LAN8710A Datasheet, PDF (11/82 Pages) SMSC Corporation – Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology

NUM PINS
NAME
Receive
Data 0
PHY
Operating
1
Mode 0
Configuration
Strap
Receive
Data 1
PHY
Operating
1
Mode 1
Configuration
Strap
Receive
Data 2
(MII Mode)
MII/RMII
Mode Select
1
Configuration
Strap
Receive
Data 3
(MII Mode)
PHY Address
2
1
Configuration
Strap
Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR^® Technology
Datasheet
Table 2.1 MII/RMII Signals (continued)
SYMBOL
RXD0
MODE0
RXD1
MODE1
RXD2
RMIISEL
RXD3
PHYAD2
BUFFER
TYPE
DESCRIPTION
VO8
Bit 0 of the 4 (2 in RMII Mode) data bits that are
sent by the transceiver on the receive path.
VIS
(PU)
Combined with MODE1 and MODE2, this
configuration strap sets the default PHY mode.
See Note 2.1 for more information on
configuration straps.
Note:
Refer to Section 3.7.2, "MODE[2:0]:
Mode Configuration," on page 36 for
additional details.
VO8
Bit 1 of the 4 (2 in RMII Mode) data bits that are
sent by the transceiver on the receive path.
VIS
(PU)
Combined with MODE0 and MODE2, this
configuration strap sets the default PHY mode.
See Note 2.1 for more information on
configuration straps.
Note:
Refer to Section 3.7.2, "MODE[2:0]:
Mode Configuration," on page 36 for
additional details.
VO8
Bit 2 of the 4 (in MII Mode) data bits that are sent
by the transceiver on the receive path.
Note: This signal is not used in RMII Mode.
VIS
(PD)
This configuration strap selects the MII or RMII
mode of operation. When strapped low to VSS,
MII Mode is selected. When strapped high to
VDDIO RMII Mode is selected.
See Note 2.1 for more information on
configuration straps.
Note:
Refer to Section 3.7.3, "RMIISEL:
MII/RMII Mode Configuration," on
page 37 for additional details.
VO8
Bit 3 of the 4 (in MII Mode) data bits that are sent
by the transceiver on the receive path.
Note: This signal is not used in RMII Mode.
VIS
(PD)
Combined with PHYAD0 and PHYAD1, this
configuration strap sets the transceiver’s SMI
address.
See Note 2.1 for more information on
configuration straps.
Note:
Refer to Section 3.7.1, "PHYAD[2:0]:
PHY Address Configuration," on
page 36 for additional information.
SMSC LAN8710A/LAN8710Ai
11
DATASHEET
Revision 1.4 (08-23-12)