lan7500 Standard Microsystems Corp., lan7500 Datasheet - Page 37
lan7500
Manufacturer Part Number
lan7500
Description
Hi-speed Usb 2.0 To 10/100/1000 Ethernet Controller
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN7500.pdf
(56 pages)
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Hi-Speed USB 2.0 to 10/100/1000 Ethernet Controller
Datasheet
SMSC LAN7500/LAN7500i
6.2
2.5V – 3.3V
Supply
Supply
Supply
Power
Power
Power
1.2V
3.3V
Power Supply & Twisted Pair Interface Diagram
8.06K Ohm
1%
C
C
C
C
C
C
BYPASS
BYPASS
BYPASS
BYPASS
BYPASS
BYPASS
Figure 6.2 Power Supply & Twisted Pair Interface Diagram
x6
x4
VDD12USBPLL
VDD12PLL
VDD12BIAS
VDD12CORE (x6)
VDD33A
VDDVARIO (x4)
ETHRBIAS
LAN7500/LAN7500i
VSS
(x4) VDD12A
USBRBIAS
DATASHEET
TR0N
TR0P
37
12.0K Ohm
1%
C
49.9
BYPASS
Circuitry within the dotted line is for Channel 0.
Duplicate this circuit for Channels 1, 2 and 3.
49.9
Note: 0.022uF capacitor is optional. In
an EMI constrained environment,
populate this capacitor. The component
must be placed close to the transformer.
0.022uF
Magnetics
75
Revision 1.0 (11-01-10)
1000 pF
2 kV
RJ45
1
2
3
4
5
6
7
8
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