DP83865-EB National Semiconductor, DP83865-EB Datasheet - Page 65

• Manufacturer Part Number: DP83865-EB
• Description: BOARD EVALUATION DP83865
• Manufacturer: National Semiconductor

Specifications of DP83865-EB

• Main Purpose: Interface, Ethernet
• Utilized Ic / Part: DP83865
• Lead Free Status / RoHS Status: Not applicable / Not applicable

5.0 Design Guide
to result in signal quality failure as well as creating EMI
problems.
V
V
V
DD
DD
DD
Typical supply bypassing
(Near pins of the device)
= 1.8 V
= 1.8 V
= 2.5 V
Low pass filter for
1V8_AVDD2 only
Low pass filter for
1V8_AVDD3 only
(Continued)
18
10
Figure 16. 1.8V voltage regualtor placement.
2.5
0.01 F
0.01 F
Figure 15. Power Supply Filtering
22 F
22 F
DP83865 and GMAC PCI NIC Card
PHY
1.8
0.1 F
0.01 F
9.76 k
65
1%
MAC
GND
1V8_AVDD2
GND
IO_VDD
BG_REF
1V8_AVDD3
GND
GND
2V5_AVDD1
2V5_AVDD2
DP83865
CORE_VDD
1V8_AVDD1
GND
GND
GND
0.01 F
0.01 F
0.01 F
V
DD
V
0.1 F
DD
= 2.5 V
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= 1.8 V