MDT10P10(BG)

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P. 16

2006/4

VER1.1

13. Internal Capacitor Selection For Crystal Oscillator

Osc. Type

Resonator Freq.

C1

C2

20 MHz

0 pF ~10 pF

0 pF ~20 pF

HF

10 MHz

0 pF ~50 pF

0 pF ~100 pF

4 MHz

0 pF ~30 pF

0 pF ~100 pF

10 MHz

0 pF ~30 pF

0 pF ~50 pF

XT

4 MHz

0 pF ~50 pF

0 pF ~100 pF

1 MHz

0 pF ~30 pF

0 pF ~50 pF

1 MHz

5 pF ~10 pF

5 pF ~10 pF

LF

455 K

10 pF ~50 pF

10 pF ~50 pF

32 K

10 pF ~30 pF

20 pF ~50 pF

To increase the stability of oscillator and the ability of anti-noise, the above values of the external capacitor range

can be recommended for reference, but the higher capacitance also increases the start-up time.