Emerson MVME5100 Series VME Bus Processor Module

Emerson MVME5100 Series VME Bus Processor Module

Core hardware configuration and performance

1. Processor and cache

The module is equipped with two types of PowerPC microprocessors, MPC7410 or MPC750, with core parameter differences as shown in the table below. Both types of processors are equipped with 32KB/32KB L1 cache to ensure basic data processing efficiency.

Processor model, clock frequency, L2 cache

MPC7410、400/500 MHz、2MB

MPC750、450 MHz、1MB

2. Memory and Storage

Main memory: PC100 ECC SDRAM is used, with a maximum onboard capacity of 512MB, which can be expanded to 1.5GB through RAM500 memory expansion module. The memory bus frequency is 100MHz, supporting efficient data read and write, with a page alignment hit speed of 2-1-1-1 in read burst mode and the same speed in write burst mode. It supports 10 read/5 write operations per cycle.

Flash memory: With a total capacity of 17MB, it consists of two parts: 1MB (2 32 pin PLCC/LCC slots) and 16MB (surface mount). The 16MB port requires 70 clock cycles for a 32 byte burst read, while the 1MB port requires 262 clock cycles.

Non volatile memory (NVRAM): Capacity 32KB (user usable 4KB), equipped with a real-time clock (TOD Clock, using M48T37V device) with replaceable battery backup; The storage life is up to 50 years at 55 ° C, and the service life is 5 years at 25 ° C and 100% duty cycle.

3. Core architecture and bandwidth

Based on Emerson's independently designed integrated PCI bridge memory controller ASIC, the PowerPlus II architecture significantly improves memory performance: memory read bandwidth of 582MB/s, burst write bandwidth of 640MB/s, and supports a full PCI throughput of 264MB/s, avoiding performance bottlenecks caused by insufficient memory resources in the processor.

I/O interface and scalability

1. Basic I/O interface

Network: Dual Intel 82559ER controllers, supporting 10BaseT/100BaseTX Ethernet, with one interface fixed to the front (RJ-45) and the other able to be connected to the MVME761 adapter module through the front or P2 interface.

Serial port: Dual 16550 compatible asynchronous serial port, supports RS-232 DTE/DCE configuration, maximum baud rate of 38.4Kbps (EIA-232 standard) or 115Kbps (raw mode), one front-end (RJ-45) and one for development use.

Timer: 4 32-bit programmable real-time timers/counters, 1 watchdog timer (timeout triggered reset).

2. PMC expansion capability

Equipped with dual IEEE P1386.1 compatible 32/64 bit PMC slots, supporting 2 single width or 1 dual width PMC module, with a maximum power consumption of 7.5W per slot, supporting+3.3V,+5V, ± 12V power supply, and a PCI bus frequency of 33MHz.

An additional 64 bit PCI expansion mezzanine connector is provided, which can expand up to 4 PMC modules to meet high customization I/O requirements.

3. P2 I/O mode and compatibility module

Dual mode configuration: Supports PMC and IPMC P2 I/O modes through jumper cables. PMC mode is compatible with MVME2300/2400, providing 64 pin PMC slot 1 and 46 pin PMC slot 2 for rear I/O; IPMC mode requires the installation of IPMC761/712 module in PMC slot 1, which is compatible with the old MVME761/712M I/O module (supporting limited PMC I/O). At this time, some signals in PMC slot 2 are reserved for expanding SCSI.

IPMC module functionality: IPMC761 and IPMC712 are optional PMC modules that provide rear I/O support for SCSI (8-bit/16 bit Ultra Wide), parallel ports, and multiple serial ports (asynchronous/synchronous combination) to ensure compatibility with previous generation products, while retaining memory mezzanine, 1 PMC slot, and PMCspan for OEM customization.

4. Transition Modules

MVME761: Provides IEEE 1284 parallel port (HD-36 interface), 10/100 Ethernet (RJ-45), 2 asynchronous serial ports (DB-9, EIA-574 DTE), 2 synchronous/asynchronous serial ports (HD-26, EIA-232 DCE/LTE can be configured through SIM module), and requires a 3-row/5-row P2 adapter board (5-row supports 16 bit SCSI and PMC I/O).

MVME712M: Supports Centronics parallel ports, narrow SCSI ports, 4 synchronous/asynchronous serial ports (DB-25, configurable EIA-232 DCE/LTE), 3-row P2 adapter board supports 8-bit SCSI, dedicated 5-row adapter board can expand access to additional user-defined I/O pins of VME64.

Software support

1. Firmware Monitor

Integrating Emerson's mature embedded VME firmware, in addition to completing traditional testing, initialization, and operating system boot functions, it also has extended features: power on self-test with comprehensive diagnosis, providing powerful evaluation and debugging tools (supporting low-level checks and advanced development debugging assistance), as well as supporting operating system and kernel boot.

2. Compatible with operating systems

Supports multiple mainstream embedded operating systems, including VxWorks from Wind River Systems, Integrity from Green Hills, and Linux systems provided by multiple partners, to meet the software ecosystem requirements of different application scenarios.

Physical and Environmental Specifications

1. Size and power supply

Dimensions: Board height 233.4mm (9.2 inches), depth 160.0mm (6.3 inches), width 19.8mm (0.8 inches), front panel height 261.8mm (10.3 inches), maximum component height 14.8mm (0.58 inches), fully configured (2 PMC modules+2 memory compartments) still only occupies 1 VME slot.