COM20051 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

COM20051

Integrated Microcontroller and Network Interface with Watchdog Timer and A/D Converter Interface

SMSC -> Microchip 

HARDWARE OR

SOFTWARE RESET

OR NO TOKEN FOR

840 MS

SEND RECON

BURST 765 TIMES

TIMEOUT FOR

146µs x

(255 - NODE ID)

NODE DROPS

OFF

NETWORK

NO ACTIVITY N

WITHIN 82µs?

Y

TRANSMIT TOKEN

TO NODE = OWN ID

LINE ACTIVITY

DETECTED

Y

WITHIN 74.7µs

N

INCREMENT TOKEN

VALUE AND

TRANSMIT

N

840ms

Y

TIMER

EXPIRED?

SET RECON BIT

& NEW NEXT ID

BIT

END NODE

RECONFIGURATION

FIGURE 5 – ARCNET RECONFIGURATION PROCESS

15

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