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μCOM-43 - NEC
NEC μCOM-43 Family | |
Developer | NEC |
Manufacturer | NEC |
Type | Microcontrollers |
Production | May, 1977 |
Architecture | 4-bit word, 10-bit instructions |
ISA | μCOM-4 |
Word size | 4 bit 0.5 octets
1 nibbles |
Technology | pMOS |
Clock | 150 kHz-440 kHz |
Package | DIP42 |
The μCOM-43 (or uCOM-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
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μCOM-43 Instruction Set
- Main article: μCOM-4 ISA
The μCOM-43 ISA supported the entire μCOM-4 ISA which included 80 instructions.
Documents
Datasheet
See Also
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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) + |