MVME162-13 (Motorola/Emerson)

Position: An upgraded version of MVME162-12 - 25 MHz, with FPU, 4MB, with SCSI, no network interface; 12 without FPU, 13 with FPU, same memory / same SCSI / no network.

I. Basic Information

Model: MVME162-13

Brand: Motorola / Emerson

Form: 6U VME64 single-board computer (SBC)

CPU: MC68040 @ 25 MHz (✅ with FPU for floating-point, MMU, 8KB Cache)

Core Differences: With FPU, no network interface, 4MB, with SCSI (12 without FPU, 043 with network but no SCSI)

II. Core Hardware Specifications

1) Processor

MC68040, 25 MHz

✅ With FPU (hardware floating point); ✅ MMU + 8KB unified cache

Performance: Approximately 15 MIPS + hardware floating point, capable of running complex algorithms

2) Memory

DRAM: 4 MB (parity)

SRAM: 512 KB, battery backup

Flash: 1 MB

NVRAM/RTC: 8 KB + real-time clock, battery backup

3) I/O Interfaces (Key Points: With FPU, With SCSI, No Network Ports)

VMEbus: VME64 A32/D32, Master/Slave, DMA, System Controller

Ethernet: ❌ No onboard network (IP network card expansion)

Serial Port: 2×RS-232 (Console + Configurable)

SCSI: ✅ Single-channel SCSI (with DMA)

IP Slot: 4×IndustryPack (IP) expansion slots

Parallel Port: 8-bit bidirectional

4) Electrical / Environmental

Power Supply: +5 V @ 3.5 A

Operating Temperature: 0 ℃ ~ +70 ℃

Size: 6U VME (233 × 160 mm)

III. 10/12/13/043 Minimal Comparison (Plain Text)

10: LC040/25/❌FPU/4MB/❌Network /❌SCSI → Most Basic

12: LC040/25/❌FPU/4MB/❌Network /✅SCSI → 10 + SCSI

13: 040/25/✅FPU/4MB/❌Network /✅SCSI → 12 + FPU

043: LC040/25/❌FPU/8MB/✅10M Network /❌SCSI → 10 + Memory + Network

IV. Functional Features

12 Enhanced Floating Point Version: Add hardware FPU on the basis of 12, supporting floating-point operations

With SCSI, No Network Ports: Can connect hard drives / CD-ROMs, no onboard network

4MB Memory, Dual Serial Ports, 4 IP Slots: Basic configuration, expandable network ports / analog quantities

Complete Power Protection: SRAM/NVRAM/RTC battery backup

V. Typical Applications

Requires floating-point + local storage for control: Motion control, algorithm operation, storing data with SCSI

MVME162-12 System Upgrade: Upgrade from 12 to 13, retain architecture, add floating-point

Industrial Equipment with Complex Logic + Local Logging: No network, calculate with FPU, store with SCSI