Xycom XVME-630 68030
Xycom XVME-630 68EC030 Processor Module Overview
1. Product Positioning
Category: VME-bus 3U single-slot processor board, part of Xycom’s cost-effective CPU module series.
Core Chip: 25 MHz 68EC030 CPU (compatible with 68030) with an integrated math coprocessor.
Primary Use: Provides essential processing capability and configurable memory for industrial control, embedded computing, and data acquisition systems that require VME-bus interfacing.
2. Key Technical Specifications
| Item |
Specification / Description |
| CPU |
25 MHz 68EC030 (compatible with 68030) |
| Memory Sockets |
12 × 32-pin memory sites supporting EPROM, static RAM, or Flash combinations |
| Clock |
On-board real-time clock with battery backup |
| Serial Ports |
2 × RS-232C serial ports |
| Math Coprocessor |
Built-in 68EC030 math coprocessor |
| Interrupt System |
On-board interrupt controller |
| Form Factor |
3U single-slot VME-bus module |
| Operating Temperature |
–40 °C to +70 °C (industrial-grade) |
| Power Supply |
Standard VME-bus power (+5 V, +12 V, etc.) |
(The above information is directly quoted from Xycom’s official data manual.)
3. Hardware Features and Advantages
- Low Cost and Easy Integration:
Compared with higher-end models such as the XVME-601/6010 series, the XVME-630 uses a simplified PCB layout and standardized memory sites, offering a more competitive cost structure.
- Flexible Memory Configuration:
Twelve memory positions allow a variety of configurations (EPROM + SRAM / Flash), enabling users to customize capacity according to application needs.
- Comprehensive I/O:
Equipped with two RS-232C serial ports for standard serial communications; the on-board real-time clock provides reliable timekeeping.
- Math Coprocessor Support:
The integrated 68EC030 math coprocessor enhances floating-point performance, making the module suitable for control algorithms requiring numerical computation.
- Industrial-Grade Reliability:
Wide operating temperature range (-40 °C to +70 °C) meets the environmental requirements of most industrial automation applications.
4. Typical Application Scenarios
| Scenario |
Description |
| Industrial Automation Control |
Serves as the core processor in PLC/DCS modules, providing real-time control and data acquisition. |
| Embedded Measurement & Control Systems |
Used in laboratory or field instruments where VME-bus parallel transmission enables high-speed data acquisition. |
| Legacy VME System Upgrades |
Offers a cost-effective CPU replacement for existing VME-bus equipment, extending system service life. |
| Educational & R&D Platforms |
Compatible with the 68k instruction set, ideal for teaching, experimentation, and prototype development. |
Summary
The Xycom XVME-630 is a cost-effective 68EC030 processor module designed for industrial VME-bus environments. Featuring flexible memory options, standard serial interfaces, and an on-board real-time clock, it provides a reliable and economical solution for automation control, embedded measurement systems, and legacy VME system modernization.

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