Motorola 0188679/0190530 VMEbus Single-Board Computer (SBC)

Product Short Description

Fixed High – Stability Configuration: The 450 MHz MPC750 + 1 MB L2 cache + 64 MB ECC SDRAM combination delivers consistent real – time performance for deterministic control tasks.
Enhanced Data Integrity: ECC SDRAM corrects single – bit errors and detects multi – bit errors; NVRAM – RTC preserves time and critical data during power loss.
Dual I/O Expansion Modes: P2 jumper – configurable for PMC (backward – compatible with MVME2300/2400) or IPMC (supports legacy MVME761/712M I/O via IPMC761/712 PMC cards).
Reliable Connectivity: Dual Ethernet enables network redundancy; dual UARTs support serial control and debugging; the PMC slot accepts I/O, communication and specialty modules.
Industrial – Grade Ruggedness: It can operate in harsh industrial/aerospace environments with wide – temperature, vibration and shock resistance.
Legacy Software Compatibility: PPCBug firmware and PowerPC G3 architecture support VxWorks, pSOS and other embedded RTOS, protecting long – term software investments.

Category	Details
Processor	450 MHz MPC750 (PowerPC G3) 32 – bit RISC CPU
Cache Configuration	32 KB instruction + 32 KB data L1 cache; 1 MB on – board L2 cache
Front – Side Bus	100 MHz
Memory	64 MB ECC SDRAM (base, expandable via RAM50 mezzanine to 1 GB); 17 MB on – board flash (16 MB surface – mount + 1 MB socketed); NVRAM with RTC
Network Interfaces	Dual 10/100BaseTX Ethernet ports (IEEE 802.3 compliant)
Serial Interfaces	2 x TL16C550 UARTs (RS – 232); 1 x RS – 232 debug port
Expansion	1 x 32/64 – bit PMC slot (supports 3.3 V/5 V modules); P2 I/O with configurable PMC/IPMC modes
VMEbus Compliance	VME64, 32/64 – bit data paths, 100 MHz operation, master/slave capability
Power Requirements	5 V DC (±5% tolerance); typical power < 25 W
Firmware	PPCBug debug/initialization firmware; full system configuration and diagnostics
Environmental Ratings	Operating temp: 0°C–60°C; storage temp: – 40°C–85°C; vibration: 10–500 Hz, 1 g rms; shock: 50 g (11 ms)

Industrial Control: Used in turbine control, process automation and factory floor data acquisition, providing deterministic real – time processing for critical machinery.
Military & Aerospace: Deployed in avionics subsystems, radar signal processing and weapon control, where high reliability and long – term availability are non – negotiable.
Energy Infrastructure: Applied in power grid monitoring, substation automation and renewable energy (solar/wind) farm control, handling large – scale data and precise timing.
Transportation Systems: Integrated into railway signaling, marine navigation and traffic management, ensuring continuous operation in extreme conditions.
Legacy System Upgrades: It serves as a drop – in replacement for aging VME SBCs in industrial/military systems, extending system life without full redesign.
Medical Equipment: Used in high – precision diagnostic tools and life – support systems that demand stable computing and long – term deployment.

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