Add QFN-28-1EP_4x4mm_P0.4mm_EP2.8x2.8mm
Package drawing from datasheet:
Link to datasheet: https://www.wch-ic.com/downloads/CH32V203DS0_PDF.html
Edited by R
Package drawing from datasheet:
Link to datasheet: https://www.wch-ic.com/downloads/CH32V203DS0_PDF.html