LAN8187I SMSC [SMSC Corporation], LAN8187I Datasheet - Page 46

• Manufacturer Part Number: LAN8187I
• Description: High-Performance MII and RMII 10/100 Ethernet PHY with HP Auto-MDIX
• Manufacturer: SMSC [SMSC Corporation]

Revision 0.6 (02-24-06)
ADDRESS
ADDRESS
ADDRESS
28.15:0
18.7:5
18.4:0
27.3:0
27.15
27.14
27.13
27.12
27:11
27:10
27.9
27.8
27.7
27.6
27.5
27.4
SWRST_FAST
VCOOFF_LP
CH_SELECT
AMDIXCTRL
AUTONEGS
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
SQEOFF
PHYAD
NAME
MODE
NAME
NAME
XPOL
Table 5.41 Register 28 - Special Internal Testability Controls
Table 5.40 Register 27 - Special Control/Status Indications
Table 5.39 Register 18 - Special Modes (continued)
PHY Mode of operation. Refer to
"Mode Bus – MODE[2:0]," on page 51
details.
PHY Address.
The PHY Address is used for the SMI address and for
the initialization of the Cipher (Scrambler) key. Refer
to
PHYAD[4:0]," on page 51
HP Auto-MDIX control
0 - Auto-MDIX enable
1 - Auto-MDIX disabled (use 27.13 to control channel)
Reserved
Manual Channel Select
0 - MDI -TX transmits RX receives
1 - MDIX -TX receives RX transmits
1 = Accelerates SW reset counter from 256 ms to 10
Disable the SQE test (Heartbeat):
0 - SQE test is enabled.
1 - SQE test is disabled.
Forces the Receive PLL 10M to lock on the reference
clock at all times:
0 - Receive PLL 10M can lock on reference or line as
1 - Receive PLL 10M is locked on the reference clock.
In this mode 10M data packets cannot be received.
Write as 0. Ignore on read.
Write as 0. Ignore on read.
Write as 0. Ignore on read
Write as 0. Ignore on read.
Write as 0. Ignore on read.
Polarity state of the 10Base-T:
0 - Normal polarity
1 - Reversed polarity
Auto-negotiation “ARB” State-machine state
Do not write to this register. Ignore on read.
Section 5.4.9.1, "Physical Address Bus -
needed (normal operation)
us for production testing.
DATASHEET
High-Performance MII and RMII 10/100 Ethernet PHY with HP Auto-MDIX
DESCRIPTION
DESCRIPTION
DESCRIPTION
46
for more details.
Section 5.4.9.2,
for more
SMSC LAN8187/LAN8187I
MODE
MODE
MODE
NASR
NASR
NASR
NASR
RW,
RW,
RW,
RW,
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RW
DEFAULT
DEFAULT
DEFAULT
PHYAD
1011b
Datasheet
N/A
0
0
0
0
0
0
0
0
0
0
0