Resistor Control
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
REFBUFLEVEL[1:0] | POTMUX[2:0] | RES1MUX | RES1EN | RES2OUT | |||||
Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Reference output voltage level select
Reference output voltage level select.
Value | Reference Level |
---|---|
0x0 | 1.1v |
0x1 | 1.25v |
0x2 | 1.6v |
0x3 | Reserved |
Potentiometer selection
Resistor selection bits control a numeric potentiometer with eight fixed values.
Value | R1 | R2 |
---|---|---|
0x0 | 14R | 2R |
0x1 | 12R | 4R |
0x2 | 8R | 8R |
0x3 | 6R | 10R |
0x4 | 4R | 12R |
0x5 | 3R | 13R |
0x6 | 2R | 14R |
0x7 | 1R | 15R |
Resistor 1 Mux
These bits select the connection of R1 resistor of the potentiometer.
Value | Name | Description |
---|---|---|
0x0 | DAC | DACOUT |
0x1 | REFBUF | REFBUF |
Resistor 1 Enable
Value | Description |
---|---|
0 | R1 disconnected from RES1MUX. |
1 | R1 connected to RES1MUX. |
Resistor ladder To Output
Value | Description |
---|---|
0 | Swith open. |
1 | Switch closed. |