PB3-VME-1-E V1.2.2 | VMEbus Controller/Interface Board

Product Model **PB3-VME-1-E V1.2.2**
Manufacturer SST (Silicon Storage Technology, Inc.)
Product Type VMEbus Controller/Interface Board
Bus Standard VME64 (ANSI/VITA 1-1994)
Processor Motorola 68000-series compatible CPU
Clock Speed Up to 50 MHz (configurable)
Memory 8 MB SDRAM, 2 MB Flash
I/O Interfaces 2x RS-232/485, 16-bit digital I/O, Ethernet 10/100
Operating Temperature -40°C to +85°C
Power Supply +5 VDC ±5%, 1.5A typical
Certifications CE, FCC Class A, RoHS
Dimensions 160 mm x 233 mm (6U VME form factor)
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Description

Technical Specifications

Product Model **PB3-VME-1-E V1.2.2**
Manufacturer SST (Silicon Storage Technology, Inc.)
Product Type VMEbus Controller/Interface Board
Bus Standard VME64 (ANSI/VITA 1-1994)
Processor Motorola 68000-series compatible CPU
Clock Speed Up to 50 MHz (configurable)
Memory 8 MB SDRAM, 2 MB Flash
I/O Interfaces 2x RS-232/485, 16-bit digital I/O, Ethernet 10/100
Operating Temperature -40°C to +85°C
Power Supply +5 VDC ±5%, 1.5A typical
Certifications CE, FCC Class A, RoHS
Dimensions 160 mm x 233 mm (6U VME form factor)

Key Features and Advantages

The **PB3-VME-1-E V1.2.2** integrates real-time industrial communication with legacy VMEbus compatibility. Its FPGA-based architecture allows firmware reconfiguration (via V1.2.2 firmware) for custom protocol support. Dual redundant boot sectors ensure fail-safe firmware updates. The board supports **VME64x** extensions for CRC error checking and 2eSST data transfers up to 320 MB/s. Ruggedized design includes conformal coating for humidity and vibration resistance (tested to MIL-STD-810G).

Onboard diagnostics include temperature monitoring and voltage supervision. The **PB3-VME-1-E**’s backward compatibility with 68000 assembly code enables seamless migration of legacy control systems. SST’s proprietary **FlashFlex®** technology allows in-field flash memory updates without downtime.

SST-PB3-PMU-2  

Application Areas

Deployed in legacy industrial automation for CNC machine retrofits, nuclear power plant control systems, and military radar interfaces. Used as a bridge between modern Ethernet/IP networks and VME-based legacy subsystems in transportation signaling. Also serves in telecom infrastructure for base station control modules requiring MIL-SPEC reliability.

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Installation and Maintenance

**Installation**: Ensure proper VME backplane termination and grounding. Use SST’s **VMEConfig** software to assign logical addresses (A32/A24/A16 spaces). For firmware updates, connect via JTAG interface and verify checksums post-flashing.

**Maintenance**: Replace electrolytic capacitors every 7-10 years in continuous operation. Monitor FPGA core temperature via onboard sensor (accessible at register 0xFFF204). Clean edge connectors annually with non-abrasive contact cleaner. Archive legacy firmware versions before upgrading to V1.2.2.

Product Support

SST provides legacy support through its **Long-Term Availability Program**, guaranteeing spare parts for 15+ years. The **PB3-VME-1-E V1.2.2** is backward-compatible with earlier firmware (V1.1.x) but requires hardware revision check. Contact SST’s Industrial Solutions Group for obsolescence mitigation strategies or migration to modern VPX platforms.

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