Constant esp_idf_sys::soc_cpu_clk_src_t_SOC_CPU_CLK_SRC_PLL

pub const soc_cpu_clk_src_t_SOC_CPU_CLK_SRC_PLL: soc_cpu_clk_src_t = 1;

< Select PLL_CLK as CPU_CLK source (PLL_CLK is the output of 40MHz crystal oscillator frequency multiplier, can be 480MHz or 320MHz)