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LAN8700i Datasheet(PDF) 63 Page - Microchip Technology

Part # LAN8700i
Description  짹15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support and flexPWR짰 Technology in a Small Footprint
PDF  74 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8700i Datasheet(HTML) 63 Page - Microchip Technology

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 2007-2016 Microchip Technology Inc.
DS00002260A-page 63
LAN8700/LAN8700i
8.0
APPLICATION NOTES
8.1
Application Diagram
FIGURE 8-1:
SIMPLIFIED APPLICATION DIAGRAM (SEE Section 8.4, "Reference Designs")
Note:
R5 on the Crystal is used to control the crystal drive strength into the PHY clock generator. This resistance
can be fine tuned to meet the requirements of each crystal manufacturer.
Host System
MAC
(Media Access Controller)
MII/RMII
RX_CLK/REGOFF
nINT/TX_ER/TXD4
MDC
CRS/PHYAD4
MDIO
nRST
TX_EN
VDD_CORE
VDD33
TXD3
TX_CLK
RX_ER/RXD4
VDDIO
TXD1
TXD0
TXD2
1
2
3
4
5
6
7
8
LAN8700/LAN8700I
MII/RMII Ethernet PHY
36 Pin QFN
GND FLAG
24
23
22
21
20
19
SPEED100/PHYAD0
9
RX_DV
27
26
25
VDDIO
Variable
Voltage
IO Regulator
Integrated
Magnetics and RJ45 Jack
12.4k 1%
R1
R2
VDD3.3
VDD3.3
Voltage
Regulator
Speed100
Link
Activity
FullDuplex
R3
R4
1
2
3
4
5
6
7
8



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