The Emerson/Mizar MZ 7776 is a 6U VMEbus multiprocessor DSP engine housing four Texas Instruments SMJ320C40 military-specification processors. This quad-DSP architecture delivers 160 MFLOPS aggregate performance—40 MFLOPS per processor at 40 MHz clock speed—optimized for parallel signal processing in demanding real-time applications. Each processor connects to six high-speed communication channels operating at 16 MB/s, enabling efficient interprocessor data exchange and scalable distributed computation across the card cage.
## Technical Specifications
**Processor Core**
• DSP Type: Texas Instruments SMJ320C40 (Military Specification)
• Processor Count: Four
• Clock Speed: 40 MHz
• Performance per DSP: 40 MFLOPS
• Aggregate Performance: 160 MFLOPS (800+ MOPS)
**Memory Architecture**
• Global Memory: 32-bit wide, accessible by all four processors; available in 0.5 MB, 1 MB, or 2 MB configurations
• Local Memory per DSP: 32-bit wide SRAM; configurable in 0.5 MB, 1 MB, or 2 MB increments for startup and boot code
**Interprocessor Communication**
• Communication Channels per DSP: Six high-speed channels
• Channel Bandwidth: 16 MB/s per channel
• Architecture: Dedicated parallel-processing topology for efficient inter-DSP data transfer
**Interfaces & I/O**
• VMEbus: Standard 6U VMEbus compatibility
• P2 Connector: Programmable I/O via VMEbus backplane P2 connector
• VSB Option: VME Subsystem Bus (VSB) support available
• Programmable Interface: Xilinx logic directly coupled to global memory; supports VSB or custom protocols
**Physical**
• Form Factor: 6U VMEbus board
• Power Dissipation: Less than 15 W
## Key Features
• Quad-processor configuration for scalable parallel computation
• Military-specification components rated for defense-grade reliability
• Flexible memory configurations supporting diverse algorithm requirements
• Sun-based multiuser/multiboard debugger enabling networked development across multiple boards
• Support for C and Ada source-level debugging
• Integrated TI pDSP XDS-510 in-circuit emulator with IEEE Std 1149.1 boundary scan
• Compatible with ANSI C compiler with parallel runtime library, NOS, Tartan Ada, SPOX, Helios, OS-9, and VxWorks
## Typical Applications
• Surveillance signal processing
• Guidance system computation
• Command and control data fusion
## Compatibility & Integration
The MZ 7776 integrates into standard VME card cages and supports custom I/O protocols via its programmable Xilinx interface. Multi-board systems benefit from centralized debugging through the Mizar Sun-based debugger, eliminating the need for isolated per-board development environments.
