SN8F2250B Series
USB 2.0 Full-Speed 8-Bit Micro-Controller
4.1.1.2 EXTERNAL CLOCK SIGNAL
Selecting external clock signal input to be the input clock source is by the “Ext_OSC” code option. The external clock
signal is input from XIN pin. XOUT pin is general purpose I/O pin.
External Clock Input
XIN
XOUT
MCU
VSS
VDD
VCC
GND
Note: The GND of external oscillator circuit must be as near as possible to VSS pin of micro-controller.
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