Texas Instruments TMS320DM646x manual Contents

Contents

Preface				10
1	Introduction			12
	1.1	Purpose of the Peripheral		12
	1.2	Features		12
	1.3	Functional Block Diagram		13
	1.4	Industry Standard(s) Compliance Statement		14
2	Architecture			14
	2.1	Clock Control		14
	2.2	Memory Map		15
	2.3	Signal Descriptions		15
	2.4	Ethernet Protocol Overview		19
	2.5	Programming Interface		20
	2.6	EMAC Control Module		31
	2.7	MDIO Module		34
	2.8	EMAC Module		38
	2.9	Media Independent Interface (MII)		41
	2.10	Packet Receive Operation		45
	2.11	Packet Transmit Operation		50
	2.12	Receive and Transmit Latency		50
	2.13	Transfer Node Priority		51
	2.14	Reset Considerations		51
	2.15	Initialization		52
	2.16	Interrupt Support		56
	2.17	Power Management		60
	2.18	Emulation Considerations		60
3	EMAC Control Module Registers			61
	3.1	EMAC Control Module Identification and Version Register (CMIDVER)		61
	3.2	EMAC Control Module Software Reset Register (CMSOFTRESET)		62
	3.3	EMAC Control Module Emulation Control Register (CMEMCONTROL)		62
	3.4	EMAC Control Module Interrupt Control Register (CMINTCTRL)		63
	3.5	EMAC Control Module Receive Threshold Interrupt Enable Register
		(CMRXTHRESHINTEN)		64
	3.6	EMAC Control Module Receive Interrupt Enable Register (CMRXINTEN)		64
	3.7	EMAC Control Module Transmit Interrupt Enable Register (CMTXINTEN)		65
	3.8	EMAC Control Module Miscellaneous Interrupt Enable Register (CMMISCINTEN)		66
	3.9	EMAC Control Module Receive Threshold Interrupt Status Register
		(CMRXTHRESHINTSTAT)		67
	3.10	EMAC Control Module Receive Interrupt Status Register (CMRXINTSTAT)		67
	3.11	EMAC Control Module Transmit Interrupt Status Register (CMTXINTSTAT)		68
	3.12	EMAC Control Module Miscellaneous Interrupt Status Register (EWMISCSTAT)		69
	3.13	EMAC Control Module Receive Interrupts per Millisecond Register (CMRXINTMAX)		70
	3.14	EMAC Control Module Transmit Interrupts per Millisecond Register (CMTXINTMAX)		70
4	MDIO Registers			71
	4.1	MDIO Version Register (VERSION)		71
	4.2	MDIO Control Register (CONTROL)		72
SPRUEQ6–December 2007			Table of Contents	3

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