LAN8720A-CP-TR Standard Microsystems (SMSC), LAN8720A-CP-TR Datasheet - Page 8

• Manufacturer Part Number: LAN8720A-CP-TR
• Description: SMALL FOOTPRINT RMII 10/100 ETHERNET TR
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN8720A-CP-TR

• Number Of Receivers: 1
• Protocols Supported: IEEE 802.3
• Operating Supply Voltage (typ): 1.8/2.5/3.3V
• Package Type: QFN
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Operating Temperature (max): 85C
• Operating Temperature (min): 0C
• Lead Free Status / Rohs Status: Compliant

Revision 1.0 (12-09-09)
MODE[0:2]
RXD[0:1]
CRS_DV
RMIISEL
TXD[0:1]
RXER
TXEN
MDIO
nRST
MDC
LAN8720/LAN8720i
Reset Control
Mode Control
Ethernet
10/100
MAC
SMI
Management
Negotiation
Mode
RMII
Control
100M RX
Auto-
10M RX
Logic
Logic
Figure 1.1 System Block Diagram
Figure 1.2 Architectural Overview
LAN8720/
LAN8720i
Crystal or
Oscillator
Clock
DSP System:
DATASHEET
Data Recovery
Receiver
10M PLL
Equalizer
Clock
100M TX
10M TX
Logic
Logic
8
Transmitter
LED
Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
MDI
Analog-to-
100M PLL
Transmitter
Transmitter
Squeltch
& Filters
Digital
100M
10M
Transformer
HP Auto-MDIX
PHY Address
Central Bias
Generator
Interrupt
Latches
Control
MDIX
LEDs
SMSC LAN8720/LAN8720i
PLL
RJ45
TXP/TXN
RXP/RXN
XTAL1/CLKIN
XTAL2
nINT
LED1
LED2
RBIAS
PHYAD0
Datasheet