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IEC 60821:1991 ED2

VMEbus - Microprocessor system bus for 1 byte to 4 byte data IEC 60821:1991 ED2

Publication date:   Dec 17, 1991

General information

60.60 Standard published   Dec 17, 1991

IEC

ISO/IEC JTC 1/SC 25

International Standard

31.080.01   Semiconductor devices in general | 35.200   Interface and interconnection equipment | 35.160   Microprocessor systems

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Scope

Describes a high-performance backplane bus for use in microprocessor bases systems. This parallel bus supports single- and block-transfer cycles on a 32-bit non-multiplexed address and data highway. Transmission is governed by an asynchronous handshaken protocol. The bus allocation provides for multiprocessor architectures. This bus also supports inter-module interrupts for facilitating quick response to internal and external events. The mechanics of the boards and chassis are based on IEC 60297. Note: -1.This bus is similar to the VME bus. 2.For the price of this publication, please consult the ISO/IEC price-code list.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60821:1987 ED1

NOW

PUBLISHED
IEC 60821:1991 ED2
60.60 Standard published
Dec 17, 1991

CORRIGENDA / AMENDMENTS

PUBLISHED
IEC 60821:1991/AMD1:1999 ED2