±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support and flexPWR® Technology in a Small Footprint
Datasheet
Table 3.2 LED Signals
SIGNAL NAME
TYPE
DESCRIPTION
SPEED100/
PHYAD0
IOPU
LED1 – SPEED100 indication. Active indicates that the selected
speed is 100Mbps. Inactive indicates that the selected speed is
10Mbps.
Note:
This signal is mux’d with PHYAD0
LINK/
PHYAD1
IOPU
IOPU
IOPU
LED2 – LINK ON indication. Active indicates that the Link
(100Base-TX or 10Base-T) is on.
Note:
This signal is mux’d with PHYAD1
ACTIVITY/
PHYAD2
LED3 – ACTIVITY indication. Active indicates that there is
Carrier sense (CRS) from the active PMD.
Note:
This signal is mux’d with PHYAD2
FDUPLEX/
PHYAD3
LED4 – DUPLEX indication. Active indicates that the PHY is in
full-duplex mode.
Note:
This signal is mux’d with PHYAD3
Table 3.3 Management Signals
TYPE
SIGNAL NAME
DESCRIPTION
MDIO
IOPD
IPD
Management Data Input/OUTPUT: Serial management data
input/output.
MDC
Management Clock: Serial management clock.
Table 3.4 Boot Strap Configuration Inputs (Note 3.1)
SIGNAL NAME
TYPE
DESCRIPTION
CRS/
PHYAD4
IOPU
PHY Address Bit 4: set the default address of the PHY. This
signal is mux’d with CRS
Note:
PHY Address Bit 3: set the default address of the PHY.
Note: This signal is mux’d with FDUPLEX
PHY Address Bit 2: set the default address of the PHY.
Note: This signal is mux’d with ACTIVITY
PHY Address Bit 1: set the default address of the PHY.
Note: This signal is mux’d with LINK
PHY Address Bit 0: set the default address of the PHY.
Note: This signal is mux’d with SPEED100
This signal is mux’d with CRS
FDUPLEX/
PHYAD3
IOPU
IOPU
IOPU
IOPU
IOPU
ACTIVITY/
PHYAD2
LINK/
PHYAD1
SPEED100/
PHYAD0
RXD2/
MODE2
PHY Operating Mode Bit 2: set the default MODE of the PHY.
See Section 5.4.9.2, "Mode Bus – MODE[2:0]," on page 56, for
the MODE options.
Note:
This signal is mux’d with RXD2
SMSC LAN8700/LAN8700i
Revision 2.3 (04-12-11)
DATA1S5HEET
SMSC [ SMSC CORPORATION ]
