This　paper　describes　the　hardware　design　of　a　high　speed　acquisition　system　based　on　a　single　DSP　of　ADI　Blackfin　Family.　In　order　to　realize　multi-functions　in　a　single　board,　CPLD　and　FPGA　chips　are　integrated　in　this　system.　This　study　discusses　several　main　problems　during　hardware　design　of　this　system,　such　as　sampling　of　multi-channel　analog　signals,　multi-channel　digital　signals　and　communication　with　host　board　by　extended　PCI　bus,　in　addition　talking　about　several　points　concerned　with　signal　integrity　issues.　The　main　aim　of　this　research　is　to　demonstrate　that　as　development　of　DSP　and　semiconductor　techniques,　a　more　complex　electric　system　can　be　realized　on　a　single　DSP.