Rainbow-electronics ATR0630 Manual do Utilizador descarregar pdf (Página 28)

28

4920A–GPS–01/06

ATR0630 [Preliminary]

5.2 RTC Oscillator

Figure 5-5. Crystal Connection

XT_IN

XT_OUT

RTC

ATR0630 internal

32 kHz

Crystal

Oscillator

32.768 kHz clock

32.768 kHz

50 ppm

CC

C = 2 × C

load

, C

load

can be derived from the crystal datasheet

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