I. Basic Specification

MVME167‑001A is a 6U VME single-height industrial single-board computer (SBC) from Motorola/Emerson. It belongs to the standard configuration model of the MVME167 series and is equipped with an MC68040 processor. It has onboard Ethernet, SCSI, multiple serial ports and parallel ports, and is designed for general-purpose embedded industrial control and data acquisition scenarios.

II. Core Processor and Memory

Processor: MC68040RC25, 25 MHz, 32-bit, with built-in hardware FPU, 8KB L1 cache, MMU.

DRAM: 4MB 32-bit, with parity check.

SRAM: 128KB, optional battery backup (power-on retention).

Flash/ROM: 4×44-pin PLCC socket, divided into 2 32-bit storage units, default without fixed system.

NVRAM/RTC: Integrated real-time clock, with battery backup.

III. Board-Built Interfaces

Ethernet: Single 10Mbps, 10BASE-T/AUI, DMA controller.

Serial Port: 4×EIA-232-D, including 1 console, 3 users, up to 115200bps.

SCSI-2: Single-ended, dedicated DMA, up to 20MB/s, can connect 7 peripherals (ID0-6).

Parallel Port: 1×IEEE 1284, supports bidirectional printing / data transmission.

VME Bus: A32/D32, master / slave / system controller, standard anti-interference.

Expansion: No IP module interface, retains PMC expansion slot (optional).

Timer / Watchdog: 6×32-bit programmable timers, hardware WDT.

IV. Electrical and Environmental

Power Supply: +5V DC ±5%, typical 3.5A, maximum 4.5A.

Operating Temperature: 0℃～+55℃ (standard type, non-wide temperature).

Storage Temperature: -55℃～+125℃.

Cooling: Forced air cooling, inlet air speed approximately 100CFM.

Isolation Anti-Interference: Standard level, meets FCC Class A equipment requirements.

V. Structure and Compatibility

Size: 6U VME (233.4×160mm), single high (thickness 20.32mm).

Weight: Approximately 0.7kg.

Compatibility: Pin-compatible with MVME167 series, can be directly replaced with -002A/-003A/-004A.

VI. Firmware and Applications

Firmware: Supports 162Bug/167Bug monitoring firmware, serial port configuration, memory read/write, reset boot.

Applicable: Industrial automation, data acquisition, motion control, embedded system development, general-purpose VME bus control board.