13.0 65 - 260
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