Emerson / Mizar 7772 QUAD C40 DSP VME Module

The Emerson/Mizar 7772 QUAD C40 is a single-slot 6U VMEbus module housing four Texas Instruments TMS320C40 digital signal processors for high-performance real-time applications. Each C40 delivers 60 MFLOPS, with the quad configuration providing 240 MFLOPS aggregate performance. The module integrates on-board memory, inter-processor communication fabric, and VME64 master/slave connectivity without requiring daughter cards, making it suitable for demanding signal processing, data acquisition, and control tasks in industrial, scientific, and military environments.

## Technical Specifications

• **Processors:** Four Texas Instruments TMS320C40 DSPs
• **DSP Performance:** 60 MFLOPS per processor; 240 MFLOPS aggregate
• **Data Format Support:** 40-bit floating-point and 32-bit integer operations
• **Arithmetic Units:** Single-cycle multipliers; hardware divide and inverse square root
• **Form Factor:** Single-slot 6U VMEbus module
• **VMEbus Interface:** VME64 master/slave; 60 MB/s block transfer capability
• **On-Board SRAM:** Up to 8 MB zero wait-state per DSP
• **Global Bus SRAM:** 4 MB shared across DSPs and VMEbus accessible
• **Non-Volatile Storage:** 2 MB flash EEPROM; 1 KB non-volatile RAM
• **Optional Memory Expansion:** Daughter cards supporting up to 16 MB SRAM or 32 MB DRAM
• **Inter-Processor Communication:** Six 20 MB/s communication ports per C40
• **Front Panel I/O:** 16 communication ports (two per processor); 320 MB/s aggregate I/O bandwidth
• **Memory Expansion Interface:** 100 MB/s per processor; 400 MB/s aggregate (four processors)

## Key Features

• Integrated quad-processor architecture eliminates daughter card dependencies
• Source-code compatible with TMS320C3x family
• Zero wait-state local memory for each DSP
• Harvard-style memory architecture support via optional expansion
• High-bandwidth inter-processor communication and VMEbus connectivity

## Typical Applications

• Real-time signal processing and filtering
• High-speed data acquisition and analysis
• Industrial control systems
• Scientific instrumentation
• Military signal intelligence and radar processing

## Compatibility & Integration

The module operates within standard VME64 ecosystems and maintains instruction-level compatibility with TMS320C3x processors, enabling straightforward integration into existing DSP-based systems and software migration paths.