ZHCSFY3B November 2016 – February 2019 TAS2559
PRODUCTION DATA.
This register controls the SAR ADC repeat interval, readback register halt, mode, and power state.
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| Reserved | SAR_RPT[2:0] | SAR_RBH | SAR_MODE[1:0] | SAR_PWR | |||
| RW-0h | RW-3h | RW-0h | RW-1h | RW-0h | |||
| LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 7 | Reserved | RW | 0h | Reserved |
| 6-4 | SAR_RPT[2:0] | RW | 3h | The SAR ADC repeat interval is
0 = 0 us 1 = 50 us 2 = 250 us 3 = 1 ms 4 = 5 ms 5 = 25 ms 6 = 100 ms 7 = 1 s |
| 3 | SAR_RBH | RW | 0h | Updates to SAR readback registers halt. The readback registers should be halted while read to avoid data corruptions issues from new SAR conversions.
0 = SAR updates readback registers 1 = SAR updates halted |
| 2-1 | SAR_MODE[1:0] | RW | 1h | Configures the SAR ADC mode of operation
0 = One-shot mode 1 = Repeated scan mode 2 = DSP triggered mode 3 = Reserved |
| 0 | SAR_PWR | RW | 0h | SAR ADC is
0 = Powered-down 1 = Powered-up |