EP49LIN/BSD48IO_VSS47STI46NC45VSS44NC43VDD42WU41NC40NC39NC38XTAL237XTAL136DGND35DGND34REG_DVDD33NC32GPIO_4/ECLK31GPIO_3/MOSI30GPIO_2/MISO29GPIO_1/SCLK28GPIO_0/IRQ0/SS#27NC26NC25REG_AVDD24NC23AGND22AGND21IIN–20IIN+19VTEMP18NC17NC16GND_SW15VREF14VBAT13TMS12NTRST11TDO10NC9DGND8TDI7TCK6GPIO_8/IRQ55GPIO_7/IRQ44GPIO_6/TxD3GPIO_5/IRQ1/RxD2RESET#1