COM20020I_0609 Datasheet, PDF (20/69 Pages) SMSC Corporation – 5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM

5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
RT
75176B or
Equiv.
+VCC
RBIAS
+VCC
RBIAS
RT
+VCC
RBIAS
COM20022I 3V
COM20022I 3V
COM20022I 3V
Figure 5 - COM20020I 3V Network Using RS-485 Differential Transceivers
1
1
0
20MHZ
CLOCK
(FOR REF.
ONLY)
100ns
nPULSE1
100ns
nPULSE2
200ns
DIPULSE
400ns
RXIN
Figure 6 - Dipulse Waveform For Data Of 1-1-0
SMSC COM20020I 3.3V Rev.E
Page 20
DATASHEET
Revision 09-11-06