Image data rotation processing method and apparatus therefor

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Details

364521, 340727, 382 46, G06F 1540, G06F 15626

Patent

active

049290851

ABSTRACT:
A rotation circuit includes a first holding section for sequentially latching n words input in units of words, in accordance with a first control instruction, each word consisting of n-bit data. The n words held in the first holding section are input to and latched by a second holding section. One bit of data is selected from each word latched by the second holding section, in accordance with a second control instruction, while the next one word is input to the first holding section, and a rotated word constituted by n bit data selected from n words is output from a selector section. The first and second control instructions are generated from a controller, in accordance with an input rotation control instruction, and are respectively supplied to the first holding section and the selector section.

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