ATMEGA169 ATMEL [ATMEL Corporation], ATMEGA169 Datasheet - Page 197

• Manufacturer Part Number: ATMEGA169
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

2514P–AVR–07/06
In Free Running mode, a new conversion will be started immediately after the conver-
sion completes, while ADSC remains high. For a summary of conversion times, see
Table 87.
Figure 86. ADC Timing Diagram, First Conversion (Single Conversion Mode)
Figure 87. ADC Timing Diagram, Single Conversion
Figure 88. ADC Timing Diagram, Auto Triggered Conversion
Cycle Number
ADC Clock
Trigger
Source
ADATE
ADIF
ADCH
ADCL
Cycle Number
ADC Clock
ADSC
ADIF
ADCH
ADCL
Cycle Number
ADC Clock
ADEN
ADSC
ADIF
ADCH
ADCL
Prescaler
Reset
1
1
2
MUX and REFS
Update
MUX and REFS
Update
1
2
MUX and REFS
Update
12
2
3
13
Sample & Hold
3
4
14
Sample &
Hold
4
5
15
5
6
Sample & Hold
16
6
First Conversion
17
7
One Conversion
18
7
8
One Conversion
19
8
9
20
9
10
Conversion
Complete
21
10
Conversion
11
22
Complete
Conversion
Complete
11
23
12
ATmega169/V
24
12
13
25
13
Sign and MSB of Result
Sign and MSB of Result
LSB of Result
Next Conversion
1
Sign and MSB of Result
Next
Conversion
1
LSB of Result
LSB of Result
2
2
MUX and REFS
Update
Next Conversion
MUX and REFS
Update
1
Prescaler
Reset
3
3
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