| 摘要 |
a buffer processing unit for generating an acquirement request signal and a display request signal; a synchronization signal generating unit for providing a synchronization signal, and vertical and horizontal screen signals; a data transmission/reception controlling unit for inputting the acquirement request signal, the display request signal, and an output of the synchronization signal generating unit, and outputting a frame memory chip selecting signal for transmission/reception, a frame memory write signal for transmission, a frame memory write signal for reception, and an acquirement end signal, the data transmission/reception controlling unit being connected between the buffer processing unit and the synchronization signal generating unit; an address/data buffer for transmission operated by an input of an enable output signal of the data transmission/reception controlling unit; and an address/data buffer for reception operated by the input of the enable output signal of the data transmission/reception controlling unit.
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