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Bit
Name
Reset
Access
Description
15:10
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
9:8
REFSEL
0x0
RW
Reference Selection
Select reference.
Value
0
1
2
Mode
1V25
2V5
VDD
Description
Internal 1.25 V bandgap reference
Internal 2.5 V bandgap reference
VDD reference
7
CH0PRESCRST
0
RW
Channel 0 Start Reset Prescaler
Select if prescaler is reset on channel 0 start.
Value
0
1
Description
Prescaler not reset on channel 0 start
Prescaler reset on channel 0 start
6
OUTENPRS
0
RW
PRS Controlled Output Enable
Enable PRS Control of DAC output enable.
Value
0
1
Description
DAC output enable always on
DAC output enable controlled by PRS signal selected for CH1.
5:4
OUTMODE
0x1
RW
Output Mode
Select output mode.
Value
0
1
2
3
Mode
DISABLE
PIN
ADC
PINADC
Description
DAC output to pin and ADC disabled
DAC output to pin enabled. DAC output to ADC disabled
DAC output to pin disabled. DAC output to ADC enabled
DAC output to pin and ADC enabled
3:2
CONVMODE
0x0
RW
Conversion Mode
Configure conversion mode.
Value
0
1
2
Mode
CONTINUOUS
SAMPLEHOLD
SAMPLEOFF
Description
DAC is set in continuous mode
DAC is set in sample/hold mode
DAC is set in sample/shut off mode
1
SINEMODE
0
RW
Sine Mode
Enable/disable sine mode.
Value
0
1
Description
Sine mode disabled. Sine reset to 0 degrees
Sine mode enabled
0
DIFF
0
RW
Differential Mode
Select single ended or differential mode.
Value
0
1
Description
Single ended output
Differential output
2011-04-12 - d0001_Rev1.10
372
www.energymicro.com
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