The Emerson/Motorola MVME162PA-344SE is a VMEbus-resident embedded controller built around the Motorola MC68040RC33A processor for real-time industrial control, data acquisition, and communication tasks. The 33 MHz processor includes an 8 KB cache, Memory Management Unit, and Floating-Point Unit, delivering 32-bit performance in a compact form factor.
## Technical Specifications
**Processor & Memory**
• CPU: Motorola MC68040RC33A at 33 MHz with 8 KB instruction cache, MMU, and FPU
• SDRAM: 16 MB configurable with ECC support
• SRAM: 512 KB with battery backup
• Flash Memory: 1 MB for firmware and on-board monitor/debugger
• NVRAM: 8K × 8 with battery-backed Time-of-Day clock
**VMEbus Interface**
• Master/slave VMEbus controller with system controller capability
• Address space: A16/A24/A32 support
• Data widths: D8/D16/D32 with D64 burst capability
• High-performance DMA for D64 cycles on both VMEbus and local memory
**I/O & Expansion**
• Four IndustryPack ports accepting single-wide or dual-wide modules via 32-bit local bus connection
• Two EIA-232-D serial ports with dedicated debug terminal on P2 connector
• 8-bit bidirectional parallel interface via PCC2 ASIC
• Optional SCSI interface with NCR53C710 controller
• Optional Ethernet LAN transceiver with DMA
**On-Board Logic**
• Petra II second-generation ASIC
• VMEChip2 bus controller
• PCC2 Programmable Channel Controller ASIC
## Key Features
The MVME162PA-344SE delivers industrial-grade reliability through dual-port SRAM with battery backup, real-time clock persistence, and configurable memory addressing. Modular IndustryPack expansion enables plug-and-play integration of analog, digital, and specialized I/O functions. Optional SCSI and Ethernet connectivity support networked data acquisition and storage architectures without external interface cards.
## Typical Applications
Process control systems, distributed data acquisition platforms, industrial automation controllers, VME-based test systems, and embedded real-time signal processing requiring deterministic timing and high-bandwidth I/O.
## Compatibility & Integration
Full VMEbus compliance ensures integration into existing VME backplane systems. Optional MVME712 Series Transition Modules adapt the P2 connector for standard industrial I/O connectors. Alternative MC68LC040 processors (without FPU) are available for cost-sensitive variants.
