PTA01PTA12PTA23PTA164PTA175PTA186PTA197PSWITCH8DCDC_CFG9VDCDC_IN10DCDC_LP11DCDC_LN12DCDC_GND13VDD_1P8OUT14VDD_1P5OUT_PMCIN15PTB016PTB117PTB218PTB319VDD_020PTB1621PTB1722PTB1823ADC0_DP024ADC0_DM025VSSA26VREFH/VREF_OUT27VDDA28XTAL_OUT29EXTAL30XTAL31VDD_RF332ANT33GANT34VDD_RF235VDD_RF136PTC137PTC238PTC339PTC440PTC541PTC642PTC743VDD_144PTC1645PTC1746PTC1847PTC1948GND49