COM20051I データシートの表示（PDF） - SMSC -> Microchip

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COM20051I

Integrated Microcontroller and ARCNET (ANSI 878.1) Interface

SMSC -> Microchip 

HARDWARE OR

SOFTWARE RESET

OR NO TOKEN FOR

840 MS

SEND RECON

BURST

(765 times 111111110)

TIMEOUT FOR

146µs x

(255 - NODE ID)

NODE DROPS

OFF THE

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

IN THE STATUS

REGISTER &

NEW NEXT ID

BIT IN THE

DIAGNOSTIC

STATUS

REGISTER

END NODE

RECONFIGURATION

FIGURE 4 - ARCNET RECONFIGURATION PROCESS

SMSC DS – COM20051I

Page 14

Rev. 03/27/2000

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