RESET#1GPIO_5/IRQ1/RxD2GPIO_6/TxD3GPIO_7/IRQ44GPIO_8/IRQ55TCK6TDI7DGND8NC9TDO10NTRST11TMS12VBAT13VREF14GND_SW15NC16NC17VTEMP18IIN+19IIN–20AGND21AGND22NC23REG_AVDD24NC25NC26GPIO_0/IRQ0/SS#27GPIO_1/SCLK28GPIO_2/MISO29GPIO_3/MOSI30GPIO_4/ECLK31NC32REG_DVDD33DGND34DGND35XTAL136XTAL237NC38NC39NC40WU41VDD42NC43VSS44NC45STI46IO_VSS47LIN/BSD48