COM20051I Datasheet, PDF (49/74 Pages) SMSC Corporation – Integrated Microcontroller and ARCNET (ANSI 878.1) Interface

A
B
SET NODE ID = FFh
INITIALIZE THE 840mS
TIMER
WAIT 82.2µS FOR RCV
ACTIVITY
READ THE DIAGNOSTIC
STATUS REGISTER
Y
IS RCVACT SET?
N
Y
IS MYRECON SET?
N
DID THE 840mS
N
TIMER EXPIRE?
Y
SET THE NODE ID TO FEh
SET TXEN BIT
ISSUE A ENABLE TO TX
CMD TO YOUR OWN ID
VALUE
INIT. THE 840mS TIMER
N
IS TA SET?
Y
Y
IS TMA SET?
N
N
DID THE 840mS
TIMER EXPIRE?
Y
GOOD ID VALUE
C
D
FIGURE 16 - DUPLICATE ID DETECTION ALGORITHM (continued)
SMSC DS – COM20051I
Page 49
Rev. 03/27/2000