|NEC μCOM-44 Family|
|Architecture||4-bit word, 10-bit instructions|
|Word size|| 4 bit|
|Clock||150 kHz-440 kHz|
The 'μCOM-44 (or uCOM-44)' 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 and was sold at a reduced price accordingly.
|μCOM-44||μPD547||1977||1000x10 bit||64x4 bit||42|
|μCOM-44L||μPD547L||1978||1000x10 bit||64x4 bit||42|
|μCOM-44H||μPD552||1978||1000x10 bit||64x4 bit||42|
|μCOM-44C||μPD651||1978||1000x10 bit||64x4 bit||42|
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μCOM-44 Instruction Set
- Main article: μCOM-4 ISA
The μCOM-44 ISA supported a strict subset of the entire μCOM-4 ISA, composed of 58 instructions.
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