| 摘要 |
PURPOSE:To prevent a data generation circuit from being increased even if the number of plain memories increases by generating data which are to be written in plural plain memories from the data generation circuit in time division and writing data which have been generated in time division into the prescribed plain memories in corresponding time. CONSTITUTION:A memory control circuit 9 outputs data which are to be written in the plain memories 1a-1d from the data operation circuit in time division. Said circuit 8 simultaneously outputs address signals designating the plain memories 1a-1d. Data are written in the plain memories 1a-1d in accordance with a value which has been set in a positive plain register 6. Thus, a display controller which operates by one data generation circuit can be obtained irrespective of the number of the plain memories.
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