TP3465VSLASH63SN datasheet(2/19 Pages) TI1

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TLH10803

July 1999

TP3465 MICROWIRE TM Interface Device (MID)

General Description

The MICROWIRETM Interface Device MID gives a general

microprocessor (such as National Series 32000

proces-

sors Intel 80C188 80C86 or 80286 Motorola 6800 and

68000 family of processors) the ability to communicate effi-

ciently with up to eight peripheral devices via the serial MI-

CROWIRE interface The MID causes each of the peripheral

devices to appear to the mP as memory mapped locations

by performing all the data serialization and transfer proto-

cols to and from the peripherals

Applications

ISDN Terminal Adapters

Digital Line cards (ISDN and Non ISDN)

Analog Linecards using National COMBO

Interfacing to industry standard serial EEPROMs

Interfacing to industry standard MICROWIRE peripheral

devices such as Analog to Digital Converters LCD driv-

ers clock generators

Features

Multiplexed and Non-multiplexed microprocessor bus

compatible

NationalIntel and Motorola microprocessor bus

compatible

Microprocessor Clock (CKIN) up to 20 MHz

MICROWIRE clock speeds up to 5 MHz

Directly compatible with 8- and 16-bit MICROWIRE

peripherals

Commercial temperature range 0C to +70C

TP3465 for 8 Chip Select output

Memory mapped peripherals

Programmable MICROWIRE Clock to communicate with

devices of different speeds

Operates as MICROWIRE bus master or slave

28-pin PLCC Package

CMOS Low Power

Block Diagram

TLH10803 – 1

FIGURE 1 MICROWIRE Interface Device MID

COMBO

Series 32000

and TRI-STATE

are registered trademarks of National Semiconductor Corporation

MICROWIRETM is a trademark of National Semiconductor Corporation

C1999 National Semiconductor Corporation

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