IEEE 1118.1-1990
IEEE Standard for Microcontroller System Serial Control Bus
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About This Item
IEEE 1118.1-1990 is a technical standard for a microcontroller system serial control bus, defining a structured approach to communication between control components in embedded hardware. It is relevant to components, circuits, devices, and systems that need reliable serial control signaling and coordinated operation. For engineers and procurement teams, IEEE 1118.1-1990 helps identify a consistent basis for design and compatibility in microcontroller-based equipment where serial bus behavior matters.
About IEEE 1118.1-1990
IEEE 1118.1-1990 addresses the serial control bus used in microcontroller systems, giving a formal reference for how control-oriented communication is organized at the system level. In practice, this kind of specification supports predictable interactions among devices that share control data over a serial link. As an inactive standard, IEEE 1118.1-1990 is typically consulted for legacy designs, documentation review, or maintenance of older equipment that was built around this bus concept.
Where is IEEE 1118.1-1990 used?
This standard is most relevant in embedded and microcontroller-based systems where a serial control bus links functional blocks within a device. It may be used in legacy instrumentation, industrial control hardware, and electronic subsystems that rely on coordinated control messaging rather than high-bandwidth data transfer. IEEE 1118.1-1990 is also useful when evaluating older product architectures, checking interface assumptions, or comparing historical design requirements for system integration.
Importance in practice
IEEE 1118.1-1990 matters because serial control bus behavior can affect interoperability, timing, and system reliability. A clear standard helps reduce ambiguity during design, testing, and maintenance, especially when working with older microcontroller platforms. For organizations supporting existing equipment, IEEE 1118.1-1990 can aid compliance review, spare-part evaluation, and troubleshooting by providing a stable technical reference for control bus implementation and expected operation.
- Microcontroller serial control bus reference
- Legacy embedded system support
- Control-oriented interface consistency
- Design and maintenance review
- Compatibility and testing baseline
- Publication Date: 1991
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems
- Official IEEE: Doi link
- This Version: 1118.1 (1991)
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