Texas Instruments TMS320DM646x manual EMAC Control Module Registers, Field Descriptions

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EMAC Control Module Registers

3EMAC Control Module Registers

Table 9 lists the memory-mapped registers for the EMAC control module. See the device-specific data manual for the memory address of these registers.

Table 9. EMAC Control Module Registers

Slave VBUS
Address	Acronym	Register Description	Section
0h	CMIDVER	Identification and Version Register	Section 3.1
4h	CMSOFTRESET	Software Reset Register	Section 3.2
8h	CMEMCONTROL	Emulation Control Register	Section 3.3
Ch	CMINTCTRL	Interrupt Control Register	Section 3.4
10h	CMRXTHRESHINTEN	Receive Threshold Interrupt Enable Register	Section 3.5
14h	CMRXINTEN	Receive Interrupt Enable Register	Section 3.6
18h	CMTXINTEN	Transmit Interrupt Enable Register	Section 3.7
1Ch	CMMISCINTEN	Miscellaneous Interrupt Enable Register	Section 3.8
40h	CMRXTHRESHINTSTAT	Receive Threshold Interrupt Status Register	Section 3.9
44h	CMRXINTSTAT	Receive Interrupt Status Register	Section 3.10
48h	CMTXINTSTAT	Transmit Interrupt Status Register	Section 3.11
4Ch	CMMISCINTSTAT	Miscellaneous Interrupt Status Register	Section 3.12
70h	CMRXINTMAX	Receive Interrupts Per Millisecond Register	Section 3.13
74h	CMTXINTMAX	Transmit Interrupts Per Millisecond Register	Section 3.14

3.1EMAC Control Module Identification and Version Register (CMIDVER)

The identification and version register (CMIDVER) is shown in Figure 13 and described in Table 10.

Figure 13. EMAC Control Module Identification and Version Register (CMIDVER)

31					16
			EWIDENT
				R-2Dh
15	11	10	8	7	0
EWRTLVER		EWMAJORVER			EWMINORVER
R-1		R-1			R-1

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

Table 10. EMAC Control Module Identification and Version Register (CMIDVER)

Field Descriptions

Bit	Field	Value	Description
31-16	RXIDENT		EMAC control module identification.
		2Dh	Current EMAC control module identification value.
15-11	EWRTLVER		EMAC control module RTL version.
		1	Current EMAC control module RTL version value.
10-8	EWMAJORVER		EMAC control module major version. Revisions are indicated by a revision code taking the format
			EWMAJORVER.EWMINORVER.
		1	Current EMAC control module major version value.
7-0	EWMINORVER		EMAC control module minor version. Revisions are indicated by a revision code taking the format
			EWMAJORVER.EWMINORVER.
		1	Current EMAC control module minor version value.
SPRUEQ6–December 2007			Ethernet Media Access Controller (EMAC)/Management Data Input/Output (MDIO)	61
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