3.

Pin Description and Configuration

The pin assignments and descriptions for the LAN8670/1/2 are detailed in the following sections. Pin buffer type

definitions are detailed in the Buffer Types section.

Related Links

1.1 Buffer Types

3.1

LAN8670 Pin Assignments

Figure 3-1.  LAN8670 32-VQFN Pin Assignments

Microchip

LAN8670

(Top View 32-VQFN)

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

RXD3 / MODE1

17

18

19

20

21

22

23

24

8

7

6

5

4

3

2

1

DNC

COL

TXD3

TXD2

TXD1

TXD0

TXEN

VDDP

RXD2 / MODE0

IRQ_N

RXER / PHYAD0

RXDV / CRSDV / PHYAD1

RXD1 / PHYAD3

VDDP

RXCLK

Thermal slug connects to VSS

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

straps must be augmented with an external resistor.

LAN8670/1/2

Pin Description and Configuration

and its subsidiaries

Product Brief

DS60001536E-page 7