MOTOROLA MVME2400 series VME processor module

The MVME2400 series is a VME bus processor module launched by Motorola based on the PowerPC 750 32-bit processor. Its core configuration includes 233/350/450 MHz clock frequency options, 32KB/32KB L1 cache+1MB L2 cache, 32MB-512MB ECC SDRAM main memory, 1MB firmware Flash+8MB user Flash, and 8KB NVRAM/RTC with live pool backup; Equipped with dual IEEE P1386.1 compliant PMC expansion slots, 10/100Mb/s Ethernet interface, 1 asynchronous serial port, supporting VME64 bus specification (A16-A32 address, D08-D64 data), integrating 4 32-bit timers, 1 16 bit timer, and 1 watchdog timer, with low power consumption and high reliability characteristics (MTBF average 190509 hours), suitable for various industrial embedded applications, and supporting flexible PMC module customization and expansion.

Product Core Positioning and Architecture

Product positioning: The MVME2400 series is a VME bus processor module based on the Motorola PowerPlus II architecture, designed specifically for industrial embedded applications. With low power consumption, high reliability, and flexible scalability as its core advantages, it supports rapid customization and adaptation to different industry needs through PMC modules.

Core architecture: Adopting a decoupling design of processor/memory bus and PCI bus, integrating PCI to VME bridge (Tundra Universe 2.0 controller) and PCI to ISA bridge (W83C553), supporting 100MHz operation on the local bus, compatible with SDRAM technology, and maximizing the performance of PowerPC processors.

Detailed explanation of hardware core specifications

(1) Processor and cache

table

Parameter configuration details

Processor model PowerPC 750 (32-bit)

Main frequency options 233 MHz, 350 MHz, 450 MHz

First level cache (I/D) 32KB/32KB

Second level cache 1MB backend cache (Backside L2 Cache)

L2 cache bus frequency 233MHz processor: 116.67MHz; 350MHz processor: 140MHz; 450MHz processor: 180MHz

Performance indicators (estimated) 233MHz: SPECint95 10.2, SPECfp95 8.2; 350MHz：SPECint95 15.4、SPECfp95 10.5； 450MHz：TBD

(2) Storage system

table

Storage type configuration parameters

Main memory (SDRAM) capacity: 32MB-512MB; Type: PC100 ECC SDRAM; Bus frequency: 100MHz; Architecture: 64 bit single interleaved

Single cycle read of access performance: 10 cycles; Single cycle writing: 5 cycles; Read burst (idle): 7-1-1-1; Read burst (alignment page hit): 2-1-1-1; Write burst (idle): 4-1-1-1; Write burst (alignment page hit): 2-1-1-1

Flash memory firmware Flash: 1MB (2 32 pin PLCC/LCC slots); User Flash: 8MB (surface mount)

Flash access performance 8MB port: 32 byte burst read for 70 cycles; 1MB port: 32 byte burst read 262 cycles

NVRAM/RTC capacity: 8KB (4KB available to users); Device: M48T559; Battery: replaceable SNAPHAT battery; Storage life: 50 years at 55 ℃; Working life: 10 years under 100% duty cycle

(3) Clock and Timer

Real time clock (TOD): integrated into M48T559 NVRAM device, supports timestamp recording

Timer configuration: 4 32-bit programmable timers (flexible timing/counting), 1 16 bit timer

Watchdog timer: programmable timeout, triggering system reset after timeout

(4) Power supply and physical characteristics

table

Category specific parameters

Power input 5V ± 5%, ± 12V requirement depends on PMC module

Current specifications 233MHz/350MHz: typical 4.5A, maximum 5.5A; 450MHz: typical 3.93A, maximum 4.31A

Physical dimension height: 233.4mm (9.2in); Depth: 160.0mm (6.3in); Width: 261.8mm (10.3in); Thickness: 19.8mm (0.8in)/14.8mm (0.58in)

Environmental adaptability working temperature: 0 ° C-55 ° C; non working temperature: -40 ° C-70 ° C; working humidity: 5% -85% (non condensing); Non working humidity: 5% -95% (non condensing); Vibration (working): 1G sine scan 5-100Hz; Vibration (non working): 0.5G sine scan 5-50Hz, 3G sine scan 50-500Hz

Interface and Expansion Capability

(1) Bus interface

table

Bus type core parameters

VMEbus controller: Tundra Universe 2.0; DTB Master: A16-A32 address, D08-D64 data, supports block transfer (BLT); From device (DTB Slave): A24-A32 address, D08-D64 data, supporting BLT and UAT; Arbitration method: RR (polling)/PRI (priority); Interrupt: Level 7 interrupt handling/generation; System controller: supports jumper or automatic detection; Location monitoring: 2 32-bit LMA

PCI bus local bus frequency: 33MHz; Signal level: 5V; expansion connector: 114 pins, supports A32/D32/D64

(2) Communication interface

Ethernet interface: 10/100Mb/s speed, DEC 21143 controller, supports PCI local bus DMA, RJ-45 front connector

Asynchronous serial port: 1, 16550 compatible, EIA-574 DTE configuration; Maximum baud rate: 38.4Kbps in EIA-232 protocol, 115Kbps in raw mode

(3) Expansion slot

PMC expansion slots: 2, compliant with IEEE P1386.1 standard; Support front-end panel I/O and P2 I/O; Single slot maximum power consumption 7.5W; supports+3.3V,+5V, ± 12V power supply; Can install 2 single width PMCs or 1 double width PMC; P2 I/O is only accessible by the VME64 expansion connector system (slot 2 only)

PCI Expansion: 114 pin PCI expansion connector, supporting further expansion of PCI devices

Software and Compliance Features

Software support: Compatible with multiple real-time operating systems and kernels, providing board level support packages (BSP), supporting PPC bug debugging firmware and diagnostic tools.

Security and EMC Compliance:

Safety specification: PCB flame retardant rating UL 94V-0

EMC compliance: FCC Part 15 Subpart B Class A in the United States; Canadian ICES-003 Class A; European CE mark (EN55022 Class B emission, EN50082-1 immunity)

Main models (450MHz main frequency series)

Model configuration details

MVME2400-0323 32MB ECC SDRAM， 1101 configuration

MVME2400-0331 64MB ECC SDRAM, Scanbe configuration

MVME2400-0333 64MB ECC SDRAM， 1101 configuration

MVME2400-0341 128MB ECC SDRAM, Scanbe configuration

MVME2400-0343 128MB ECC SDRAM， 1101 configuration

MVME2400-0351 256MB ECC SDRAM, Scanbe configuration

MVME2400-0353 256MB ECC SDRAM， 1101 configuration

MVME2400-0361 512MB ECC SDRAM, Scanbe configuration

MVME2400-0363 512MB ECC SDRAM， 1101 configuration