AX88790L Datasheet, PDF (49/60 Pages) ASIX Electronics Corporation – 10/100BASE 3-in-1 PCMCIA Fast Ethernet Controller

AX88790 L
3-in-1 PCMCIA Fast Ethernet Controller
Appendix A: Application Note 1
A.1 Using Crystal 25MHz
AX88790
CLKO25M
25MHz
XTALIN XTALOUT
25MHz
Crystal
33pf
33pf
Note: The capacitors (33pf) may be various depend on the specification of crystal. While designing,
please refer to the suggest circuit provided by crystal supplier.
A.2 Using Oscillator 25MHz
AX88790
CLKO25M
25MHz
XTALIN
XTALOUT
NC
3.3V Power OSC 25MHz
49
ASIX ELECTRONICS CORPORATION