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