The MVME172PA-652SE is a high-performance embedded controller from Motorola based on the VMEbus architecture. With its MC68060 processor, flexible memory configuration, and rich interfaces, it meets the requirements of industrial-grade real-time control. It supports multiple operating systems, hardware redundancy, and expansion capabilities, making it suitable for complex systems with high requirements for reliability and scalability, especially in scenarios that need to be compatible with traditional MC68000 software.
Hardware Specifications and Configuration
1. Processor
Model: 60 MHz MC68060 superscalar microprocessor (RISC hybrid architecture), supporting integer and floating-point operations.
Alternative Model: 64 MHz MC68LC060 (no floating-point operations, suitable for cost-sensitive scenarios).
Compatibility: Binary code compatible with the MC68000 series, preserving users' software investment.
2. Memory System
Main Memory: 32MB configurable SDRAM (with ECC error-correction option).
Non-volatile Memory:
2MB Flash memory (for firmware storage).
128KB battery-backed SRAM (for critical data storage).
8KB NVRAM (with real-time clock, battery-backed).
Expansion Memory: Two 32-pin JEDEC DIP sockets (supporting EPROM modules).
3. Interfaces and Expansion Capabilities
VMEbus Interface:
Supports A16–32 address space, D08–64 data width, compatible with BLT/UAT/MBLT transfer modes.
Controlled by Motorola VMEchip2 ASIC, integrating a local bus DMA controller and inter-processor communication registers (GCSR).
Industrial Expansion Interface (IndustryPack, IP):
Two 16-bit or one 32-bit IP slots, supporting functional modules like I/O, analog/digital control, connected via a 32-bit local bus.
Communication Interfaces:
Serial Ports: 4 x EIA-232-D DTE interfaces (RJ-45 connectors), supporting up to 38.4 kbps, with independent DMA channels per port.
Ethernet: 10BASE-T interface (RJ-45 connector), based on Intel i82596CA controller, supporting local bus DMA.
SCSI: 68-pin high-density interface, based on NCR 53C710 controller, supporting asynchronous (5 MB/s) and synchronous (10 MB/s) transfers.
4. Other Hardware Features
Timers: 6 x 32-bit programmable timers (1 µs resolution), 1 x watchdog timer (triggers reset on timeout).
Debugging and Diagnostics: On-board debug firmware (MVME172FW), remote reset/abort/status control, 4 mailbox interrupts, and shared memory multiprocessing support.
Physical Specifications:
Dimensions: 261.8 mm (height) × 233.4 mm (depth) × 19.8 mm (width).
Power Supply: +5V (max. 2.0A), ±12V (max. 100mA).
Environmental Parameters:
Operating Temperature: -5°C to +55°C (forced air cooling).
Storage Temperature: -40°C to +85°C.
Certifications: FCC Class A, CE EMC Directive 89/336/EEC (Emissions: EN55022 Class B; Immunity: EN55024).
Software Support and Ecosystem
Operating Systems
Compatible with various real-time kernels and embedded systems, including:
Wind River VxWorks
Microware OS-9
Integrated Systems pSOS+
MicrotecVRTX32
Development Tools
Debug package (68KBUG), programming guides, and diagnostic manuals.
Supports system-level development based on VMEbus architecture.
Model and Ordering Information
Model Specifications
MVME172PA-652SE: 60 MHz MC68060 processor, 32MB SDRAM, integrated SCSI and Ethernet interfaces (Petra II version, recommended for new designs).
Other Models:
MVME172PA-642SE (16MB SDRAM).
MVME172PA-642LSE (MC68LC060 processor without floating-point unit).
Documentation
Installation & User Manual: 《MVME172P2 Installation and Usage Manual》 (V172PLXA/IH).
Programmer’s Guide: 《Programmer’s Guide》 (V1X2PLXA/PG).
Diagnostic Tools Manual: User manuals for 172Bug and 68KBUG.
Accessories & Extensions
IndustryPack modules (sold separately).
Fiber optic transceivers and custom cables.
Application Scenarios
Industrial Automation: Factory production line control, distributed data acquisition systems.
Communication Equipment: Embedded control units for switches and routers.
Aerospace: Real-time data processing and control systems (with environmental parameter adaptation).
Test & Measurement: Core controllers for instruments with multi-interface expansion capabilities.
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