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It is important of data acquisition and storage in the spatial object's exterior attitude measurement system. A data acquisition and storage system of linear CCD (Charge Couple Devices) based on CPLD (Complex Programmable Logic Devices) and DSP is designed. Take the TCD1708D which is selected by the exterior attitude measurement system as an example, the principle of linear CCD driver is analyzed. And it is introduced that the implementation method to acquire and store the data of linear CCD with CPLD and DSP. Experimental results indicate the system is high reliability, flexible and general.