SAM3X8C Atmel Corporation, SAM3X8C Datasheet - Page 1331

• Manufacturer Part Number: SAM3X8C
• Manufacturer: Atmel Corporation

Figure 43-2. Sequence of ADC conversions when Tracking time > Conversion time
Figure 43-3. Sequence of ADC conversions when Tracking time < Conversion time
43.6.2
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
from controller
from controller
to analog cell
to analog cell
Trigger event (Hard or Soft)
Commands
Trigger event (Hard or Soft)
Commands
Conversion Reference
ADC_Start
ADC_Start
ADCClock
ADCClock
ADC_SEL
ADC_SEL
ADC_ON
ADC_ON
DRDY
DRDY
LCDR
LCDR
The conversion is performed on a full range between 0V and the reference voltage pin ADVREF.
Analog inputs between these voltages convert to values based on a linear conversion.
(and tracking of CH0)
CH0
CH0
Start Up
Start Up
Tracking
of CH0
Time
Time
&
Transfer Period
Transfer Period
Conversion
Conversion
CH1
CH1
Tracking
of CH0
of CH1
of CH0
&
Tracking of CH1
CH0
CH0
Transfer Period
ADC_LCDR
Read the
Transfer Period
Conversion
CH2
Tracking
of CH1
of CH2
&
Conversion
CH1
CH2
Transfer Period
of CH1
Tracking of CH2
CH1
SAM3X/A
SAM3X/A
Conversion
CH3
Tracking
of CH2
of CH3
&
CH2
1331
1331