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μCOM-4 is a microcontroller family introduced by NEC in the 1970s. It was manufactured as Sharp requested them for their products. It had a 4-bit architecture. It was based on the μPD751 microprocessor, the first Japanese single-chip microprocessor. The microcontroller ran at 1 MHz clock speed and had 4 kB of address space.
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- "NEC 751". AntiqueTech. 2013-09-18. Retrieved 2019-10-12.
- Rajasree, Y. (2008). Advanced Microprocessors. New Age International. p. 10. ISBN 978-81-224-1639-8.
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