made by: kangkai data:2008.11.23 this one is used to test arm7 str71x. use a led to test GPIO. a---------P0.0 b---------P0.1 c---------P0.2 d---------P0.3 e---------P0.4 f---------P0.5 g---------P0.6 just run i

EFM8LB12F64E-B-QFN32控制AD9914的实测代码，参考为3.5G，输出频率步进为kHz可修改(Efm8lb12f64e-b-qfn32 controls the measured code of ad9914, the reference is 3.5G, and the output frequency step is kHz, which can be modified)