Emerson / Motorola / Force Computers SYS68K / IBC-20/40-E08 High-Performance Controller Board

The Emerson / Motorola / Force Computers SYS68K / IBC-20/40-E08 is a controller board engineered for VMEbus system architectures. Built around the MC68020 32-bit microprocessor and the FORCE COMPUTERS Gate Array FGA-002A, this board delivers real-time system control with extensive memory resources and optional computational acceleration. ## Technical Specifications • **Microprocessor:** MC68020 32-bit
• **Custom Logic:** FORCE COMPUTERS Gate Array FGA-002A
• **Shared Main Memory:** Up to 4 Mbytes static RAM, VME-accessible
• **Non-Volatile Storage:** 128 Kbytes Flash Memory
• **Local SRAM:** 32 Kbytes with battery backup
• **Real-Time Clock:** On-board Real Time Clock/Calendar
• **Counters/Timers:** Three 16-bit channels
• **Serial Interface:** Debugging port for system diagnostics
• **Module Interfaces:** FLXi/EAGLE connectors for expansion
• **Form Factor:** VMEbus-compliant ## Key Features • Floating-point acceleration via optional MC68882 upgrade
• Memory expansion path to 8 Mbytes system memory using IBC MOD-1 module
• Battery-backed local SRAM preserves critical data during power loss
• Direct VME access to shared main memory eliminates performance bottlenecks
• Integrated timing and clock functions support deterministic real-time operations ## Typical Applications Industrial controller environments requiring stable, deterministic timing and multi-axis process management. Test and measurement systems benefiting from precise clock/calendar functions and modular memory expansion. Real-time data acquisition systems leveraging the MC68020’s 32-bit instruction set and optional floating-point processing. ## Compatibility & Integration Native VMEbus compliance ensures integration into existing backplane architectures. FLXi/EAGLE interfaces enable attachment of specialized I/O and signal processing modules. The optional MC68882 floating-point coprocessor accelerates computational tasks without architectural redesign.