PTC191PTA02PTA13PTA24PSWITCH5DCDC_CFG6VDCDC_IN7DCDC_LP8DCDC_GND9DCDC_LN10VDD_1P8OUT11DCDC_LN12VDD_1P5OUT_PMCIN13PTB014PTB115PTB216PTB317VDD_018PTB1619PTB1720PTB1821VREFL/VSSA22VREFH/VREF_OUT23VDDA24XTAL_OUT25EXTAL26XTAL27VDD_RF328ANT29GANT30VDD_RF231VDD_RF132PTC133PTC234PTC335PTC436VDD_137PTC1638PTC1739PTC1840EP41