LAN8720AI-CP SMSC, LAN8720AI-CP Datasheet - Page 8

• Manufacturer Part Number: LAN8720AI-CP
• Description: TXRX ETHERNET 10/100 RMII 24QFN
• Manufacturer: SMSC
• Type: Transceiverr

Specifications of LAN8720AI-CP

• Number Of Drivers/receivers: 4/4
• Protocol: RMII
• Voltage - Supply: 1.6 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 24-QFN
• Product: Ethernet Transceivers
• Standard Supported: 802.3, 802.3u
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.6 V
• Maximum Operating Temperature: + 85 C
• Ethernet Connection Type: 10/100 Base-T
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 638-1084

Revision 1.2 (11-10-10)
MODE[0:2]
RXD[0:1]
CRS_DV
RMIISEL
TXD[0:1]
RXER
TXEN
MDIO
nRST
MDC
LAN8720A/LAN8720Ai
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
LAN8720A/
LAN8720Ai
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
SMSC LAN8720A/LAN8720Ai
Generator
Interrupt
Latches
Control
MDIX
LEDs
PLL
RJ45
TXP/TXN
RXP/RXN
XTAL1/CLKIN
XTAL2
nINT
LED1
LED2
RBIAS
PHYAD0
Datasheet