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Difference between revisions of "national semiconductor/maps"
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National_Semiconductor_MM5700CA_D_Microprocessor.jpg|MM5700
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National_Semiconductor_MM5701_Register_unit.jpg|MM5701
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National Semiconductor MM5702 Clock and Control Unit.jpg|MM5702
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National_Semiconductor_MM5703_Control_ROM_%28extension%29_2.jpg|MM5703
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National SemiconductorMM5704 Keyboard interface unit.jpg|MM5704
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Revision as of 14:42, 28 January 2016

Not to be confused with National MM5700 Series.

The National MAPS (Microprogrammable Arithmetic Processor System) or National MM570X was a bit-serial 4-bit microcontroller system made of 5 discrete chips designed by National Semiconductor. The chipset was marketed as a general purpose serieal data microcomputer system. The chipset was introduced in late 1971[off?] but was quickly replaced within a year.

Family Members
Part Description
MM5700 ALU
MM5701 Register unit
MM5702 Clock and Control unit
MM5703 Control ROM (extension)
MM5704 Keyboard interface unit
MM5705 Control ROM
MM5706 Static Data Monitor

  • MM5700

  • MM5701

  • MM5702

  • MM5703

  • MM5704

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