33.5.1 Calibrated Internal RC Oscillator Accuracy

Table 33-4. Calibration Accuracy of Internal RC Oscillator
FrequencyVCC TemperatureCalibration Accuracy
Factory
 Calibration8.0 MHz2.7V - 4.2V0°C to +50°C±2%
8.0 MHz1.8V - 5.5V0°C to +70°C±3.5%
8.0 MHz1.8V - 5.5V-40°C to +105°C±5%
User
 Calibration7.3 - 8.1 MHz1.8V - 5.5V-40°C to - 85°C±1%
Note:
  1. Accuracy of oscillator frequency at calibration point, fixed temperature and fixed voltage.