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PDF LAN8700 Data sheet ( Hoja de datos )
| Número de pieza | LAN8700 | |
| Descripción | ESD Protected MII/RMII Fast-Ethernet PHY | |
| Fabricantes | SMSC | |
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LAN8700/LAN8700I
PRODUCT FEATURES
±15kV ESD Protected
MII/RMII Fast-Ethernet
PHY with HP Auto-MDIX
and SMSC flexPWRTM
in a Small Footprint
Datasheet
Single-Chip Ethernet Physical Layer Transceiver
(PHY)
ESD Protection levels of ±8kV HBM without external
protection devices
ESD protection levels of IEC61000-4-2, ±8kV contact
mode, and ±15kV for air discharge mode per
independent test facility
Comprehensive SMSC flexPWRTM Technology
— Flexible Power Management Architecture
LVCMOS Variable I/O voltage range: +1.6V to +3.6V
Integrated 3.3V to 1.8V regulator for optional single
supply operation.
— Regulator can be disabled if 1.8V system supply is
available.
Performs HP Auto-MDIX in accordance with IEEE
802.3ab specification
Cable length greater than 150 meters
Automatic Polarity Correction
Latch-Up Performance Exceeds 150mA per
EIA/JESD 78, Class II
Energy Detect power-down mode
Low Current consumption power down mode
Low operating current consumption:
— 39mA typical in 10BASE-T and
— 79mA typical in 100BASE-TX mode
Supports Auto-negotiation and Parallel Detection
Supports the Media Independent Interface (MII) and
Reduced Media Independent Interface (RMII)
Compliant with IEEE 802.3-2005 standards
— MII Pins tolerant to 3.6V
IEEE 802.3-2005 compliant register functions
Integrated DSP with Adaptive Equalizer
Baseline Wander (BLW) Correction
Vendor Specific register functions
Low profile 36-pin QFN lead-free RoHS compliant
package (6 x 6 x 0.9mm height)
4 LED status indicators
Commercial Operating Temperature 0° C to 70° C
Industrial Operating Temperature -40° C to 85° C
version available (LAN8700I)
Applications
Set Top Boxes
Network Printers and Servers
LAN on Motherboard
10/100 PCMCIA/CardBus Applications
Embedded Telecom Applications
Video Record/Playback Systems
Cable Modems/Routers
DSL Modems/Routers
Digital Video Recorders
Personal Video Recorders
IP and Video Phones
Wireless Access Points
Digital Televisions
Digital Media Adaptors/Servers
POS Terminals
Automotive Networking
Gaming Consoles
Security Systems
POE Applications
Access Control
Order Numbers:
LAN8700-AEZG for 36-pin, QFN Lead-Free RoHS Compliant Package
LAN8700I-AEZG for (Industrial Temp) 36-pin, QFN Lead-Free RoHS Compliant Package
SMSC LAN8700/LAN8700I
DATASHEET
Revision 1.0 (02-09-07)
1 page  
±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM in a Small Footprint
Datasheet
List of Figures
Figure 1.1 LAN8700/LAN8700I System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 1.2 LAN8700/LAN8700I Architectural Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 2.1 Package Pinout (Top View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 4.1 100Base-TX Data Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 4.2 Receive Data Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 4.3 Relationship Between Received Data and Specific MII Signals . . . . . . . . . . . . . . . . . . . . . . 22
Figure 4.4 Direct Cable Connection vs. Cross-over Cable Connection. . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 4.5 PHY Address Strapping on LED’s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 4.6 MDIO Timing and Frame Structure - READ Cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 4.7 MDIO Timing and Frame Structure - WRITE Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 6.1 SMI Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 6.2 100M MII Receive Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 6.3 100M MII Transmit Timing Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Figure 6.4 10M MII Receive Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Figure 6.5 10M MII Transmit Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Figure 6.6 100M RMII Receive Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 6.7 100M RMII Transmit Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Figure 6.8 10M RMII Receive Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 6.9 10M RMII Transmit Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 6.10 Reset Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Figure 8.1 Simplified Application Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Figure 9.1 36-Pin QFN Package Outline, 6 x 6 x 0.90 mm Body (Lead-Free) . . . . . . . . . . . . . . . . . . . . 73
SMSC LAN8700/LAN8700I
5
DATASHEET
Revision 1.0 (02-09-07)
5 Page 
±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM in a Small Footprint
Datasheet
Table 2.1 LAN8700/LAN8700I 36-PIN QFN Pinout
PIN NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
PIN NAME
nINT/TX_ER/TXD4
MDC
CRS/PHYAD4
MDIO
nRST
TX_EN
VDD33
VDD_CORE
SPEED100/PHYAD0
LINK/PHYAD1
ACTIVITY/PHYAD2
FDUPLEX/PHYAD3
XTAL2
CLKIN/XTAL1
RXD3/nINTSEL
RXD2/MODE2
RXD1/MODE1
RXD0/MODE0
PIN NO.
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
PIN NAME
RX_DV
RX_CLK/REGOFF
RX_ER/RXD4
TXCLK
TXD0
TXD1
VDDIO
TXD2
TXD3
TXN
TXP
VDDA3.3
RXN
RXP
VDDA3.3
EXRES1
VDDA3.3
COL/RMII/CRS_DV
SMSC LAN8700/LAN8700I
11
DATASHEET
Revision 1.0 (02-09-07)
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LAN8700.PDF ] | |
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