Other Parts Discussed in Thread: LAUNCHXL-F280049C
通过内部配置,MCU系统时钟都nneg运行在100M
10M晶振时,// PLLSYSCLK = 10MHz (XTAL_OSC) * 10 (IMULT) * 1 (FMULT) / 1 (PLLCLK_BY_1)
20M晶振时,// PLLSYSCLK = 10MHz (XTAL_OSC) * 10 (IMULT) * 1 (FMULT) / 2 (PLLCLK_BY_2)
请问,外接20M晶振和10M晶振有区别吗?