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Motorola MVME025 Mvme025 System Controller Vme Module
- VMEbus System Controller functionality.
- Manages bus arbitration for multiple VMEbus masters.
- Provides system clock generation.
- Handles interrupt request and acknowledge cycles.
- Designed for VMEbus-based embedded systems.
- Ensures proper system initialization and operation.
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Key specifications
See full specs ↓- Bus Standard
- VMEbus
- Function
- System Controller
- Manufacturer
- Motorola
Product details
The Motorola MVME025 is a VMEbus system controller module. It serves as a central control unit for VMEbus-based systems, managing bus arbitration, system clock, and interrupt handling.
Technical Information
| Bus Standard | VMEbus |
| Function | System Controller |
Additional Specifications
| Manufacturer | Motorola |
Description
The Motorola MVME025 is a critical component within the VMEbus architecture, functioning as a system controller. The VMEbus (Versa Module Eurocard bus) is a popular standard for modular, high-performance computer systems, often found in industrial, scientific, and embedded applications. The MVME025 module is responsible for orchestrating the fundamental operations of the VMEbus backplane, ensuring that multiple devices can communicate effectively and that the system operates in a stable manner. Key responsibilities of the MVME025 include managing bus arbitration, which determines which device has control of the bus at any given time. This is crucial for preventing data collisions and ensuring orderly data transfer between various master modules (processors, I/O controllers) and slave modules (memory, peripherals). Additionally, the controller generates the system clock signals required for synchronous operations across the bus and handles the complex interrupt handling mechanisms, allowing devices to signal the processor when they require attention. As a system controller, the MVME025 is often one of the first modules to be initialized when a VMEbus system powers up. It sets up the basic operational parameters and ensures that all connected modules are recognized and can participate in system operations. Its presence is fundamental for the correct functioning of any VMEbus system, providing the necessary infrastructure for communication, timing, and control among the various cards installed in the backplane.
Condition: Refurbished
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