Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR
®
Technology
Datasheet
10/100
Ethernet
MAC
MII/
RMII
LAN8710A/
LAN8710Ai
MDI
Transformer
RJ45
Mode
LED
Crystal or
Clock
Oscillator
Figure 1.1 System Block Diagram
MODE[0:2]
nRST
RMIISEL
TXD[0:3]
TXEN
TXER
Mode Control
Reset Control
Auto-
Negotiation
100M TX
Logic
100M
Transmitter
HP Auto-MDIX
TXP/TXN
RXP/RXN
Transmitter
SMI
Management
Control
10M TX
Logic
10M
Transmitter
MDIX
Control
XTAL1/CLKIN
TXCLK
PLL
RMII/MII Logic
100M RX
Logic
DSP System:
Clock
Data Recovery
Equalizer
XTAL2
RXD[0:3]
RXDV
RXER
RXCLK
CRS
COL/CRS_DV
MDC
MDIO
Analog-to-
Digital
100M PLL
Interrupt
Generator
LEDs
nINT
LED1
LED2
Receiver
10M RX
Logic
10M PLL
Squeltch
& Filters
Central Bias
PHY Address
Latches
RBIAS
PHYAD[0:2]
LAN8710A/LAN8710Ai
Figure 1.2 Architectural Overview
Revision 1.4 (08-23-12)
8
SMSC LAN8710A/LAN8710Ai
DATASHEET