MDT10P20BC Datasheet, PDF (16/16 Pages) Micon Design Technology Corporation – 8-bit micro-controller

MDT10P20(BC)
13. External Capacitor Selection For Crystal Oscillator
@ V_dd 3.0 V~ 5.0 V
Osc. Type
Resonator Freq.
20 MHz
HF
10 MHz
4 MHz
10 MHz
XT
4 MHz
1 MHz
1 MHz
LF
455 K
32 K
C1
5 pF ~10 pF
10 pF ~50 pF
10 pF ~50 pF
10 pF ~30 pF
10 pF ~50 pF
10 pF ~30 pF
3 pF ~5 pF
10 pF ~30 pF
10 pF ~20 pF
C2
10 pF~30 pF
20 pF ~100 pF
20 pF ~100 pF
10 pF ~50 pF
20 pF ~100 pF
20 pF ~50 pF
3 pF ~5 pF
20 pF ~50 pF
15 pF ~30 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.
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P. 15
2005/6 VER 1.3