LAN8187_06 Datasheet, PDF (47/72 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 5.40 Register 27 - Special Control/Status Indications (continued)
ADDRESS
NAME
DESCRIPTION
MODE DEFAULT
27.14
AMDIX_ENABLE HP Auto-MDIX control
RW
0
0 - Auto-MDIX disabled (use 27.13 to control channel)
1 - Auto-MDIX enable
Note: This bit can only be used if 27.15 is a 1.
27.13
CH_SELECT
Manual Channel Select
0 - MDI -TX transmits RX receives
1 - MDIX -TX receives RX transmits
RW
0
Note: This bit can only be used if 27.15 is a 1 and
27.14 is a 0.
27.12
Reserved
Write as 0. Ignore on read.
RW
0
27:11
SQEOFF
Disable the SQE (Signal Quality Error) test
(Heartbeat):
0 - SQE test is enabled.
1 - SQE test is disabled.
RW,
0
NASR
27.10:5
Reserved
Write as 0. Ignore on read.
RW
000000
27.4
XPOL
Polarity state of the 10Base-T:
0 - Normal polarity
1 - Reversed polarity
RO
0
27.3:0
Reserved
Reserved
RO
XXXXb
ADDRESS
28.15:0
Table 5.41 Register 28 - Special Internal Testability Controls
NAME
Reserved
DESCRIPTION
Do not write to this register. Ignore on read.
MODE DEFAULT
RW
N/A
ADDRESS
29.15:8
29.7
29.6
29.5
29.4
29.3
29.2
Table 5.42 Register 29 - Interrupt Source Flags
NAME
Reserved
DESCRIPTION
Ignore on read.
INT7
INT6
INT5
INT4
INT3
INT2
1 = ENERGYON generated
0 = not source of interrupt
1 = Auto-Negotiation complete
0 = not source of interrupt
1 = Remote Fault Detected
0 = not source of interrupt
1 = Link Down (link status negated)
0 = not source of interrupt
1 = Auto-Negotiation LP Acknowledge
0 = not source of interrupt
1 = Parallel Detection Fault
0 = not source of interrupt
SMSC LAN8187/LAN8187I
47
DATASHEET
MODE DEFAULT
RO/
0
LH
RO/
X
LH
RO/
X
LH
RO/
X
LH
RO/
X
LH
RO/
X
LH
RO/
X
LH
Revision 1.0 (12-14-06)