COM20020D Datasheet, PDF (36/72 Pages) SMSC Corporation – ULANC Revision D Universal Local Area Network Controller with 2K x 8 On-Board RAM

BIT
BIT NAME
1,0 Reconfiguration
Timer 1, 0
Table 12 - Setup 2 Register
SYMBOL
DESCRIPTION
RCNTM1,0 These bits are used to program the reconfiguration timer as a
function of maximum node count. These bits set the time out
period of the reconfiguration timer as shown below. The
time out periods shown are for 5 Mbps.
RCNTM1 RCNTM0 Time Out Max Node Count
Period
0
0
420 mS
Up to 255 nodes
0
1
105 mS
Up to 64 nodes
1
0
52.5 mS
Up to 32 nodes
1
1
26.25 mS*
Up to 16 nodes
Note*: The node ID value 255 must exist in the network for
26.25 mS timeout to be valid.
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