Semiconductor & Computer Engineering
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MAPS (MM570x) - National Semiconductor
- Not to be confused with National MM5700 Series.
| National MAPS | |
| |
| MM5700CA ALU | |
| Developer | National Semiconductor |
| Manufacturer | National Semiconductor |
| Type | microcontrollers |
| Production | 1971 |
| Architecture | Bin/BCD serial up to 76 bits |
| Word size | variable "variable" is not a number.
|
| Technology | pMOS |
| Package | DIP16, DIP24 |
The National MAPS (Microprogrammable Arithmetic Processor System) or National MM570x was a family of multi-chip bit-serial microcontrollers designed by National Semiconductor. The system was made of 5 discrete chips designed to operate on variable-sized words. 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 serial data microcomputer system. The chipset was introduced in late 1971 but was quickly replaced within a few short years.
Members[edit]
| 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 |
Design[edit]
 |
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ISA[edit]
| |
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Gallery[edit]
MM5700
MM5701
MM5702
MM5703
MM5704
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Facts about "MAPS (MM570x) - National Semiconductor"
| designer | National Semiconductor + |
| full page name | national semiconductor/maps + |
| instance of | microcontroller family + |
| main designer | National Semiconductor + |
| manufacturer | National Semiconductor + |
| name | National MAPS + |
| package | DIP16 + and DIP24 + |
| technology | pMOS + |