Description

MVME5500: NXP® MPC7457 VME Single Board Computer (SBC)

The MVME5500 is the flagship of our VME product line, enabling higher levels of performance in a single VMEbus slot.

1. Core Specifications & Key Features

Processor: MPC7457 PowerPC® processor operating at 1 GHz
Cache Memory:
- 512 KB of on-chip L2 cache
- 2 MB of L3 cache
Coprocessor: AltiVec coprocessor (optimized for high-performance computational applications)
Flash Memory: Two banks of soldered EEPROM (on-board programmable)
- Total capacity: 40 MB (32 MB + 8 MB)
- Write protection: 32 MB surface-mount flash is write-protectable via jumper
Main Memory: PC133 ECC SDRAM
- Speed: 133 MHz
- Configuration: 512 MB across two banks
NVRAM:
- Capacity: 32 KB (4 KB available for user applications)
- Cell Storage Life: 50 years at 55 °C
- Cell Capacity Life: 5 years at 100% duty cycle (25 °C)
- Removable Battery: Included
PCI Buses & PMC Support:
- Dual independent 64-bit PCI buses (33/66 MHz)
- Each PCI bus includes a PMC site (supports 33/66 MHz operation)
- 64-bit PCI expansion mezzanine connector (supports up to 4 additional PMCs)
- Support for Processor PMCs (PrPMCs)
- Isolation: Universe II VME interface and PMCspan connector are isolated from PMC sites via a dedicated 33 MHz PCI bus segment (ensures 66 MHz capability for PMC sites)
Network Interfaces:
- 1 x Gigabit Ethernet interface
- 1 x 10/100BaseTX Ethernet interface
Serial Ports: 2 x serial ports
I/O Compatibility: Backward compatibility with the MVME51xx family
Counters/Timers:
- TOD Clock Device: M48T37V
- Real-Time Timers/Counters: 8 x 32-bit programmable timers
- Watchdog Timer: Generates reset on time-out

2. System Architecture

System Controller: Marvell GT-64260B
- Supports 133 MHz host bus
- Supports 133 MHz SDRAM memory bus (optimized for high-speed processor performance)
VMEbus Interface: Compliant with ANSI/VITA 1-1994 VME64 (IEEE STD 1014)
- Controller: Tundra Universe II
- DTB Master: A16-A32 address range; D08-D64 data width; supports SCT, BLT
- DTB Slave: A24-A32 address range; D08-D64 data width; supports BLT, UAT
- Arbiter: RR/PRI (Round Robin/Priority)
- Interrupt Handler/Generator: IRQ 1-7 (supports any one of seven IRQs)
- System Controller: Jumperable or auto-detectable
- Location Monitor: 2 x LMA32

3. Target Applications & Use Cases

The MVME5500 series is engineered to meet the needs of Original Equipment Manufacturers (OEMs) across key industries, including:

Defense and aerospace
Industrial automation
Transportation

It is ideal for customers seeking:

A technology refresh for existing applications
Backward compatibility with legacy VMEbus infrastructure
Enhanced performance while maintaining operational continuity

4. Transition Modules: MVME761

The MVME761 transition module provides industry-standard connector access to the following interfaces:

1 x IEEE 1284 parallel port
1 x 10BaseT/100BaseT port (via RJ-45 connector)
2 x DB-9 connectors (asynchronous serial ports, configured as EIA-574 DTE)
2 x HD-26 connectors (sync/async serial ports, labeled “Serial 3” and “Serial 4” on the faceplate)
- Individual user-configurability: EIA-232, DCE, or DTE (via SMART EC Serial Interface Modules/SIMs

MVME5500 PDF
mvme5500_DS_2002

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3. Returned products must have all original packaging and be in good condition.

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