ATmega88PA Automotive Atmel Corporation, ATmega88PA Automotive Datasheet - Page 253

• Manufacturer Part Number: ATmega88PA Automotive
• Manufacturer: Atmel Corporation

Figure 24-6. ADC Timing Diagram, Auto Triggered Conversion
9223B–AVR–09/11
Cycle Number
ADC Clock
Trigger
Source
ADATE
ADIF
ADCH
ADCL
Prescaler
Reset
MUX and REFS
Update
Figure 24-7. ADC Timing Diagram, Free Running Conversion
Table 24-1.
Condition
First conversion
Normal conversions, single ended
Auto Triggered conversions
1
Atmel ATmega48PA/88PA/168PA [Preliminary]
2
3
ADC Conversion Time
Sample &
Hold
4
Cycle Number
ADC Clock
ADSC
ADIF
ADCH
ADCL
5
Conversion
Complete
6
One Conversion
11
7
One Conversion
(Cycles from Start of Conversion)
12
8
9
13
Sample & Hold
10
Conversion
Next Conversion
1
13.5
Complete
Sign and MSB of Result
LSB of Result
1.5
2
11
2
MUX and REFS
Update
12
3
13
Sample & Hold
4
Sign and MSB of Result
LSB of Result
Conversion Time
Next Conversion
(Cycles)
1
Prescaler
Reset
13.5
25
13
2
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