Semiconductor & Computer Engineering
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Difference between revisions of "nec/μcom-43"
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| arch = 4-bit word, 10-bit instructions | | arch = 4-bit word, 10-bit instructions | ||
| − | | isa = μCOM- | + | | isa = μCOM-4 |
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| proc = <!-- process, e.g. "8 μm" --> | | proc = <!-- process, e.g. "8 μm" --> | ||
Revision as of 06:59, 20 January 2016
| NEC μCOM-43 Family | |
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| Developer | NEC |
| Manufacturer | NEC |
| Type | Microcontrollers |
| Production | May, 1977 |
| Architecture | 4-bit word, 10-bit instructions |
| ISA | μCOM-4 |
| Word size | 4-bit "-bit" is not declared as a valid unit of measurement for this property.
|
| Technology | pMOS |
| Clock | 150 kHz-440 kHz |
| Package | DIP42 |
The μCOM-43 was family of general-purpose 4-bit microcontrollers, part of the μCOM-4 extended family. The μCOM-43 offered real hardware interrupt capabilities (as opposed to pseudo in the μCOM-44 and μCOM-45).
Microcontrollers
| μCOM-43 Microcontrollers | ||||||||
|---|---|---|---|---|---|---|---|---|
| Model | Part | Introduction | ROM | RAM | Pins | |||
| μCOM-43 | μPD546 | 1977 | 2000x10 bit | 96x4 bit | 42 | |||
| μCOM-43H | μPD553 | 1978 | 2000x8 bit | 96x4 bit | 42 | |||
| EVACHIP-43 | μPD556 μPD556B | 1977 | 96x4 bit | 64 | ||||
| μCOM-43SL | μPD557L | 1981 | 2000x8 bit | 96x4 bit | 28 | |||
| μCOM-43C | μPD650 | 1978 | 2000x10 bit | 96x4 bit | 42 | |||
Design
 |
This section is empty; you can help add the missing info by editing this page. |
μCOM-43 Instruction Set
- Main article: μCOM-4 ISA
The μCOM-43 ISA supported the entire μCOM-4 ISA which included 80 instructions.
See Also
 |
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. |
Facts about "μCOM-43 - NEC"
| designer | NEC + |
| full page name | nec/μcom-43 + |
| instance of | microcontroller family + |
| instruction set architecture | μCOM-4 + |
| main designer | NEC + |
| manufacturer | NEC + |
| name | NEC μCOM-43 Family + |
| package | DIP42 + |
| technology | pMOS + |
| word size | 4 bit (0.5 octets, 1 nibbles) + |