| 摘要 |
When a first DMA unit and a second DMA unit transfer image data in a memory to be divided into units composed of a plurality of lines, a transfer number of lines for an enlargement section is controlled for each unit on the basis of a magnification of an image which has been set. Even if any magnification is set, the number of output lines of a second reduction section can always be made coincident with a number of lines specified in a JPEG encoder. In addition, there is no need for providing an additional circuit configuration such as a buffer memory in the second reduction section in order to match number of lines each other.
|
