SMSC LAN8710, LAN8710i, MII 10/100, RMII 10/100 manual 45

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	NAME		DESCRIPTION	MODE	DEFAULT
27.15	AMDIXCTRL	HP Auto-MDIX control		RW	0
		0	- Auto-MDIX enable
		1 - Auto-MDIX disabled (use 27.13 to control channel)
27.14	Reserved	Reserved		RW	0
27.13	CH_SELECT	Manual Channel Select		RW	0
		0	- MDI -TX transmits RX receives
		1	- MDIX -TX receives RX transmits
27.12	Reserved	Write as 0. Ignore on read.		RW	0
27:11	SQEOFF	Disable the SQE (Signal Quality Error) test		RW,	0
		(Heartbeat):		NASR
		0	- SQE test is enabled.
		1	- SQE test is disabled.
27.10:5	Reserved	Write as 0. Ignore on read.		RW	000000
27.4	XPOL	Polarity state of the 10Base-T:		RO	0
		0	- Normal polarity
		1	- Reversed polarity
27.3:0	Reserved	Reserved		RO	XXXXb

	Table 5.33	Register 28 - Special Internal Testability Controls
ADDRESS	NAME		DESCRIPTION	MODE	DEFAULT
28.15:0	Reserved	Do not write to this register. Ignore on read.		RW	N/A
	Table 5.34 Register 29 - Interrupt Source Flags
ADDRESS	NAME		DESCRIPTION	MODE	DEFAULT
29.15:8	Reserved	Ignore on read.		RO/	0
				LH
29.7	INT7	1	= ENERGYON generated	RO/	X
		0	= not source of interrupt	LH
29.6	INT6	1	= Auto-Negotiation complete	RO/	X
		0	= not source of interrupt	LH
29.5	INT5	1	= Remote Fault Detected	RO/	X
		0	= not source of interrupt	LH
29.4	INT4	1	= Link Down (link status negated)	RO/	X
		0	= not source of interrupt	LH
29.3	INT3	1	= Auto-Negotiation LP Acknowledge	RO/	X
		0	= not source of interrupt	LH
29.2	INT2	1	= Parallel Detection Fault	RO/	X
		0	= not source of interrupt	LH

SMSC LAN8710/LAN8710i	45	Revision 1.0 (04-15-09)
	DATASHEET