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LAN8740A Datasheet, PDF (6/136 Pages) Microchip Technology – Small Footprint MII/RMII 10/100 Energy Efficient Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology
LAN8740A/LAN8740Ai
2.0 PIN DESCRIPTION AND CONFIGURATION
FIGURE 2-1:
32-VQFN PIN ASSIGNMENTS (TOP VIEW)
VDD2A 1
LED2/nINT/nPME/nINTSEL 2
LED1/nINT/nPME/REGOFF 3
XTAL2 4
XTAL1/CLKIN 5
VDDCR 6
RXCLK/PHYAD1 7
RXD3/PHYAD2 8
LAN8740A/
LAN8740Ai
24 TXD2
23 TXD1
22 TXD0
21 TXEN
20 TXCLK
19 nRST
18 nINT/TXER/TXD4
17 MDC
Note: Exposed pad (VSS) on bottom of package must be connected to ground.
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.
DS00001987A-page 6
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