lan8710a Standard Microsystems Corp., lan8710a Datasheet - Page 31

• Manufacturer Part Number: lan8710a
• Description: Small Footprint Mii/rmii 10/100 Ethernet Transceiver With Hp Auto-mdix And Flexpwr Technology
• Manufacturer: Standard Microsystems Corp.

Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR
Datasheet
SMSC LAN8710A/LAN8710Ai
COL/CRS_DV/MODE2
Note 3.1
Note 3.2
nINT/TXER/TXD4
RXCLK/PHYAD1
RXD2/RMIISEL
RXD4/PHYAD0
RXD3/PHYAD2
RXD0/MODE0
RXD1/MODE1
XTAL1/CLKIN
PIN NAME
TXCLK
RXER/
RXDV
TXD0
TXD1
TXEN
TXD2
TXD3
CRS
In RMII mode, this pin needs to tied to VSS.
The RXER signal is optional on the RMII bus. This signal is required by the transceiver,
but it is optional for the MAC. The MAC can choose to ignore or not use this signal.
Table 3.2 MII/RMII Signal Mapping
DATASHEET
31
®
XTAL1/CLKIN
Technology
MII MODE
RXCLK
TXCLK
TXER/
RXER
RXDV
TXEN
RXD0
RXD1
RXD2
RXD3
TXD0
TXD1
TXD2
TXD3
TXD4
COL
CRS
RMII MODE
REF_CLK
CRS_DV
Note 3.2
Note 3.1
Note 3.1
TXEN
RXER
RXD0
RXD1
Revision 1.2 (08-10-10)
TXD0
TXD1