Small Footprint MII/RMII 10/100 Ethernet Transceiver for Automotive Applications
Datasheet
Table 2.1 MII/RMII Signals (continued)
BUFFER
NUM PINS
NAME
SYMBOL
TYPE
DESCRIPTION
Receive Error
RXER
VO8
This signal is asserted to indicate that an error
was detected somewhere in the frame presently
being transferred from the transceiver.
Note:
This signal is optional in RMII mode.
Receive
Data 4
(MII Mode)
RXD4
VO8
In Symbol Interface (5B decoding) mode, this
signal is the MII Receive Data 4 signal, the MSB
of the received 5-bit symbol code-group.
Note:
Unless configured to the Symbol
Interface mode, this pin functions as
RXER.
1
PHY Address
0
Configuration
Strap
PHYAD0
VIS
(PD)
Combined with PHYAD1 and PHYAD2, 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 37 for additional information.
Receive
Clock
(MII Mode)
RXCLK
VO8
In MII mode, this pin is the receive clock output.
MII (100BASE-TX): 25 MHz
MII (10BASE-T): 2.5 MHz
PHY Address
1
Configuration
Strap
PHYAD1
VIS
(PD)
Combined with PHYAD0 and PHYAD2, this
configuration strap sets the transceiver’s SMI
address.
1
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 37 for additional information.
Receive Data
Valid
RXDV
VO8
Indicates that recovered and decoded data is
available on the RXD pins.
Revision 1.1 (05-26-10)
12
SMSC LAN88710AM/LAN88710BM
DATASHEET
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