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Controlling system for rom incorporating microprogram

阅读:429发布:2023-12-14

专利汇可以提供Controlling system for rom incorporating microprogram专利检索,专利查询,专利分析的服务。并且PURPOSE:To reduce the number of ROMs, by storing one instruction of a program divisionally in plural addresses of the same ROM and changing lower prescribed bits of an address line in respect to time to read one instruction into plural registers in time division when the program is read. CONSTITUTION:Address lines A0-A10 are connected to a read-only memory ROM, and one divided microprogram instruction is stored in the ROM by address lines A0-A10. When this program instruction is read out from the ROM, lower bits of address lines A0-A10 are changed in respect to time, and outputs of outputs D0-D7 of the ROM are inputted to register circuits REG.A-REG.D in time division. Thus, one micro instruction is read out to register circuits REG.A-REG.D in time division to reduce the number of ROMs, and thus, the program control is performed with simple circuit constitution.,下面是Controlling system for rom incorporating microprogram专利的具体信息内容。

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