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FIGURE 16 – DUPLICATE ID DETECTION ALGORITHM
Y
A
Y
Y
Y
N
Y
N
READ DIAGNOSTIC
STATUS REGISTER
IS RCVACT &
TOKEN RESET?
INC. RECON COUNT
IS RECON
COUNT = 3?
IS DUPID SET?
IS
MYRECON
SET?
DID THE 840mS
TIMER EXPIRE?
Y
N
N
Y
N
Y
Y
N
N
B
N
C
Y
N
INIT NODE ID TO FEh
SET RECON COUNT
TO ZERO
WAIT 52µS FOR THE
CORE TO USE NEW ID
ISSUE CLEAR FLAGS
COMMAND
WAIT 82.2µS MIN. FOR
RCVACT
IS RCVACT &
TOKEN SET?
IS DUPID SET?
DID THE 840mS
TIMER EXPIRE?
IS THE RECON
BIT SET?
CLEAR THE
DIAGNOSTIC STATUS
REGISTER
INITIALIZE THE 840 mS
TIMER
HAS A TOKEN
BEEN SEEN?
DEC NODE ID
START
D