DP83865 datasheet(11/86 Pages) NSC

11 / 86 page

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1.0 Pin Description (Continued)

1.8 Power and Ground Pins

(See section “5.3 Power Supply Decoupling” on page 64.)

1.9 Special Connect Pins

Signal Name

PQFP Pin #

Description

IO_VDD

4, 15, 21, 29, 37, 42, 53, 58, 69,

77, 83, 90

2.5V or 3.3V I/O Supply for “MAC Interfaces”, “Management

Interface”, “JTAG Interface”, “Clock Interface”, “Device Con-

figuration and LED Interface” and “Reset”.

CORE_VDD

11, 19, 25, 35, 48, 63, 73, 92

1.8V Digital Core Supply

2V5_AVDD1

101

2.5V Analog Supply

2V5_AVDD2

2.5V Analog Supply

1V8_AVDD1

103, 105, 111, 117, 123

1.8V Analog Supply

1V8_AVDD2

1.8V Analog Supply - See section “5.4 Sensitive Supply

Pins” on page 64 for low pass filter recommendation.

1V8_AVDD3

100

1.8V Analog Supply - See section “5.4 Sensitive Supply

Pins” on page 64 for low pass filter recommendation.

VSS

5, 12, 16, 20, 22, 26, 30, 36, 38,

43, 49, 54, 59, 64, 70, 74, 78, 82,

91, 93, 97, 99, 104, 106, 107,

110, 112, 113, 116, 118, 119,

122, 124, 125, 128

Ground

Signal Name

TYPE

PQFP

Pin #

Description

BG_REF

102

Internal Reference Bias: See section “5.4 Sensitive Supply Pins” on page 64

for information on how to terminate this pin.

RESERVED

2, 23,

These pins are reserved and must be left floating.

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