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Part Name
Description
TMC2005 View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
TMC2005
5 Port HUB Controller Device
SMSC -> Microchip
'TMC2005' PDF : 32 Pages
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Example 4: An on-board type HUB with a COM20020 and four optical transceivers in backplane mode.
+5V
1
OUT
GND1
2
3
TODX270A
VCC1
4
GND2
5
GND3
LEDR
6
7
VCC2
8
IN
1
OUT
2
GND1
TODX270A
VCC1
3
4
GND2
5
GND3
LEDR
6
7
VCC2
8
IN
46
47
RXINA0
48
SA
49
TXENA0
50
51
LA
RXINA1
52
MA
53
TXENA1
54
55
VDD6
VSS8
56
RXINB0
57
SB
58
59
TXENB0
LB
60
RXINB1
MB
TMC2005
VSS5
30
29
VSS3
28
AVSS
27
AGS
LP
26
25
RO
24
AVDD
23
VDD3
VDD4
22
21
VSS4
20
XTLO
19
XTLI
VDD2
18
17
nPLLTST
16
RXFLT
1
OUT
2
GND1
TODX270A
VCC1
3
4
GND2
5
GND3
6
LEDR
VCC2
7
8
IN
1
OUT
2
GND1
TODX270A
VCC1
3
4
GND2
5
GND3
6
LEDR
VCC2
7
8
IN
15
1
nPULSE1
3
nTXEN
18
2
COM20020
17
RXIN
FIGURE 4 - APPLICATION EXAMPLE 4
Only the TMC2005 and four transceivers with the COM20020 are indicated in the above figure. Connect the other
pins adequately.
SMSC DS – TMC2005
Page 16
Rev. 10/24/2000
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