Image forming apparatus and data transferring method
    3.
    发明申请
    Image forming apparatus and data transferring method 审中-公开
    图像形成装置和数据传送方法

    公开(公告)号:US20100067042A1

    公开(公告)日:2010-03-18

    申请号:US12461850

    申请日:2009-08-26

    IPC分类号: G06F15/00

    摘要: A plotter repeats a process of standing by until the next line synchronization timing after data transfer for one line and transferring DMAC control information requesting data transfer for one line to an MCH for each line synchronization timing whereby image data for one page is transferred. Therefore, data transfer from the MCH to the plotter is processed by continuous posted requests, so that float with respect to a line period can be made longer without transmitting a plurality of data transfer requests from the plotter to the MCH in the split method. Thus, a high data transfer performance can be realized with an inexpensive circuit because the cost for mounting a buffer memory or the like on the circuit is not needed.

    摘要翻译: 绘图仪重复进行直到一行的数据传送之后的下一行同步定时的处理,并且将用于一行的DMAC控制信息请求数据传送到每个行同步定时的MCH,由此传送一页的图像数据。 因此,通过连续发送的请求来处理从MCH到绘图机的数据传送,使得可以使得相对于行周期的浮动可以更长,而在分割方法中不将多个数据传送请求从绘图仪发送到MCH。 因此,由于不需要在电路上安装缓冲存储器等的成本,所以可以用廉价的电路实现高数据传输性能。