LAN8710A Datasheet, PDF (60/82 Pages) SMSC Corporation – Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology

Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR^® Technology
Datasheet
4.2.9 Special Modes Register
Index (In Decimal): 18
Size:
16 bits
BITS
15
14
13:8
7:5
4:0
DESCRIPTION
RESERVED
MIIMODE
Reflects the mode of the digital interface:
0 = MII Mode
1 = RMII Mode
Note: When writing to this register, the default value of this bit must
always be written back.
RESERVED
MODE
Transceiver mode of operation. Refer to Section 3.7.2, "MODE[2:0]: Mode
Configuration," on page 36 for additional details.
PHYAD
PHY Address. The PHY Address is used for the SMI address and for
initialization of the Cipher (Scrambler) key. Refer to Section 3.7.1,
"PHYAD[2:0]: PHY Address Configuration," on page 36 for additional details.
TYPE
RO
R/W
NASR
RO
R/W
NASR
R/W
NASR
DEFAULT
-
Note 4.4
-
Note 4.5
Note 4.6
Note 4.4
The default value of this field is determined by the RMIISEL configuration strap. Refer to
Section 3.7.3, "RMIISEL: MII/RMII Mode Configuration," on page 37 for additional
information.
Note 4.5 The default value of this field is determined by the MODE[2:0] configuration straps. Refer
to Section 3.7.2, "MODE[2:0]: Mode Configuration," on page 36 for additional information.
Note 4.6
The default value of this field is determined by the PHYAD[2:0] configuration straps. Refer
to Section 3.7.1, "PHYAD[2:0]: PHY Address Configuration," on page 36 for additional
information.
Revision 1.4 (08-23-12)
60
DATASHEET
SMSC LAN8710A/LAN8710Ai