| 摘要 |
<p>PURPOSE:To efficiently and easily transfer the picture data of R, G, and B read from a picture memory to a picture processing sub-processor. CONSTITUTION:In a period except a refresh period to picture memories 12, 14, and 16 for R, G, and B by a picture processing main processor 40, a picture transfer from the picture memories 12, 14, and 16 to a picture transfer buffer memory 42, and the picture transfer from the picture transfer buffer memory 42 to a picture processing sub-processor 44 are operated. At this time, when the picture data are written in one of the first and second line memories 46 and 48, the picture data are read from the other line memory, and transferred to the picture processing sub processor 44. Moreover, the picture transfer to the picture transfer buffer memory 42 is operated in a burst mode, and the picture transfer to the picture processing sub-processor 44 is operated by using the picture data of R, G, and B constituting color picture data as a unit.</p> |
