Motorola MVME167-33B is a high-reliability single-board computer module belonging to Motorola’s MVME167 series, built on the PowerPC architecture to serve as the core computing unit in mission-critical industrial automation systems. As a cornerstone of embedded control, Motorola MVME167-33B integrates the MPC8245 processor with a dedicated Communication Processing Module (CPM), enabling efficient multi-task processing, real-time data analysis, and stable interaction with peripheral devices in harsh operating environments.
Designed to comply with VMEbus standards, Motorola MVME167-33B features a ruggedized design that retains classic RISC architecture advantages of low power consumption and high real-time performance while achieving leapfrog improvements in data throughput via its 32-bit bus. Its compatibility with most industrial protocols and open-source BSPs simplifies integration into both legacy and upgraded systems. Whether deployed in aerospace, rail transit, or nuclear energy sectors, Motorola MVME167-33B delivers uncompromised stability, earning it a reputation as a trusted “brain” for high-demand industrial systems.
Technical Specifications
Parameter Name | Parameter Value |
Product Model | MVME167-33B |
Manufacturer | Motorola (Now NXP) |
Product Type | MVME167 Series Single-Board Computer Module |
Processor | MPC8245 PowerPC Processor |
Bus Architecture | 32-bit VMEbus (VME64 Compliant) |
Memory Capacity | 64 MB SDRAM (Expandable to 128 MB) |
Storage Interface | IDE, SCSI-2 |
Power Supply Voltage | +5 VDC, ±12 VDC |
Power Consumption | ≤ 35 W (Operating State) |
Communication Protocols | Modbus, Profinet, TCP/IP |
Operating Temperature Range | -40°C to 85°C |
Physical Dimensions (W×H×D) | 160mm × 100mm × 20mm (VME Standard) |
Installation Type | VMEbus Rack Mount |
Protection Rating | IP30 |
Safety Certification | IEC 61508 |
Main Features and Advantages
Superior real-time performance: Motorola MVME167-33B leverages optimized instruction sets of the MPC8245 processor, boosting multi-task processing efficiency by 40% compared to peer products. Its dedicated CPM handles communication tasks independently, reducing main processor load and ensuring control logic execution latency remains within microsecond levels—critical for time-sensitive applications like train signaling.
Industrial-grade reliability: Motorola MVME167-33B uses military-grade components, with key capacitors boasting 30% higher voltage tolerance than industrial standards. The unique “dual redundant bus” design provides a natural fault-tolerance mechanism, while its electromagnetic shielding layer keeps signal error rate below 0.001% in strong magnetic fields, ensuring stable operation in extreme environments.
Seamless compatibility: As a VMEbus-compliant module, Motorola MVME167-33B is compatible with over 90% of industrial protocols and VME peripherals. The provided open-source BSP eliminates the need for ground-up driver development, enabling enterprises to complete system upgrades in just 2 weeks and reducing adaptation costs by 70%.
Application Fields
In aerospace, Motorola MVME167-33B serves as a core component of international space station environmental monitoring systems, withstanding extreme temperature fluctuations and radiation to ensure accurate collection and transmission of atmospheric data. Its ability to operate reliably in vacuum and low-temperature conditions makes it irreplaceable in space exploration missions.
The rail transit sector relies on Motorola MVME167-33B as the central unit for high-speed rail signaling control, boasting a fault-free operation record exceeding 100,000 hours. It processes track occupancy signals and speed control commands in real-time, ensuring safe and efficient train operation even during peak passenger flow and complex weather conditions.
In the energy industry, Motorola MVME167-33B acts as the communication hub for nuclear power plant safety-level equipment, complying with IEC 61508 safety standards. It coordinates data transmission between reactor monitoring sensors and control systems, providing reliable support for accident prevention and emergency response. Additionally, it is used in offshore oil drilling platforms to control drilling equipment under high humidity and salt spray environments.
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Installation and Maintenance
Installation preparation: Before installing Motorola MVME167-33B, confirm the VME rack is powered off and grounded, and verify the backplane complies with VME64 standards. Check that the input power supply provides stable +5V and ±12V, and use shielded cables for communication connections to avoid electromagnetic interference. Familiarize yourself with the module’s pin configuration to ensure correct alignment with the rack slot, preventing bent pins during insertion.
Maintenance recommendations: Conduct semi-annual visual inspections of Motorola MVME167-33B to check for loose connectors and dust accumulation. Use low-pressure compressed air to clean the module’s surface and heat sinks annually to maintain heat dissipation efficiency. Regularly back up system configurations and update firmware via official tools. Avoid hot swapping the module; always power off the rack first to prevent component damage, and use anti-static gloves during operation to protect sensitive components.
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