3.1.30 ATSENSE ADC Control Register 0
This register is a consolidation of ADC control bits for the ATSense AFE, channels: I0, I1, V1 and I2.
| Name: | ATSENSE_CTRL_20_23 |
| Property: | Read-Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| I2_GAIN[1:0] | I2_ON | ||||||||
| Access | R/W | R/W | R/W | ||||||
| Reset | 0 | 0 | 0 | ||||||
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| V1_ON | |||||||||
| Access | R/W | ||||||||
| Reset | 0 |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| I1_GAIN[1:0] | I1_ON | ||||||||
| Access | R/W | R/W | R/W | ||||||
| Reset | 0 | 0 | 0 | ||||||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| I0_GAIN[1:0] | TEMPMEAS | I0_ON | |||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 0 | 0 | 0 | 0 | |||||
Bits 29:28 – I2_GAIN[1:0] Channel I2 Gain
See ATSense register SDI2, offset 0x23
| Value | Description |
|---|---|
| 0x0 | Channel has a gain of 1 |
| 0x1 | Channel has a gain of 2 |
| 0x2 | Channel has a gain of 4 |
| 0x3 | Channel has a gain of 8 |
Bit 24 – I2_ON Enable Channel I2
See ATSense register SDI2, offset 0x23
| Value | Description |
|---|---|
| 0x0 | Channel is disabled |
| 0x1 | Channel is enabled |
Bit 16 – V1_ON Enable Channel V1
See ATSense register SDV1, offset 0x22
| Value | Description |
|---|---|
| 0x0 | Channel is disabled |
| 0x1 | Channel is enabled |
Bits 13:12 – I1_GAIN[1:0] Channel I1 Gain
See ATSense register SDI1, offset 0x21
| Value | Description |
|---|---|
| 0x0 | Channel has gain of 1 |
| 0x1 | Channel has gain of 2 |
| 0x2 | Channel has gain of 4 |
| 0x3 | Channel has gain of 8 |
Bit 8 – I1_ON Enable Channel I1
See ATSense register SDI1, offset 0x21
| Value | Description |
|---|---|
| 0x0 | Channel is disabled |
| 0x1 | Channel is enabled |
Bits 5:4 – I0_GAIN[1:0] Channel I0 Gain
See ATSense register SDI0, offset 0x20
| Value | Description |
|---|---|
| 0x0 | Channel has a gain of 1 |
| 0x1 | Channel has a gain of 2 |
| 0x2 | Channel has a gain of 4 |
| 0x3 | Channel has a gain of 8 |
Bit 1 – TEMPMEAS Channel I0/Temperature Multiplex Select Bit
See ATSense register SDI0, offset 0x20.
Note: This bit is automatically controlled by the metrology
DSP for proper multiplexing between I0 and internal temperature
measurement.
| Value | Name | Description |
|---|---|---|
| 0x0 | CURRENT_I0 | Measurement of external current I0 |
| 0x1 | TEMP | Measurement of internal temperature sensor |
Bit 0 – I0_ON Enable Channel I0
See ATSense register SDI0, offset 0x20
| Value | Description |
|---|---|
| 0x0 | Channel is disabled |
| 0x1 | Channel is enabled |
