SMSC COM20020 Home Theater Server User Manual


 
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FIGURE 5 - DIPULSE WAVEFORM FOR DATA OF 1-1-0
20MHZ
CLOCK
(FOR REF.
ONLY)
nPULSE1
nPULSE2
DIPULSE
RXIN
1 0
100ns
100ns
200ns
400ns
1
COM20020 COM20020 COM20020
+VCC
RBIAS
+VCC +VCC
RBIAS
RBIAS
RT RT
FIGURE 4 - COM20020 NETWORK USING RS-485 DIFFERENTIAL TRANSCEIVERS
75176B or
Equiv.