LAN8187_06 Datasheet, PDF (46/72 Pages) SMSC Corporation – ±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM

±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR^TM
Datasheet
Table 5.38 Register 17 - Mode Control/Status (continued)
ADDRESS
NAME
DESCRIPTION
MODE DEFAULT
17.6
ALTINT
Alternat Interrupt Mode.
RW
0
0 = Primary interrupt system enabled (Default).
1 = Alternate interrupt system enabled.
See Section 5.3, "Interrupt Management," on page 49.
17.5:4
Reserved
Write as 0, ignore on read.
RW
00
17.3
PHYADBP
1 = PHY disregards PHY address in SMI access
RW
0
write.
17.2
Force
0 = normal operation;
Good Link Status ^{1 = force 100TX- link active;}
RW
0
Note: This bit should be set only during lab testing
17.1
ENERGYON
ENERGYON – indicates whether energy is detected
RO
1
on the line (see Section 5.4.5.2, "Energy Detect
Power-Down," on page 51); it goes to “0” if no valid
energy is detected within 256ms. Reset to “1” by
hardware reset, unaffected by SW reset.
17.0
Reserved
Write as 0, ignore on read.
RW
0
ADDRESS
18.15:14
18.13:8
18.7:5
18.4:0
NAME
MIIMODE
Reserved
MODE
PHYAD
Table 5.39 Register 18 - Special Modes
DESCRIPTION
MODE DEFAULT
MII Mode: set the mode of the MII:
0 – MII interface.
1 – RMII interface
RW,
NASR
Write as 0, ignore on read.
RW,
NASR
000000
PHY Mode of operation. Refer to Section 5.4.9.2,
"Mode Bus – MODE[2:0]," on page 53 for more
details.
RW,
NASR
XXX
EVB8700
default
111
PHY Address.
The PHY Address is used for the SMI address and for
the initialization of the Cipher (Scrambler) key. Refer
to Section 5.4.9.1, "Physical Address Bus -
PHYAD[4:0]," on page 53 for more details.
RW,
NASR
PHYAD
EVB8700
default
11111
ADDRESS
27.15
Table 5.40 Register 27 - Special Control/Status Indications
NAME
AMDIXIOCTRL
DESCRIPTION
MODE DEFAULT
Enables the external AMDIX and CH_SELECT pins
RW
0
0 - External pins AMDIX_EN and CH_SELECT control
the AMDIX.
1 - Internal bits 27.14 and 27.13 control the AMDIX.
Note: Please see Table 4.3, “Auto-MDIX Control,”
on page 30
Revision 1.0 (12-14-06)
46
DATASHEET
SMSC LAN8187/LAN8187I