TMC20073 ETC, TMC20073 Datasheet

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TMC20073

Manufacturer Part Number

TMC20073

Description

CIRCLINK COMMUNICATIONS CONTROLLER LSI

Manufacturer

ETC

Datasheet

1.TMC20073.pdf (4 pages)

Current page: 1 of 4
Download datasheet (144Kb)

Product Features

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SMSC TMC20073

3.3V (3.0 to 3.6V) Power Supply Voltage (Vdd)

128 Pin TQFP Package (14x14, 0.4 pitch)

Supports 8/16-Bit Data Bus (Selectable)

Full 1K On-Chip Dual-Port Buffer RAM

Supports Sequential I/O Mapped Access to Internal

Supports up to 31 Nodes

Low Power CMOS, 3.3V Operation with 5V Tolerance

RAM Buffer

Micro-Controller bus

MAXID

MAX ID Setting (MAXID)

Receive Mode(#01-#31)

Page Size Setting (PS)

Receive Flag(#01-#31)

Node ID Setting (NID)

Register Access

Net. Standard Time

Control Circuit

Data Rate Setting

Clock Master SID

Interrupt Status

Interrupt Mask

Mode Setting

EC Command

Alarm Setting

Receive SID

Search SID

ERR-INFO

PIN-INFO

NID

PS

Figure 1 Internal Block Diagram of LSI

nMUX nRWM W16 nSWAP

CKP

TENT-ID Register

Address Register

CONFIG Register

SETUP Registers

PRODUCT PREVIEW

Address pointer

Data Register H

Data Register L

Page Register

Diag. Register

Data Latch

nSTALONE

Reset Circuit

Memory Access Mediation Circuit

nDIAG

512B

Buffer Memory

nHUBON nCMIBYP

Multiplexer

Address

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TMC20073

CircLink

Controller LSI

RECON Timer

Cabling Options

High Speed: Up to 5 Mbps

Include 3 Port HUB

Can operate with or without CPU

Support multi-topology

Temperature Range from -20

— Fiber Optics, RS485 Twisted Pair

— With CPU: Support interface to multiple CPU’s

— Without CPU: Support general purpose I/O ports

— Bus, Star and Mixed type

512B

Others

OSC

– Intel (80XX) and Motorola (68XXX)

– 16 bit input and 16 bit output

Improved ARCNET Protocol

Data Latch

Clock

Address Pointer

TXEN2

Working Registers

Micro Sequencer

TX Signal

Generator

CMI Encode

TXEN TXD

nNSTCOUT

3Port HUB Circuit

Shift Register

TM

CMI Synchro

RX Synchro-

CMI Decode

RXIN2

nous circuit

FLASHO

Communications

RXIN

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Revision 1.3 (02-11-04)

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Data Brief

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