39.27 Frequency Meter (FREQM) Electrical Specifications
| AC CHARACTERISTICS | Standard
Operating Conditions: VDD and VDDIO 2.7V to 5.5V (unless otherwise
stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial | ||||||
|---|---|---|---|---|---|---|---|
| Param. No. | Symbol | Characteristics | Min. | Typ. | Max. | Units | Conditions |
| FM_1 | FMLOW | GCLK_IOx Input Low Time | 1/(2*FCLK_45) | — | — | ns | VDDIO = 2.7V and meet FM5 specification |
| FM_3 | FMHIGH | GCLK_IOx Input High Time | 1/(2*FCLK_45) | — | — | ns | |
| FM_5 | FMPERIOD | GCLK_IOx Input Period | 1/FCLK_45 | — | — | ns | VDDIO = 2.7V |
| FM_7 | fGCLK_FREQM_REF | FREQM Reference | — | — | FCLK_17 | MHz | VDDIO = 2.7V See parameter FCLK_17 in Maximum Clock Frequency table |
| FM_9 | fGCLK_FREQM_MSR | FREQM Measure | — | — | FCLK_15 | MHz | VDDIO = 2.7V See parameter FCLK_15 in Maximum Clock Frequency table |