ECGIN16ECGIP17MODE_SEL32MOSI/SDA4IN011IN18IN212IN36VC010VC19VC213VC37CSN2GPIO031MISO5RLD19SCLK3VREF18LEDVSS29LEDVSS23DVSS33DVSS1AVSS15LED1120LED1021LED922LED724LED625LED226LED127LED028VDD3314IOVDD30