EFM8SB10F8G-A-QFN20 is the only component supported as listed in DG, you should check with vendor for compatible thing of EFM8SB10F2G-QFN20R.
EFM8SB10F8G-A-QFN20 is the only component supported as listed in DG, you should check with vendor for compatible thing of EFM8SB10F2G-QFN20R.