52.33 Frequency Meter (FREQM) Electrical Specifications

Table 52-47. Frequency Meter AC Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDDREG=VDDIO=AVDD 1.71V to 3.63V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
FM_1FMLOWGCLK_IOx Input Low TimeFMPERIOD/2——nsVDDIOx(min) and meet FM5 spec
FM_3FMHIGHGCLK_IOx Input High TimeFMPERIOD/2——ns
FM_5FMPERIODGCLK_IOx Input Period1000/FCLK_45——nsVDDIOx(min)
FM_7fGCLK_FREQM_REFFREQM Reference——FCLK_17MHz
FM_9fGCLK_FREQM_MSRFREQM Measure——FCLK_15MHz