49.16 FRC AC Electrical Specifications
| AC Characteristics | Standard Operating Conditions: VDD33 = VDDIO = AVDD
= 1.9–3.6V (Unless Otherwise Stated) Operating Temperature: -40°C ≤ TA ≤ +125°C for Extended Temperature | ||||||
|---|---|---|---|---|---|---|---|
| Parameter Number | Symbol | Characteristics | Min. | Typ. | Max. | Units | Conditions |
| FRC1 | FINTFREQ | Internal FRC Frequency | — | 8 | — | MHz | — |
| FRC3 | TSUFRC | Start-up time of internal FRC | — | 12 | 15 | µs | — |
| FRC5 | FACCU | FRC Accuracy | — | ±0.9 | — | % | — |
| FRC7 | DUTY_CYCLE | FRC Duty Cycle | — | 50 | — | % | — |
| FRC9 | C_USE | FRC User Tune | -1.5 | — | 1.453 | % | Maximum Frequency drift possible by using the Frequency trim bits (OSCTRIM register) |
| FRC11 | C_USER_STEP_SIZE | FRC User Tune Step size | — | 0.047 | — | % | Change in frequency with incremental trim bit (OSCTRIM register) |