Description
Product Overview: Motorola PMCSPAN-002 I/O Expansion Module
The Motorola PMCSPAN-002 is an I/O expansion module designed for use with Motorola’s VMEbus-based single-board computers (SBCs) and embedded systems. This module provides additional input/output capabilities through a PCI Mezzanine Card (PMC) interface, enabling flexible integration of custom or specialized I/O functions into Motorola’s computing platforms. Typically used in industrial automation, telecommunications, and military applications, the PMCSPAN-002 enhances system scalability and adaptability by allowing users to add tailored I/O solutions without modifying the core computing hardware.
Key Features & Benefits
PMC Interface Compatibility:
Utilizes the standardized IEEE 1386 PCI Mezzanine Card (PMC) interface, ensuring compatibility with a wide range of PMC modules for serial communication, digital I/O, analog I/O, or specialized networking functions.
Seamless Integration with Motorola SBCs:
Designed to work with Motorola’s VMEbus SBCs (e.g., MVME1600/2600/3600 series), providing a streamlined path for expanding I/O capabilities in embedded systems.
High-Speed Data Transfer:
Supports PCI bus speeds for efficient data exchange between the PMC module and the host SBC, minimizing latency in critical applications.
Ruggedized Design:
Built to withstand harsh industrial environments, with components rated for extended temperature ranges and resistance to vibration/shock.
Flexible Configuration:
Allows customization through user-selectable PMC modules, enabling support for protocols such as Serial RS-232/422/485, Ethernet, CAN bus, or digital/analog I/O.
Hot-Swap Support (Optional):
Some configurations may support hot-swappable PMC modules, reducing downtime during maintenance or upgrades.
Technical Specifications
| Parameter | Specification |
| Manufacturer | Motorola (now part of NXP Semiconductors) |
| Model | PMCSPAN-002 |
| Interface Standard | IEEE 1386 PCI Mezzanine Card (PMC) |
| Host Bus Compatibility | VMEbus (via Motorola SBCs) |
| Supported PMC Types | Standard PMC modules (3.3V or 5V) |
| Data Transfer Rate | PCI bus speeds (up to 133 MB/s) |
| Electrical Requirements | Powered via VMEbus backplane or external source (varies by configuration) |
| Operating Temperature | Industrial range (e.g., -40°C to +85°C) |
| Mechanical Form Factor | Single-width or double-width PMC carrier (model-dependent) |
Typical Applications
- Industrial Automation: Adding serial ports or digital I/O for PLCs, motor controllers, and sensor interfaces.
- Telecommunications: Integrating additional network interfaces (e.g., T1/E1, fiber optic) for base station control.
- Military/Aerospace: Supporting ruggedized communication or data acquisition modules in vehicle/avionics systems.
- Medical Equipment: Enabling custom I/O for diagnostic devices or imaging systems.
- Transportation Systems: Expanding connectivity for railway signaling or traffic control networks.
Integration & Configuration
Host Board Requirements:
Must be installed on a compatible Motorola VMEbus SBC (e.g., MVME162, MVME167) with an available PMC site.
Software Support:
Drivers and configuration tools are typically provided through Motorola’s SDK or third-party RTOS environments (e.g., VxWorks, LynxOS).
Mechanical Mounting:
Secured to the host SBC via PMC connectors and stabilized with mounting brackets for high-vibration environments.
Why Choose the Motorola PMCSPAN-002?
- System Scalability: Extends the functionality of legacy Motorola VME systems without requiring hardware redesign.
- Proven Reliability: Leverages Motorola’s heritage in robust embedded computing for critical applications.
- Modular Flexibility: Supports hundreds of commercial off-the-shelf (COTS) PMC modules for rapid prototyping and deployment.
- Legacy System Support: Ideal for maintaining/upgrading existing Motorola-based infrastructure.
Disclaimer:
This product is legacy hardware and may be discontinued. Specifications are based on historical Motorola embedded architecture documentation. Always verify compatibility with host systems and PMC modules using official Motorola/NXP technical resources. Installation and configuration require expertise in VMEbus and PMC standards.
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