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关于TM4c123gH6pm 的 SysCtlClockGet() 获得的数值怎么计算的 我时钟频率为80Mhz

user5316406
Intellectual 330 points


SysCtlClockSet(SYSCTL_SYSDIV_2_5 | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN | SYSCTL_XTAL_16MHZ);
TheSysClock = SysCtlClockGet();

 TheSysClock=80000000MHz吗？？

我定时器 TimerLoadSet(TIMER3_BASE, TIMER_A, (TheSysClock-1)/500);  最后得到的定时是20ms吗？