PA31PA22PA13PA04PA75PA66PA47PA58RF9GND10XTALO_24M11XTALI_24M12MIC_BIAS13MIC_IN14VMID15AOUT_P16AOUT_N17RSTP18VCHG19VBAT20BSW21BFB22LDO_OUT23XTALI_32K24XTALO_32K25PD726PD627PD528PD429PC730PC631PC532N/A33PC334PC235PC136PC037PD338PD239PD140PD041PB442PB643PB744PB545PB146PB247PB348PAD49