Datasheet

LAN8740A/LAN8740Ai
DS00001987A-page 6  2013-2015 Microchip Technology Inc.
2.0 PIN DESCRIPTION AND CONFIGURATION
FIGURE 2-1: 32-VQFN PIN ASSIGNMENTS (TOP VIEW)
Note: When a lower case “n” is used at the beginning of the signal name, it indicates that the signal is active low.
For example, nRST indicates that the reset signal is active low.
Note: The buffer type for each signal is indicated in the BUFFER TYPE column. A description of the buffer types
is provided in Section 2.2.
Note: Exposed pad (VSS) on bottom of package must be connected to ground.
MDIO
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
24
23
22
21
20
19
18
17
32 31 30 29 28 27 26 25
RXD3/PHYAD2
RXCLK/PHYAD1
VDDCR
XTAL1/CLKIN
XTAL2
L ED1/n INT/n PME /RE GOFF
L ED2 /n INT /nPM E/n INTSEL
VDD2A TXD2
TXD1
TXD0
TXEN
TXCLK
nRST
nINT/TXER/TXD4
MDC
TXD3 RXDV VDD1A TXN TXP RXN RXP RBIAS
COL/CRS_DV/MODE2
CRS
RXER/RXD4/PHYAD0
VDDIO
RXD0/MODE0 RXD1/MODE1
RXD2/nPME/RMIISEL
LAN8740A/
LAN8740Ai