c8051f020单片机使用外部晶振的初始化程序．-c8051f020 microcontroller initialization procedure using the external crystal.

c8051f020单片机使用外部晶振的初始化程序．-c8051f020 microcontroller initialization procedure using the external crystal.

此例程说明如何配置外部振荡器驱动22.1184Mhz晶体及如何选择此外部振荡器作为系统时钟 同时使能丢失时钟检测器复位功能。 假定22.1184Mhz晶体连接在XTAL1和XTAL2之间-This routine shows how to configure an external crystal oscillator drive 22.1184Mhz and how to this external oscillator as th