CPU module "CREDO-3"

CPU module CREDO-3

CREDO-3 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 in other systems, working in hard environments.

Central processor and architecture

	IBM PC compatible architecture.
	100 MHz Intel486 compatible CPU AM486DX4-100 with 16 Kbytes of internal cache.

Memory

	2 Mb Static RAM with one wait-state and burst-mode support.
	2 Mb flash-ROM with build-in programming and erasing faculties.
	8 Kb Non-volatile RAM.

Interfaces

	External interface logically compatible with ISA-bus. Electrical load up to 60 mA.
	2 RS-232 serial channels with standard transceivers and transfer speed up to 120 Kbps.

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: 3U, overall dimensions 100x167x13 (mm) mass not exceeding 150 gr.
	DIN 41612 Harbus64-type connector (5 rows, 160 contacts).
	Conduction cooled version of this module is also available.

External environment

Operating temperature:

	conduction cooled: from -40°C to +65°C, short-time increased temperature (not longer than 30 min.): +70°C;
	air cooled: from -40°C to +75C.

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

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

Lowered pressure: 5 mm hg.

Vibration (sinusoidal from 5 to 2000 Hz):

	standard version: up to 10g;
	rugged version: up to 15g.

Shock:

	standard version: up to 20g;
	rugged version: up to 40g.

Last updated: 02.17.2000