LAN8710 Datasheet, PDF (45/79 Pages) SMSC Corporation – MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology in a Small Footprint

MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR^® Technology in a Small Footprint
Datasheet
Table 5.32 Register 27 - Special Control/Status Indications
ADDRESS
27.15
27.14
27.13
27.12
27:11
27.10:5
27.4
27.3:0
NAME
AMDIXCTRL
Reserved
CH_SELECT
Reserved
SQEOFF
Reserved
XPOL
Reserved
DESCRIPTION
MODE DEFAULT
HP Auto-MDIX control
RW
0
0 - Auto-MDIX enable
1 - Auto-MDIX disabled (use 27.13 to control channel)
Reserved
RW
0
Manual Channel Select
0 - MDI -TX transmits RX receives
1 - MDIX -TX receives RX transmits
RW
0
Write as 0. Ignore on read.
RW
0
Disable the SQE (Signal Quality Error) test
(Heartbeat):
0 - SQE test is enabled.
1 - SQE test is disabled.
RW,
0
NASR
Write as 0. Ignore on read.
RW
000000
Polarity state of the 10Base-T:
0 - Normal polarity
1 - Reversed polarity
RO
0
Reserved
RO
XXXXb
ADDRESS
28.15:0
Table 5.33 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 5.34 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
MODE DEFAULT
RO/
0
LH
RO/
X
LH
RO/
X
LH
RO/
X
LH
RO/
X
LH
RO/
X
LH
RO/
X
LH
SMSC LAN8710/LAN8710i
45
DATASHEET
Revision 1.0 (04-15-09)