AN968 datasheet(1/4 Pages) STMICROELECTRONICS

No. de pieza	AN968

Descripción Electrónicos	VMEbus TIMEKEEPER

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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July 2012

Doc ID 6255 Rev 2

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AN968

Application note

VMEbus TIMEKEEPER® requirements

Introduction

Surface-mount TIMEKEEPER® devices, from STMicroelectronics, are designed explicitly for

inclusion on CPU boards. A typical arrangement is shown in Figure 1.

Figure 1.

CPU module with a TIMEKEEPER device

AI02489

Local Microprocessor

VMEbus

Bus Interface

Shared Memory

TIMEKEEPER

Bridge

PCI Bus

ISA Bus

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