MOTOROLA MVME55006E-0163 单板计算机 因此两个 PMC 站点都能够进行 66 MHz 操作

MOTOROLA  MVME55006E-0163  单板计算机艾默生/摩托罗拉 MVME5500 系列 VMEbus 单板计算机旨在满足 OEM 的需求，包括国防和航空航天、工业自动化和医疗成像细分市场。希望为其应用程序进行技术更新，同时保持与现有 VMEbus 基础架构的向后兼容性的客户可以升级到 MVME5500 系列并利用增强的性能功能。

MVME5500 采用运行频率为 1 GHz 的 MPC7457 处理器，非常适合数据密集型应用。MVME5500 提供的不仅仅是更好的处理器性能;它还通过处理器、内存、双独立本地总线和 I/O 子系统提供平衡的性能。

功能强大的Marvell系统控制器支持133 MHz主机总线和133 MHz SDRAM内存总线，与高速处理器完美匹配。为了将系统 I/O 与出色的处理器性能相匹配，MVME5500 提供了双 64 位、33/66 MHz PCI 总线。每个 PCI 总线都有一个 PMC 站点，支持以 33 或 66 MHz 频率运行的卡。Universe II VME 接口和 PMC 跨频连接器在专用的 33 MHz PCI 总线段上与 PMC 站点隔离，因此两个 PMC 站点都能够进行 66 MHz 操作。

MVME5500 还提供一个千兆以太网接口、一个 10/100BaseTX 以太网接口和两个串行端口。所有这些加起来就是一组均衡的高性能子系统，可实现无与伦比的性能。

MPC7450 series PowerPC processor with frequency of 1 GHz
12kb on-chip L2 cache and 2 MB L3 cache
AltiVec coprocessor for high performance computing applications
Two groups of welding flash memory
Dual independent 64-bit PCI bus and PMC site
Emerson/Motorola MVME5500 series VMEbus single-board computers are designed to meet the needs of OEMs, including defense and aerospace, industrial automation and medical imaging market segments. Customers who want to update their applications, while maintaining backward compatibility with existing VMEbus infrastructure, can upgrade to MVME5500 series and take advantage of enhanced performance features.

The MVME5500 uses the MPC7457 processor running at 1 GHz, which is very suitable for data-intensive applications. MVME5500 provides more than just better processor performance; It also provides balanced performance through processor, memory, dual independent local buses and I/O subsystem.

The powerful Marvell system controller supports 133 MHz host bus and 133 MHz SDRAM memory bus, which perfectly matches the high-speed processor. In order to match the system I/O with excellent processor performance, MVME5500 provides dual 64-bit, 33/66 MHz PCI buses. Each PCI bus has a PMC site, which supports cards running at 33 or 66 MHz. Universe II VME interface and PMC cross-frequency connector are isolated from PMC site on dedicated 33 MHz PCI bus segment, so both PMC sites can operate at 66 MHz.

The MVME5500 also provides a gigabit Ethernet interface, a 10/100BaseTX Ethernet interface and two serial ports. All these add up to a set of balanced high-performance subsystems, which can achieve unparalleled performance.

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