1. General Description

2. Core Specifications

• Processor: MC68LC040 @ 25 MHz, no FPU, integrated 8KB cache and MMU

• DRAM: 4 MB parity checked DRAM, expandable to 8 MB

• Battery-backed SRAM: 512 KB

• Flash Memory: 1 MB, for 162BUG boot monitor firmware

• NVRAM / RTC: 8 KB non-volatile RAM integrated with real-time clock, battery backup supported

• VMEbus: Compliant with VMEbus standard, supports A32/D32, master/slave operation, system controller capable

3. Onboard Interfaces

• IndustryPack: 4 single-width IP slots, compatible with analog, digital, serial and fieldbus IP modules

• SCSI-2: 50-pin narrow SCSI-2 with DMA controller, supports SCSI hard disk and peripheral storage devices

• Ethernet: 10 Mbps, dual interface AUI / 10BASE-T

• Serial Ports:

  • 1 × Console port: EIA-232-D

  • 1 × Configurable port: EIA-232-D / EIA-530

• Onboard Resources: Multi-channel programmable timer and watchdog timer

• Front Panel: Status LED indicators, reset switch and abort switch

4. Mechanical and Environmental

• Form Factor: 6U VMEbus single slot board

• Operating Temperature: 0°C ~ +55°C industrial screened grade

• Storage Temperature: -40°C ~ +85°C

• Humidity: 5% ~ 95% non-condensing

• Rugged Feature: Enhanced power filtering, improved anti-interference, industrial component screening, higher vibration and noise immunity compared with standard MVME162-023

5. Firmware and Software Support

• Boot Firmware: 162BUG monitor

• Supported Operating Systems: VxWorks, LynxOS, OS-9, pSOS+ and other real-time operating systems

• Functions: Power-on self-test, memory and VME address mapping, serial console debugging, configuration of SCSI, Ethernet and IP modules, watchdog control

6. Model Comparison

• MVME162-020: 4×IP, no SCSI, no Ethernet

• MVME162-021A: 4×IP + SCSI, no Ethernet, industrial version

• MVME162-022A: 4×IP + Ethernet, no SCSI, industrial version

• MVME162-023: 4×IP + SCSI + Ethernet, standard commercial version

• MVME162-023A: 4×IP + SCSI + Ethernet, full function industrial high-reliability version

7. Typical Applications

• Rugged industrial VME systems requiring network, local storage and multi-I/O expansion

• DCS industrial automation and large equipment control

• Real-time data acquisition and onboard SCSI data logging

• Military, aerospace and harsh environment embedded control

• Direct replacement and upgrade for legacy MVME162 series boards

8. Maintenance Notes

• Replace the onboard backup battery periodically to prevent SRAM and RTC data loss

• Configure VME master/slave mode, IP mapping and SCSI ID via onboard jumpers

• Check SCSI termination resistance, Ethernet connection and IP module installation before power-on