From WikiChip
MAPS - National Semiconductor
< national semiconductor
Revision as of 15:00, 28 January 2016 by Mister rf (talk | contribs)

Not to be confused with National MM5700 Series.

The National MAPS (Microprogrammable Arithmetic Processor System) or National MM570X was a bit-serial microcontroller system made of 5 discrete chips designed by National Semiconductor. The system can be programmed to operate in binary or BCD up to a 76 bit one cycle data word.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
Text document with shapes.svg This article is still a stub and needs your attention. You can help improve this article by editing this page and adding the missing information.