Description
Motorola MVME147SB-1
Technical Specifications
- Microprocessor: MC68030 32-bit microprocessor.
- Main Memory: Onboard DRAM (capacity varies by specific build).
- Non-Volatile Storage: Battery-backed SRAM and EPROM/Flash firmware storage.
- Bus Interface: IEEE 1014-1987 compliant VMEbus interface.
Functional Features
- System Integration: Integrates the MC68030 processor, memory controller, and VME interface logic.
- Debug Support: Onboard 147Bug debug monitor firmware simplifies system boot and low-level hardware diagnostics.
- Expansion: Supports IndustryPack (IP) modules for flexible I/O expansion.
- Serial Communications: Dual serial ports supporting RS-232 standards.
Application Scenarios
Legacy industrial automation systems, early distributed control systems (DCS), laboratory test equipment, and communication base station control nodes.
Performance Parameters
- VME Standard: Supports A24/A32 addressing and D8/D16/D32 data transfers.
- Environmental Tolerance: Standard industrial temperature and humidity ranges.
Material Composition
Industrial-grade PCB populated with MC68030 processor, DRAM chips, and discrete logic components.
Structural Characteristics
Standard 6U VME Eurocard form factor with P1/P2 backplane connectors and front-panel status indicators.
Working Principle
The MC68030 processor executes instructions and manages the local bus. Discrete ASICs handle VME bus arbitration, memory refresh, and serial communication, translating local bus transactions to the VME backplane.
Installation Requirements
- Insert into a standard 6U VME chassis and secure with front-panel screws.
- Configure memory and VME system controller jumpers appropriately.
- Ensure adequate forced-air cooling.
Usage Precautions
- ESD protection is mandatory during handling.
- Never hot-swap the board.
- Check backup battery voltage regularly to prevent configuration loss.




