#! /usr/bin/env python PLL_M = 6 PLL_N = 360 PLL_Q = 15 PLL_P = 4 HSE_VALUE = 12000000 PLL_VCO = (HSE_VALUE / PLL_M) * PLL_N print ("PLL_VCO = %d"%PLL_VCO) print ("SYSCLK = %d"%(PLL_VCO / PLL_P)) print ("USB/SDIO/RNG =%d"%(PLL_VCO / PLL_Q))