57.16 RCOSC Electrical Specifications

Table 57-18. Internal 4/8/12 MHz RC Oscillator Electrical Specifications (1)
AC CHARACTERISTICSStandard Operating Conditions: VDDIO = VDDIN 2.5V to 3.6V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
RCOSC_1RCOSC_AccOutput Frequency 4 MHz-1.2—0.8%CKGR_MOR.MOSCRCF[2:0] = 0 (1)
Output Frequency 8 MHz-1.2—0.8%CKGR_MOR.MOSCRCF[2:0] = 1 (1)
Output Frequency 12 MHz-1.6—0.8%CKGR_MOR.MOSCRCF[2:0] = 2 (1)
RCOSC_2RCOSC_TempDriftTemperature Drift—0.070.12%/°C—
RCOSC_3RCOSC_TstartStartup Time——20µs—
Note:
  1. After trimming at 25°C and VDDCORE = 1.2V.