3.2

LAN8671 Pin Assignments

Figure 3-2. LAN8671 24-VQFN Pin Assignments

Microchip

LAN8671

(Top View 24-VQFN)

Note: Exposed pad (VSS) on bottom of package must be connected to ground.

VDDA

13

14

15

16

17

18

6

5

4

3

2

1

VSS

DNC

TXD1

TXD0

TXEN

VDDP

DNC

IRQ_N

Thermal slug connects to VSS

VDDP

RXER / PHYAD0

CRSDV / PHYAD1

Note:  Configuration straps are identified by an underlined symbol name. Signals that function as configuration

straps must be augmented with an external resistor.

Table 3-2. LAN8671 24-VQFN Pin Assignments

Pin Num

Pin Name

Pin Num

Pin Name

1

VSS

13

VDDP

2

DNC

14

CRSDV/PHYAD1

3

TXD1

15

RXER/PHYAD0

4

TXD0

16

IRQ_N

5

TXEN

17

DNC

6

VDDP

18

VDDA

7

DNC

19

RBIAS

8

RESET_N

20

REFCLKIN

9

MDC

21

DNC

10

MDIO

22

VDDA

11

RXD0/PHYAD2

23

TRXP

12

RXD1/PHYAD3

24

TRXN

Note:  Exposed Pad (VSS) must be connected to ground.

LAN8670/1/2

Pin Description and Configuration

and its subsidiaries

Product Brief

DS60001536E-page 9