lan8187 Standard Microsystems Corp., lan8187 Datasheet - Page 47

• Manufacturer Part Number: lan8187
• Description: Lan8187/lan8187i ?15kv Esd Protected Mii/rmii 10/100 Ethernet Transceiver With Hp Auto-mdix & Flexpwr Technology
• Manufacturer: Standard Microsystems Corp.

±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX & flexPWR
Datasheet
SMSC LAN8187/LAN8187i
ADDRESS
ADDRESS
ADDRESS
27.10:5
28.15:0
29.15:8
27.3:0
27.15
27.14
27.13
27.12
27:11
27.4
29.7
29.6
29.5
AMDIX_ENABLE
AMDIXIOCTRL
CH_SELECT
Reserved
Reserved
Reserved
Reserved
Reserved
SQEOFF
NAME
NAME
NAME
XPOL
INT6
INT5
INT7
Table 5.42 Register 28 - Special Internal Testability Controls
Table 5.41 Register 27 - Special Control/Status Indications
Table 5.43 Register 29 - Interrupt Source Flags
Enables the external AMDIX and CH_SELECT pins
0 - External pins AMDIX_EN and CH_SELECT control
1 - Internal bits 27.14 and 27.13 control the AMDIX.
Note:
HP Auto-MDIX control
0 - Auto-MDIX disabled (use 27.13 to control channel)
1 - Auto-MDIX enable
Note:
Manual Channel Select
0 - MDI -TX transmits RX receives
1 - MDIX -TX receives RX transmits
Note:
Write as 0. Ignore on read.
Disable the SQE (Signal Quality Error) test
(Heartbeat):
0 - SQE test is enabled.
1 - SQE test is disabled.
Write as 0. Ignore on read.
Polarity state of the 10Base-T:
0 - Normal polarity
1 - Reversed polarity
Reserved
Do not write to this register. Ignore on read.
Ignore on read.
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
the AMDIX.
Please see
on page 30
This bit can only be used if 27.15 is a 1.
This bit can only be used if 27.15 is a 1 and
27.14 is a 0.
DATASHEET
DESCRIPTION
DESCRIPTION
DESCRIPTION
47
Table 4.3, “Auto-MDIX Control,”
TM
Technology
MODE
MODE
MODE
NASR
RW,
Revision 1.5 (01-10-08)
RW
RW
RW
RW
RW
RO/
RO/
RO/
RO/
RO
RO
RW
LH
LH
LH
LH
DEFAULT
DEFAULT
DEFAULT
000000
XXXXb
N/A
0
0
0
0
0
0
X
X
X
0