ATA8742 ATMEL Corporation, ATA8742 Datasheet - Page 159

• Manufacturer Part Number: ATA8742
• Manufacturer: ATMEL Corporation

9151A–INDCO–07/09
Figure 25-6. ADC Timing Diagram, Auto Triggered Conversion
Figure 25-7. ADC Timing Diagram, Free Running Conversion
Table 25-1.
Condition
First conversion
Normal conversions
Auto Triggered conversions
Cycle Number
ADC Clock
Trigger
Source
ADATE
ADIF
ADCH
ADCL
Prescaler
Reset
ADC Conversion Time
MUX and REFS
Update
Cycle Number
ADC Clock
ADSC
ADIF
ADCH
ADCL
1
2
Conversion
Complete
3
Sample & Hold (Cycles from
Start of Conversion)
One Conversion
Sample &
Hold
11
4
12
5
6
13
14.5
1.5
2
7
One Conversion
Next Conversion
1
Sign and MSB of Result
LSB of Result
8
2
MUX and REFS
Update
9
3
10
Conversion
Complete
Sample & Hold
11
4
Conversion Time (Cycles)
12
13
Sign and MSB of Result
13.5
ATA8742
25
13
LSB of Result
Next Conversion
1
Prescaler
Reset
2
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