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Digital image processing apparatus having a microprogram controller for reading microinstructions during a vacant period of the image processing circuit
Digital image processing apparatus having a microprogram controller for reading microinstructions during a vacant period of the image processing circuit
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机译:具有微程序控制器的数字图像处理设备,该微程序控制器用于在图像处理电路的空闲期间读取微指令
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摘要
A microprogram loaded in a microprogram memory by a host CPU is read out by a microprogram read control circuit in a vacant period existing in each cycle of operation of a hardware unit, whereby the microprogram is transmitted to each circuit of the hardware unit through a microprogram read-only bus. Each circuit of the hardware unit comprises a decoder and operation thereof is controlled based on a microinstruction decoded by the decoder.
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