The　Internet　of　Things　IoT)　is　becoming　increasingly　important　for　traffic　monitoring,　medical　treatment　and　other　industrial　applications.　With　the　continuous　development　of　the　IoT,　more　and　more　＂things＂　will　be　able　to　access　to　the　IoT.　Considering　a　large　number　of　heterogeneous　＂　things＂,　how　to　provide　a　unified　access　mechanism　to　the　IoT　is　a　fundamental　and　key　issue.　In　this　paper,　we　propose　a　novel　IoT　access　architecture　based　on　field　programmable　gate　array　FPGA)　and　system　on　chip　SoC),　which　can　provide　a　unified　access　to　the　IoT　for　a　wide　variety　of　low-speed　and　high-speed　devices　with　associated　extendibility　and　configurability.　We　have　adopted　IEEE1451.2　standard　for　this　design　and　applied　the　proposed　design　to　vehicle　monitoring　system.　The　results　indicate　that　the　system　can　provide　good　performance　in　practical　application.