NuMaker-M2351SFSep. 24, 2019 Page 5 of 35 Rev 1.00NUMAKER-M2351SF USER MANUALM -m UList of TablesTable 2-1 Arduino UNO Extension Connectors and M2351SFSIAAP Mapping GPIO List ........... 11Table 2-2 M2351SFSIAAP Full-pin Extension Connectors and GPIO Function List ..................... 14Table 2-3 Vin Power Source .......................................................................................................... 15Table 2-4 5V Power Sources ......................................................................................................... 15Table 2-5 3.3 V Power Sources ..................................................................................................... 15Table 2-6 1.8V Power Sources ...................................................................................................... 16Table 2-7 Power Connectors ......................................................................................................... 16Table 2-8 USB Connectors ............................................................................................................ 16Table 2-9 Power Switches ............................................................................................................. 16Table 2-10 Supply External Power through Nu-Link2-Me ............................................................. 17Table 2-11 Supply External Power for M2351SF platform ............................................................ 19Table 2-12 External Reference Voltage Connector ....................................................................... 20Table 2-13 Ammeter Connector ..................................................................................................... 20Table 2-14 Extension Connectors .................................................................................................. 20Table 2-15 Push-Buttons ............................................................................................................... 21Table 2-16 LEDs ............................................................................................................................ 21Table 2-17 VCOM Function of Nu-Link2-Me .................................................................................. 21