MOTOROLA MVME188A VMEbus Processor Module
The MOTOROLA MVME188A is a high-performance VMEbus processor module engineered for industrial, defense, and embedded computing applications requiring exceptional reliability and processing capability. Built on Motorola’s proven VME architecture, the MVME188A integrates powerful processing performance with flexible I/O and memory configurations, making it a preferred choice for mission-critical control systems, automation, and real-time data processing environments.
Designed to deliver consistent performance under demanding conditions, this module combines rugged hardware design with advanced features to ensure long-term stability, system compatibility, and efficient communication within complex control networks.
⚙️ Technical Overview
The MVME188A module belongs to the renowned Motorola MVME family, designed for industrial and military-grade applications. It features the MC88100 RISC microprocessor running at 25 MHz and an MC88200 cache memory management unit, providing superior computational efficiency. The MVME188A supports large-scale data handling, fast interrupt response, and flexible I/O expansion through VMEbus architecture.
With onboard memory, multiple serial interfaces, and high-speed bus connections, it is suitable for real-time control systems and data acquisition environments where deterministic performance is essential.
📊 Datasheet Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Motorola |
| Model Number | MVME188A |
| Processor Type | Motorola MC88100 RISC |
| Clock Speed | 25 MHz |
| Memory | 4 MB to 64 MB DRAM (expandable) |
| Cache Memory | 16 KB instruction / 16 KB data (MC88200 MMU) |
| Bus Interface | VMEbus A32/D32 |
| I/O Ports | Serial (RS-232C/RS-422), Parallel |
| Boot ROM | 256 KB EPROM |
| Operating System Support | VxWorks, UNIX, OS-9 |
| DMA Channels | Supported |
| Interrupt Handling | 7 levels, vectored interrupts |
| Watchdog Timer | Integrated hardware watchdog |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5%–95% non-condensing |
| Dimensions | 233.4 mm × 160 mm (6U VME format) |
| Weight | Approx. 680 g |
| Compliance | IEEE 1014 VMEbus Standard |
| Power Supply | +5 V DC, 4.5 A max |
| Cooling Requirement | Forced air recommended |
| Mounting Type | Plug-in VME chassis slot |
🧩 Key Features
- RISC Processing Power: Equipped with Motorola’s MC88100 RISC CPU, the MVME188A delivers high-speed execution for data-intensive and real-time applications.
- VMEbus Compatibility: Fully compatible with IEEE 1014 VMEbus systems, ensuring easy integration with existing architectures.
- Memory Expandability: Scalable DRAM configuration supports up to 64 MB, enabling users to handle large datasets efficiently.
- Integrated Cache and MMU: Dual MC88200 units enhance memory management and data throughput, improving real-time performance.
- High Reliability: Designed for industrial-grade environments, with robust construction and EMI shielding.
- Multiple Communication Ports: Includes serial and parallel ports for flexible peripheral connectivity.
- Operating System Flexibility: Supports VxWorks and UNIX, allowing developers to deploy diverse control and automation applications.
🔧 Installation and Maintenance
The MVME188A is designed for standard 6U VME chassis installation. The module slides into the designated slot and connects directly to the system backplane. Proper grounding and airflow must be ensured to prevent overheating.
Maintenance requirements are minimal; periodic inspection for dust and connector wear is recommended. Firmware updates can be loaded through serial or VME interfaces using supported development tools. Replacement of memory modules or chips can be performed by qualified personnel following Motorola maintenance guidelines.
🌐 Applications
- Industrial Automation: Used in process control, SCADA systems, and machine automation.
- Defense and Aerospace: Integrated into radar, missile guidance, and avionics control systems.
- Telecommunications: Manages switching systems, base station controllers, and network nodes.
- Transportation Systems: Applied in railway signaling, traffic control, and navigation systems.
- Research Laboratories: Ideal for data acquisition and high-speed computational analysis.
🧠 Advantages
- Proven Reliability: Trusted in mission-critical environments for over two decades.
- Modular Expansion: Supports a wide range of peripheral modules via VMEbus.
- Low Latency: Optimized interrupt response for real-time operations.
- Long-Term Support: Designed for longevity and availability within industrial lifecycle management.
- Compatibility: Backward-compatible with previous MVME generations, reducing upgrade costs.
🌐 Explore More Motorola VME Modules
For detailed product information and system compatibility, visit:
🔗 https://www.stardcsplc.com/
🔗 https://www.stardcsplc.com/
📦 Recommended Similar Motorola VME Modules
| Model | Description | Processor Type | Memory Capacity | More Info |
|---|---|---|---|---|
| MVME167 | Motorola VME Processor Board | MC68040 | Up to 32 MB DRAM | stardcsplc.com |
| MVME162-512 | Embedded VME Controller | MC68040 | 8 MB DRAM | stardcsplc.com |
| MVME172 | RISC VMEbus CPU Module | PowerPC 603e | Up to 64 MB | stardcsplc.com |
| MVME2600 | High-Performance VME Processor | PowerPC 604 | Up to 128 MB | stardcsplc.com |
| MVME5500 | Next-Gen VME Controller | PowerPC 7457 | Up to 1 GB DDR | stardcsplc.com |
🛠️ Summary:
The MOTOROLA MVME188A combines powerful RISC processing, scalable memory, and reliable VMEbus communication, making it an ideal choice for high-demand industrial and embedded computing environments. Its robust architecture, long-term reliability, and versatile interface support ensure consistent performance for automation, defense, and research applications across the globe.
