... 1MBytes SRAM, 2Mbytes flash memory, voltage regulator, 2 channels DB-9 serial port connector, 1 USB ... 232) , 1 USB connector4 serial interface (2 internal + 2 URAT)Voltage regulatorInterface used in smart card slotSAM ... through spacing 0.254 standard single row pin header. Add LED nixie tube, U8 can ... square smart card slot through spacing 2.54mm single row pin header.SAM slot: evaluation kit offer ...