PURPOSE: A circuit for interfacing data of PDP-TV(Plasma Display Panel-Television) is provided to supply an image data read at a frame memory to a panel driving circuit by sequentially reading so that the image data can be corresponded to an address electrode line of a PDP after storing the image data by one line. CONSTITUTION: A circuit for interfacing data of a PDP-TV(Plasma Display Panel -Television) includes a data selection portion(140-1), a first and second line memories(140-2,140-3), a data writing portion(140-4), a first switching portion(140-5), a data reading portion(140-6) and a second switching portion(140-7). The PDP-TV includes two frame memories(130-4,130-5), each storing a digitalized image data by one frame and an address driving IC(Integrated Circuit) portion(150-1,150-2) for driving an address electrode line of the PDP by receiving the image data stored in the two frame memories. The data selection portion selects to supply to a next stage the image data output from the frame memory operating as a reading mode out of the two frame memories. The first and second line memories store by one line the image data provided by the data selection portion, respectively. The data writing portion alternately writes the image data supplied from the data selection portion to the first and second line memories. The first switching portion places between the data writing portion and the first and second line memories and alternately connects the data writing portion with the first and second line memories. The data reading portion reads to supply to the address driving IC portion the image data stored in the first or second line memory as a data format required at the address driving IC portion. The second switching portion places between the first and second line memory and the data reading portion and selectively connects the data reading portion with the first and second line memories.
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