DP83815 datasheet(12/108 Pages) NSC

12 / 108 page

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2.0 Pin Description (Continued)

Supply Pins

Symbol

LQFP Pin

No(s)

LBGA Pin

No(s)

Dir

Description

SUBGND1,

SUBGND2,

SUBGND3

37,

49,

126

B2,

E1,

G12

Substrate GND

RXAVDD1,

RXAVDD2

39,

C2,

RX Analog VDD - connect to isolated Aux 3.3V supply VDD

RXAVSS1,

RXAVSS2

38,

B1,

RX Analog GND

TXIOVSS1,

TXIOVSS2

52,

F2,

TX Output driver VSS

TXDVDD

TX Digital VDD - connect to Aux 3.3V supply VDD

TXDVSS

TX Digital VSS

MACVDD1,

MACVDD2

58,

125

H1,

H11

Mac/BIU digital core VDD - connect to Aux 3.3V supply VDD

MACVSS1,

MACVSS2

57,

124

G3,

H14

Mac/BIU digital core VSS

PCIVDD1,

PCIVDD2,

PCIVDD3,

PCIVDD4,

PCIVDD5

69,

80,

94,

107,

117

L1,

P5,

L8,

M12,

K12

PCI IO VDD - connect to PCI bus 3.3V VDD

PCIVSS1,

PCIVSS2,

PCIVSS3,

PCIVSS4,

PCIVSS5

65,

77,

90,

103,

114

K1,

P4,

M8,

P11,

L11

PCI IO VSS

VDDIO2,

VDDIO4

19,

C8,

Misc. IO VDD - connect to Aux 3.3V supply VDD

VDDIO1,

VDDIO3,

VDDIO5

27,

137

C10,

A5,

E13

Misc. IO VDD - connect to Aux 3.3V supply VDD

VSSIO2,

VSSIO4

16,

A8,

SMisc. IO VSS

VSSIO1,

VSSIO3,

VSSIO5

26,

136

A10,

D6,

E12

SMisc. IO VSS

PHYVDD1,

PHYVDD2

21,

B7,

Phy digital core VDD - connect to Aux 3.3V supply VDD

PHYVSS1,

PHYVSS2

20,

A7,

Phy digital core VSS

FSVDD

Frequency Synthesizer VDD - connect to isolated Aux 3.3V supply

VDD

FSVSS

Frequency Synthesizer VSS

DP83815 Datasheet(PDF) 12 Page - National Semiconductor (TI)

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