SystemClock_Config() function

System Clock Configuration The system Clock is configured as follow : System Clock source = PLL (HSE) SYSCLK(Hz) = 144000000 HCLK(Hz) = 144000000 AHB Prescaler = 1 APB1 Prescaler = 4 APB2 Prescaler = 2 HSE Frequency(Hz) = 25000000 PLL_M = 25 PLL_N = 288 PLL_P = 2 PLL_Q = 6 VDD(V) = 3.3 Main regulator output voltage = Scale2 mode Flash Latency(WS) = 4