MT8920B - ST-BUS Parallel Access Circuit

Product Overview

Mitel Networks Corporation

Datasheet Details

Part number	MT8920B
Manufacturer	Mitel Networks Corporation
File Size	482.87 KB
Description	ST-BUS Parallel Access Circuit
Datasheet	MT8920B Datasheet
Additional preview pages of the MT8920B datasheet.

Product details

Description

The ST-BUS Parallel Access Circuit (STPA) provides a simple interface between Mitel’s ST-BUS and parallel system environments. Applications Parallel control/data access to T1/CEPT digital trunk interfaces Digital signal processor interface to ST-BUS Computer to Digital PABX link Voice store and forward systems Interprocessor communications D7-D0 A4-A0 Tx0 Dual Port Ram 32 X 8 Parallelto-serial Converter STo0 C

Features

High speed parallel access to the serial ST-BUS Parallel bus optimized for 68000 µP (mode 1) Fast dual-port RAM access (mode 2) Access time: 120 nsec Parallel bus controller (mode 3) - no external controller required Flexible interrupt capabilities - two independent/programmable interrupt sources with auto-vectoring Selectable 24 and 32 channel operation Programmable loop-around modes Low power CMOS technology ISSUE 6 June 1996 Ordering Inform.

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Published: May 22, 2009 |