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LAN8810 Datasheet(PDF) 6 Page - Microchip Technology

Part # LAN8810
Description  GMII 10/100/1000 Ethernet Transceiver
PDF  83 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8810 Datasheet(HTML) 6 Page - Microchip Technology

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LAN8810/LAN8810I
DS00001870B-page 6
 2009-2015 Microchip Technology Inc.
TABLE 2-1:
GMII INTERFACE PINS
Num
Pins
Name
Symbols
Buffer
Type
Description
1
Transmit Data 0
TXD0
VIS
(PD)
The MAC transmits data to the PHY using this
signal.
1
Transmit Data 1
TXD1
VIS
(PD)
The MAC transmits data to the PHY using this
signal.
1
Transmit Data 2
TXD2
VIS
(PD)
The MAC transmits data to the PHY using this
signal.
1
Transmit Data 3
TXD3
VIS
(PD)
The MAC transmits data to the PHY using this
signal.
1
Transmit Data 4
TXD4
VIS
(PD)
The MAC transmits data to the PHY using this
signal.
1
Transmit Data 5
TXD5
VIS
(PD)
The MAC transmits data to the PHY using this
signal.
1
Transmit Data 6
TXD6
VIS
(PD)
The MAC transmits data to the PHY using this
signal.
1
Transmit Data 7
TXD7
VIS
(PD)
The MAC transmits data to the PHY using this
signal.
1
Transmit Error
TXER
VIS
(PD)
Indicates a transmit error condition.
Note:
This input is ignored during 10BASE-T
operation.
1
Transmit Enable
TXEN
VIS
(PD)
Indicates the presence of valid data on TXD[7:0]
1
Transmit Clock
TXCLK
VO8
Used to latch data from the MAC into the PHY.
MII (100BASE-TX): 25MHz
MII (10BASE-T): 2.5MHz
Note:
For 1000BASE-T operation, GTXCLK is
used as the transmit clock. TXCLK is not
used in 1000BASE-T mode.
1
GMII Transmit
Clock
GTXCLK
VIS
(PD)
125MHz clock used to latch data from the MAC into
the PHY in 1000BASE-T mode.
1
Receive Data 0
RXD0
VO6
The PHY transfers data to the MAC using this
signal.
1
Receive Data 1
RXD1
VO6
The PHY transfers data to the MAC using this
signal.
1
Receive Data 2
RXD2
VO6
The PHY transfers data to the MAC using this
signal.
1
Receive Data 3
RXD3
VO6
The PHY transfers data to the MAC using this
signal.
1
Receive Data 4
RXD4
VO6
The PHY transfers data to the MAC using this
signal.
1
Receive Data 5
RXD5
VO6
The PHY transfers data to the MAC using this
signal.



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