http://124.222.62.86/yd-data/YD-CH32V307VCT6/YD-CH32V307VCT6-MINI/CH32V307VCMINI-I-SIZE.pdf
http://124.222.62.86/yd-data/YD-CH32V307VCT6/YD-CH32V307VCT6-MINI/CH32V307VCMINI-M-SIZE.pdf
http://124.222.62.86/yd-data/YD-CH32V307VCT6/YD-CH32V307VCT6-MINI/CH32V307VCT6-MINI-SCH.pdf