Control B
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
REFSEL[1:0] | DITHER | VPD | LEFTADJ | IOEN | EOEN | ||||
Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | ||
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Reference Selection
This bit field selects the Reference Voltage for the DAC.
Value | Name | Description |
---|---|---|
0x0 | INTREF | Internal voltage reference |
0x1 | VDDANA | Analog voltage supply |
0x2 | VREFA | External reference |
0x3 | Reserved |
Dithering Mode
This bit controls dithering operation according to Dithering mode.
Value | Description |
---|---|
0 | Dithering mode is disabled. |
1 | Dithering mode is enabled. |
Voltage Pump Disabled
This bit controls the behavior of the voltage pump.
Value | Description |
---|---|
0 | Voltage pump is turned on/off automatically |
1 | Voltage pump is disabled. |
Left-Adjusted Data
This bit controls how the 10-bit conversion data is adjusted in the Data and Data Buffer registers.
Value | Description |
---|---|
0 | DATA and DATABUF registers are right-adjusted. |
1 | DATA and DATABUF registers are left-adjusted. |
Internal Output Enable
Value | Description |
---|---|
0 | Internal DAC output not enabled. |
1 | Internal DAC output enabled to be used by the AC or ADC. |
External Output Enable
Value | Description |
---|---|
0 | The DAC output is turned off. |
1 | The high-drive output buffer drives the DAC output to the VOUT pin. |