PA131PA142VDD3VBAT4PC135VREF+6VDDA7PA158PB159VFBSMPS10VDDMPS11GND12VLXSMPS13PB314PB415PB516PB6/UART1_TX17PB7/UART1_RX18PB819PB920PC021PC122PC223PC324PC425PC526PC627GND28PA2/UART2_TX29PA3/UART2_RX30PA431PA532PA633PA734GND35GND36RF_OUT37GND38GND39NC40NC41NC42BOOT043NRST44NC45GND46GND47PB1148PB1049PA950PA851GND52VDDPA53VDDRF54VDD55GND56PB157PB258PB1259PB1360PB1461PA1062PA1163PA1264GND65GND66GND67GND68GND69GND70GND71GND72GND73