±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support and flexPWR
®
Technology in a Small Footprint
Datasheet
MODE0
MODE1
MODE2
nRST
MII
MODE Control
Auto-
Negotiation
Management
Control
10M Tx
Logic
10M
Transmitter
HP Auto-MDIX
TXP / TXN
RXP / RXN
Transmit Section
100M Tx
Logic
100M
Transmitter
MDIX
Control
SMI
TXD[0..3]
TX_EN
TX_ER
TX_CLK
RXD[0..3]
RX_DV
RX_ER
RX_CLK
CRS
COL/CRS_DV
MDC
MDIO
100M Rx
Logic
DSP System:
Clock
Data Recovery
Equalizer
Analog-to-
Digital
PLL
Interrupt
Generator
XTAL1
XTAL2
nINT
SMSC LAN8700/LAN8700i
RMII / MII Logic
Receive Section
10M Rx
Logic
100M PLL
PHY
Address
Latches
LED Circuitry
PHYAD[0..4]
SPEED100
LINK
ACTIVITY
FDUPLEX
Squelch &
Filters
10M PLL
Central
Bias
Figure 1.2 LAN8700/LAN8700i Architectural Overview
9
Revision 2.3 (04-12-11)
DATASHEET
SMSC [ SMSC CORPORATION ]
