CPU module CREDO-486 

CREDO-486 is a single-board computer with IBM PC compatible architecture. It is intended for using as embedded computer in automatic and automated control systems of mobile objects (such as aircrafts, ships, railway and automotive transport and etc), industrial control and data collection systems,  as well as other systems, working in hard environments.

  Central processor and architecture

IBM PC compatible architecture.

CPU: Intel486SX25, Intel486DX25, Intel486DX2-50, Intel486SXSA25, Intel486DXSA2-50 or Intel486DX4-75 with 25 MHz external clock.

  Memory

1 Mb Static RAM with no wait-state and burst-mode support.

256 Kbyte flash-ROM for system software.

256 Kbyte flash-ROM for user software.

8 Kb Non-volatile RAM.

  Interfaces

External interface logically compatible with ISA-bus. Electrical load up to 20 mA.

2 RS-232 serial channels with standard transceivers and transfer speed up to 120 Kbps, optional RS-485 optically isolated transceiver.

  Additional features

A set of IBM PC compatible peripheral devices, such as: real-time clock with 114 byte CMOS-memory, three channel timer/counter, two channel interrupt controller.

Programmable watch-dog timer.

Two voltage power monitor.

  Power supply

Power supply voltage +5 V ± 5%.

Power consumption not exceeding 10 Watt.

  Mechanical characteristics

Form factor: ARINC600".

Overall dimensions 170x255x20 mm.

Mass not exceeding 250 gr.

  External environment

Operating temperature:

Storage temperature: from -50°C to +125°C.

Vibration (sinusoidal from 5 to 2000 Hz)  up to 5 g.

Shock 20g peak sawtooth, 11 mS duration.

Humidity up to 100% RH with temperature +35°C.

Lowered pressure: 5 mm hg.