Texas Instruments TMS320DM36X manual Mdio Version Register Version

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4MDIO Registers

Table 22 lists the memory-mapped registers for the MDIO module. See the device-specific data manual for the memory address of these registers.

Table 22. Management Data Input/Output (MDIO) Registers

Offset	Acronym	Register Description	Section
0h	VERSION	MDIO Version Register	Section 4.1
4h	CONTROL	MDIO Control Register	Section 4.2
8h	ALIVE	PHY Alive Status register	Section 4.3
Ch	LINK	PHY Link Status Register	Section 4.4
10h	LINKINTRAW	MDIO Link Status Change Interrupt (Unmasked) Register	Section 4.5
14h	LINKINTMASKED	MDIO Link Status Change Interrupt (Masked) Register	Section 4.6
20h	USERINTRAW	MDIO User Command Complete Interrupt (Unmasked) Register	Section 4.7
24h	USERINTMASKED	MDIO User Command Complete Interrupt (Masked) Register	Section 4.8
28h	USERINTMASKSET	MDIO User Command Complete Interrupt Mask Set Register	Section 4.9
2Ch	USERINTMASKCLEAR	MDIO User Command Complete Interrupt Mask Clear Register	Section 4.10
80h	USERACCESS0	MDIO User Access Register 0	Section 4.11
84h	USERPHYSEL0	MDIO User PHY Select Register 0	Section 4.12
88h	USERACCESS1	MDIO User Access Register 1	Section 4.13
8Ch	USERPHYSEL1	MDIO User PHY Select Register 1	Section 4.14

4.1MDIO Version Register (VERSION)

The MDIO version register (VERSION) is shown in Figure 26 and described in Table 23.

Figure 26. MDIO Version Register (VERSION)

31			16
		MODID
		R-7h
15	8	7	0
	REVMAJ		REVMIN
	R-1h		R-4h

LEGEND: R = Read only; -n= value after reset

Table 23. MDIO Version Register (VERSION) Field Descriptions

Bit	Field	Value	Description
31-16	MODID	0-FFFFh	Identifies type of peripheral.
		7h	MDIO
15-8	REVMAJ	0-FFh	Identifies major revision of peripheral.
		1h	Current major revision of peripheral.
7-0	REVMIN	0-FFh	Identifies minor revision of peripheral.
		4h	Current minor revision of peripheral.

70 Ethernet Media Access Controller (EMAC)/Management Data Input/Output SPRUFI5B –March 2009 –Revised December 2010

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