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.