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Single-chip microcomputers can be easy to program

Published: 07 June 1982 Publication History

Abstract

Most single-chip microcomputers (MCUs) use the split-memory Harvard architecture. A few single-chips trace their architectural heritage to large computers due to the common-memory Von Neumann organization. The major differences are that a Harvard-based MCU costs less in its undistorted form, and a Von Neumann-based MCU is more expandable and easier to program.
Since the traits of Harvard-based single-chips are quite well known, though perhaps not by that name, the focus is placed on the programming benefits of a Von Neumann MCU. Programming costs can be lowered while increasing program reliability. Data organizations can be more flexible in both RAM and ROM. Program changes can be incorporated more quickly. The generalized instruction set is easier to understand. The M6805 family of MCUs is used to illustrate these benefits.

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  • (2025)Automatic Inference of Relational Object InvariantsVerification, Model Checking, and Abstract Interpretation10.1007/978-3-031-82700-6_10(214-236)Online publication date: 20-Jan-2025
  • (2022)Butterfly: μW Level ULP Sensor Nodes with High Task ThroughputSensors10.3390/s2208308222:8(3082)Online publication date: 17-Apr-2022
  • (2022)The Myth of the Harvard ArchitectureIEEE Annals of the History of Computing10.1109/MAHC.2022.317561244:3(59-69)Online publication date: 1-Jul-2022

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AFIPS '82: Proceedings of the June 7-10, 1982, national computer conference
June 1982
857 pages
ISBN:088283035X
DOI:10.1145/1500774
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 07 June 1982

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Cited By

View all
  • (2025)Automatic Inference of Relational Object InvariantsVerification, Model Checking, and Abstract Interpretation10.1007/978-3-031-82700-6_10(214-236)Online publication date: 20-Jan-2025
  • (2022)Butterfly: μW Level ULP Sensor Nodes with High Task ThroughputSensors10.3390/s2208308222:8(3082)Online publication date: 17-Apr-2022
  • (2022)The Myth of the Harvard ArchitectureIEEE Annals of the History of Computing10.1109/MAHC.2022.317561244:3(59-69)Online publication date: 1-Jul-2022

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