MDT10P257 Datasheet, PDF (18/18 Pages) Micon Design Technology Corporation – 8-bit micro-controlle

14. External Capacitor Selection For Crystal Oscillator
MDT10P257
@ V_dd＝3.0 V~ 5.0 V
Osc. Type
Resonator Freq.
10 MHz
XT
4 MHz
1 MHz
1 MHz
LF
455 K
32 K
C1
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 ~50 pF
20 pF ~100 pF
20 pF ~50 pF
3 pF ~5 pF
20 pF ~50 pF
15 pF ~30 pF
XT Oscillator Mode
LF Oscillator Mode
MDT10P257
OSC1
OSC2
Ext-R Oscillator Mode
MDT10P257
OSC1
OSC2
RC Oscillator Mode
MDT10P257
OSC1 OSC2
C1
C2
Fosc/4
The above values of the external capacitor are listed for reference but the higher capacitance
will increases the start-up time.
This specification are subject to be changed without notice. Any latest information please visit our web site
(http;//www.mdtic.com.tw) for detail
P. 18
2011/02 VER 1.1