MCS-51 series and 80C51 series microcontrollers

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MCS-51 series and 80C51 series microcontrollers [Copy link]

MCS-51 series and 80C51 series microcontrollers

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Source: "Embedded and Single-Chip Microcomputer Systems" Data compilation: dunleavy

MCS is the series symbol of Intel's single-chip microcomputer. Intel has launched MCS-48, MCS-51, and MCS-96 series single-chip microcomputers. The MCS-51 series includes three basic models: 80C31, 8051, and 8751, as well as the corresponding low-power models: 80C31, 8051, and 87C51, so MCS-51 specifically refers to these models of Intel.

In the computer field, a series machine refers to a machine with the same system structure produced by the same manufacturer. After the mid-1980s, Intel gave the 8051 core to many semiconductor manufacturers, such as AMTEL, PHILIPS, ANANOG DEVICES, DALLAS, etc., in the form of patent transfer. The chips produced by these manufacturers are compatible products of the MCS-51 series, or more precisely, single-chip microcomputers compatible with the MCS-51 instruction system. These single-chip microcomputers have the same system structure as the 8051 (as long as it is the instruction system) and use CMOS technology. Therefore, the 80C51 series is often used to refer to all single-chip microcomputers with the 8051 instruction system. They generally make some expansions to the 8051, which are more distinctive, more powerful, and more competitive in the market. They should not be called MCS-51 series single-chip microcomputers. MCS is only dedicated to Intel.

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