AX88196
Local CPU BUS MAC Controller
Appendix A: Application Note
A.1 Using Crystal 25MHz or 20MHz
AX88196
To PHY
CLKO
25MHz
XTALIN
25MHz
Crystal
XTALOUT
8pf
2Mohm
8pf
Note : The capacitors (8pf) 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 or 20MHz
AX88190A
To PHY
CLKO
20MHz
XTALIN
XTALOUT
NC
3.3V Power OSC 20MHz
A.3 Using 60MHz Oscillator/Crystal
AX88196 To PHY
CLKO
60MHz
Devided
/CLK_DIV3
Pull Low
By 3
20MHz
XTALOUT
NC
XTALIN
3.3V Power OSC 60MHz
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ASIX ELECTRONICS CORPORATION