|NEC μCOM-45 Family|
|Architecture||4-bit word, 10-bit instructions|
|Word size|| 4 bit|
|Clock||150 kHz-440 kHz|
The μCOM-45 (or uCOM-45) was family of general-purpose 4-bit microcontrollers, part of the μCOM-4 extended family. This family offered a subset of the full μCOM-4 ISA, offered a reduced amount of memory and was marketed as the low-end series among the μCOM-4 lines.
|μCOM-45||μPD550||1977||640x8 bit||32x4 bit||28|
|μCOM-45L||μPD550L||1980||640x8 bit||32x4 bit||28|
|μCOM-45||μPD554||1978||1000x8 bit||32x4 bit||28|
|μCOM-45L||μPD554L||1981||1000x8 bit||32x4 bit||28|
|μCOM-45C||μPD652||1978||1000x8 bit||32x4 bit||42|
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μCOM-45 Instruction Set
- Main article: μCOM-4 ISA
The μCOM-45 ISA supported a strict subset of the entire μCOM-4 ISA, composed of 58 instructions.
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