http://124.222.62.86/yd-data/YD-STM32H7B0VBT6/STM32H7B0VBT6-SIZE-I.pdf
http://124.222.62.86/yd-data/YD-STM32H7B0VBT6/STM32H7B0VBT6-SIZE-M.pdf
http://124.222.62.86/yd-data/YD-STM32H7B0VBT6/STM32H7XXVXX-SCH.pdf