The Curtiss-Wright / DY-4 SVME-183-0610 is a single-board computer engineered for aerospace, defense, and harsh industrial environments. It combines dual Freescale Power Architecture MPC7447A/7448 processors with AltiVec technology to deliver high-performance signal processing in a compact 0.8″ VME slot footprint. Configurable in air-cooled or conduction-cooled variants, the SVME-183-0610 integrates multiple I/O standards and avionics-grade system management for mission-critical deployments.
## Technical Specifications
**Processors & Memory**
• Dual Motorola MPC7447A or MPC7448 PowerPC processors with AltiVec technology
• Clock speeds: MPC7447A at 1.0 GHz, MPC7448 at 1.2 GHz, up to 1.4 GHz maximum
• Hardware-enforced cache coherency for PCI and bus mastering peripherals
• Up to 2 GB DDR SDRAM with ECC; configurations include 1 GB options
• 128 MB to 512 MB direct-mapped Flash memory; 256 MB in select configurations
**Interfaces & Expansion**
• Two 64-bit PMC (PCI Mezzanine Card) sites
• PCI Bus 1: 64-bit, 100 MHz PCI-X, 800 MB/s peak transfer rate
• PCI Bus 2: 64-bit, 66 MHz PCI-X with PCI-to-PCI bridge
• VMEbus: Tundra Universe II VME64 master/slave with VME DMA and VME64x geographic addressing
• Three Gigabit Ethernet interfaces
• Up to six serial ports (RS232, RS433, RS485 options)
• Two MIL-STD-1553 channels
• 8-bit or 16-bit SCSI interface option
• Two SATA 1.0 interfaces
• Two USB 2.0 ports
• 14 TTL discrete I/O channels with differential control support
**System Management & Timers**
• 4× 32-bit general-purpose user timers
• 4× general-purpose PCI/SDRAM DMA controllers
• 6× 32-bit OS timers (3 per processor)
• 2× avionics-style watchdog timers (1 per processor)
• Real-time clock
• 4× on-board temperature sensors
**Power & Physical**
• Basecard: +5 V only; backplane: 3.3 V, 5 V, ±12 V routed to PMC sites
• Single 0.8″ VME slot occupancy
## Key Features
• Dual-processor architecture with AltiVec signal processing acceleration
• Avionics-grade watchdog and temperature monitoring for mission reliability
• Multiple I/O standards reduce subsystem integration complexity
• Backward compatibility with earlier Curtiss-Wright SBC generations
• Technology insertion and retrofit-ready design
## Typical Applications
• Aerospace and defense embedded computing
• Real-time signal processing and data acquisition
• Avionics systems and airborne platforms
• Industrial control in harsh environments
## Compatibility & Integration
The SVME-183-0610 operates within standard VME64 chassis and integrates with Curtiss-Wright SBC families for system scalability. PMC slots enable modular I/O expansion, while multiple serial, Ethernet, and specialized protocols support diverse mission requirements.
