LAN8740A Datasheet, PDF (53/136 Pages) Microchip Technology – Small Footprint MII/RMII 10/100 Energy Efficient Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology

LAN8740A/LAN8740Ai
3.9 Application Diagrams
This section provides typical application diagrams for the following:
• Simplified System Level Application Diagram
• Power Supply Diagram (1.2 V Supplied by Internal Regulator)
• Power Supply Diagram (1.2 V Supplied by External Source)
• Twisted-Pair Interface Diagram (Single Power Supply)
• Twisted-Pair Interface Diagram (Dual Power Supplies)
3.9.1 SIMPLIFIED SYSTEM LEVEL APPLICATION DIAGRAM
FIGURE 3-17:
SIMPLIFIED SYSTEM LEVEL APPLICATION DIAGRAM
LAN8740A/LAN8740Ai
10/100 PHY
32-VQFN
MII
MDIO
MII
MDC
nINT
4
4
2
Interface
TXD[3:0]
TXCLK
TXER
TXEN
RXD[3:0]
RXCLK
RXDV
LED[2:1]
nRST
TXP
TXN
RXP
RXN
XTAL1/CLKIN
XTAL2
Mag
25 MHz
RJ45
 2013-2015 Microchip Technology Inc.
DS00001987A-page 53