14.8.24 FTN_CTRL
The FTN_CTRL register controls the operation of the filter tuning network calibration loop.
| Name: | FTN_CTRL |
| Offset: | 0x18 |
| Reset: | 0x58 |
| Property: | - |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| FTN_START | |||||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | |
| Reset | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
Bit 7 – FTN_START FTN_START
Manual start of a filter calibration cycle.
| Value | Description |
|---|---|
| 0x0 | Filter calibration is finished |
| 0x1 | Initiates filter calibration cycle |
FTN_START = 1 initiates the filter tuning network calibration. When the calibration cycle has finished after tFTN = 25μs (typ.). The register bit is cleared immediately after finishing the calibration.