由锁相环(PLL)产生所需的2分频与4分频时钟8分频时钟 clk.qpf为可执行主程序 -By the phase-locked loop (PLL) have the necessary 2-and 4-frequency clock frequency of 8 minutes for Executable clk.qpf main clock

实现2M数据速率的GMSK调制，时钟频率20M，2分频后作为移位寄存器-2M data rate to achieve the GMSK modulation, the clock frequency of 20M, 2 minutes after a shift register frequency