EFM8SB2 Datasheet, PDF (48/49 Pages) Silicon Laboratories – The EFM8SB2 highlighted features are listed below

9.2 QFP32 PCB Land Pattern . . . . . . . . . . . . . . . . . . . . . . . . . .44
9.3 QFP32 Package Marking . . . . . . . . . . . . . . . . . . . . . . . . . .45
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Table of Contents 47