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LAN8720A-CP

Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support

SMSC -> Microchip 

Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support

Datasheet

Chapter 2 Pin Description and Configuration

VDD1A 19

TXN 20

TXP 21

RXN 22

RXP 23

RBIAS 24

SMSC

LAN8720A/LAN8720Ai

24 PIN QFN

(TOP VIEW)

VSS

12 MDIO

11 CRS_DV/MODE2

10 RXER/PHYAD0

9 VDDIO

8 RXD0/MODE0

7 RXD1/MODE1

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

Figure 2.1 24-QFN 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.

SMSC LAN8720A/LAN8720Ai

9

DATASHEET

Revision 1.4 (08-23-12)

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