MT8920BP1 Zarlink Semiconductor, MT8920BP1 Datasheet

MT8920BP1

Manufacturer Part Number

MT8920BP1

Description

Manufacturer

Zarlink Semiconductor

Datasheet

1.MT8920BP1.pdf (28 pages)

Specifications of MT8920BP1

Case

PLCC28

Notes

NEW

Date_code

10+

Current page: 1 of 28
Download datasheet (622Kb)

Features

•

Applications

•

BUSY, DCS

High speed parallel access to the serial

ST-BUS

Parallel bus optimized for 68000 µP (mode 1)

Fast dual-port RAM access (mode 2)

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

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

IACK, MS1

IRQ, 24/32

A5, STCH

R/W, WE

DTACK,

D7-D0

A4-A0

DS, OE

Access time: 120 nsec

MMS

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

Interface

Registers

Parallel

Interrupt

Control

Port

Figure 1 - Functional Block Diagram

Zarlink Semiconductor Inc.

Dual Port Ram

32 X 8

Rx0

Tx0

Tx1

The ST-BUS Parallel Access Circuit (STPA) provides

a simple interface between Zarlink’s ST-BUS and

parallel system environments.

Description

MT8920BE

MT8920BP

MT8920BS

MT8920BE1

MT8920BP1

MT8920BS1

MT8920BPR1 28 Pin PLCC*

ST-BUS Parallel Access Circuit

Generator

Address

Ordering Information

*PB Free Matte Tin

-40°C to 85°C

Converter

Serial-to-

Parallel-

to-Serial

to-serial

28 Pin PDIP

28 Pin PLCC

28 Pin SOIC

28 Pin PDIP*

28 Pin PLCC*

28 Pin SOIC*

Parallel

Comp/

MUX

MT8920B

Data Sheet

Tubes

Tape & Reel

August 2005

STo0

STi0

STo1

F0i

C4i

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