Small Footprint MII/RMII 10/100 Ethernet Transceiver for Automotive Applications
Datasheet
The LAN88710AM/LAN88710BM is available in automotive grade A (-40°C to +85°C) and B (-40°C to
+105°C) temperature range versions. A typical system application is shown in Figure 1.1.
MII/
10/100
Ethernet
MAC
LAN88710AM/
LAN88710BM
MDI
LED
RMII
Transformer
RJ45
Mode
Crystal or
Clock
Oscillator
Figure 1.1 System Block Diagram
MODE[0:2]
nRST
Mode Control
Reset Control
HP Auto-MDIX
Auto-
Negotiation
100M TX
Logic
100M
Transmitter
TXP/TXN
RXP/RXN
RMIISEL
TXD[0:3]
Transmitter
10M TX
Logic
10M
Transmitter
SMI
Management
Control
MDIX
Control
TXEN
TXER
XTAL1/CLKIN
XTAL2
TXCLK
PLL
RXD[0:3]
100M RX
Logic
Analog-to-
Digital
DSP System:
Clock
Data Recovery
Equalizer
RXDV
RXER
Interrupt
Generator
nINT
LED1
LED2
RXCLK
CRS
100M PLL
LEDs
Receiver
COL/CRS_DV
MDC
10M RX
Logic
Squeltch
& Filters
RBIAS
Central Bias
10M PLL
MDIO
PHY Address
Latches
PHYAD[0:2]
LAN88710AM/LAN88710BM
Figure 1.2 Architectural Overview
Revision 1.1 (05-26-10)
8
SMSC LAN88710AM/LAN88710BM
DATASHEET
SMSC [ SMSC CORPORATION ]
