介紹了Intel 公司的PXA255 處理器的特點及內部結構，并討論了在移動測試領域的具體應用，介紹了基于PXA255 的CCD 圖像的采集，壓縮編碼和傳輸的理論分析和可行性分析；并把本應用與現有的測試設備做了比較，實踐證明該設計可靠、可行,可應用于移動測試領域。
關鍵詞：PXA255，嵌入式系統，mpeg4，CPLD，CCD
Abstract: Introduced the characteristic and the interior configuration of PXA255 which is
produced by Intel company, And discussed the application of PXA255 in the field of mobile
testing, Also introduced the CCD image data acquisition on the basis of PXA255, and analysis of the compression, coding and transmission theoretically ,and the feasibility analysis .It also contains the comparison between this design and the testing device which is in existence ,and the design is reliable and feasible，and it can be used in the field of mobile testing.
Keywords: PXA255; embedded system; mpeg4; CPLD; CCD