Manualshelf

Data Sheet

ManualsBrandsFlytech ManualsElectronicsModule 802.11 a/b/g/n/ac+Bluetooth 4.2
11121314151617181920
AP6255
16
7. External clock reference
External LPO signal characteristics
Parameter Specification Units
Nominal input frequency 32.768 kHz
Frequency accuracy +/-30 ppm
Duty cycle 30 - 70 %
Input signal amplitude 400 to 3300 mV, p-p
Signal type Square-wave or sine-wave -
Input impedance
>100k
<5

pF
Clock jitter (integrated over 300Hz – 15KHz) <1 Hz
Output high voltage 0.7Vio - Vio V
Input signal amplitude follow VDDIO (1.8V or 3.3V)