LQFP-144(20x20) · 144P预览实物照片3D CADPinoutFootprint尺寸STM32F103ZET6-HXZHHXDZ·LQFP-144(20x20)READY144P20.0×20.0×1.40mmP=0.5mm2.0 V ~ 3.6 V嵌入式微控制器芯片 (MCU)