Datasheet

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DP83865
1.0 Pin Description (Continued)
1.10 Pin Assignments in the Pin Number Order
Table 1.
Pin # Data Sheet Pin Name Type Connection / Comment
1 NON_IEEE_STRAP Strap Non IEEE Compliant Mode Enable: Use a 2k
pull-up resistor to enable. Leave open to disable.
2 RESERVED Reserved Reserved: Leave floating.
3 INTERRUPT
Output INTERRUPT: Connect to MAC or management
IC. This is a tri-state pin and requires an external
2k pull-up resistor if the pin is used.
4IO_VDD PowerI/O VDD: (Digital) Connect to 2.5V or 3.3V. The
VDD_SEL pin must be tied accordingly.
5 VSS Ground Ground: Connect to common ground plane.
6 TX_TCLK Output Transmit Test Clock: See section “1.9 Special
Connect Pins” on page 11.
7 ACTIVITY_LED / SPEED0_STRAP Strap /
Output
Activity LED / SPEED0 Select: See section
“5.9 LED/Strapping Option” on page 67 on how
to connect this pin for speed selection and
ACTIVITY_LED function.
8 LINK10_LED / RLED/SPEED1_STRAP Strap /
Output
10M Link LED / RLED / SPEED1: See section
“5.9 LED/Strapping Option” on page 67 on how
to connect this pin for speed selection and
LINK10_LED function.
9 LINK100_LED / DUPLEX_STRAP Strap /
Output
100M Link LED / Duplex Select: See section
“5.9 LED/Strapping Option” on page 67 on how
to connect this pin for Duplex selection and
100_LED function.
10 LINK1000_LED / AN_EN_STRAP Strap /
Output
1000M Link LED / Auto-Neg. Select: See sec-
tion “5.9 LED/Strapping Option” on page 67 on
how to connect this pin for Auto-negotiation con-
figuration and 1000_LED function.
11 CORE_VDD Power Core VDD: (Digital) Connect to 1.8V.
12 VSS Ground Ground: Connect to common ground plane.
13 DUPLEX_LED / PHYADDR0_STRAP Strap /
Output
Duplex LED / PHY Address 0: See section
“5.9 LED/Strapping Option” on page 67 on how
to connect this pin for PHY address configura-
tion and DUPLEX_LED function.
14 PHYADDR1_STRAP Strap PHY Address 1: See section
“5.9 LED/Strapping Option” on page 67 on how
to connect this pin.
15 IO_VDD Power I/O VDD: (Digital) Connect to 2.5V or 3.3V. The
VDD_SEL pin must be tied accordingly.
16 VSS Ground Ground: Connect to common ground plane.
17 PHYADDR2_STRAP Strap PHY Address 2: See section
“5.9 LED/Strapping Option” on page 67 on how
to connect this pin
18 PHYADDR3_STRAP Strap PHY Address 3: See section
“5.9 LED/Strapping Option” on page 67 on how
to connect this pin
19 CORE_VDD Power Core VDD: (Digital) Connect to 1.8V.
20 VSS Gound Ground: Connect to common ground plane.
21 IO_VDD Power I/O VDD: (Digital) Connect to 2.5V or 3.3V. The
VDD_SEL pin must be tied accordingly.
22 VSS Ground Ground: Connect to common ground plane.