Intel 82555 manual Jabber Timing Parameters, Receive Packet Timing Parameters

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Networking Silicon — 82555

T X C L K

T X E N

T20

C O L

T21

Figure 20. Squelch Test Timing Parameters

11.4.6Jabber Timing Parameters

	Symbol	Parameter	Conditions	Min	Typ	Max	Units


		Jabber turn-on delay (TXEN
T22	TJAB_ON	asserted to end of transmit	10 Mbps		26		ms
		frame)

T23	TJAB_OFF	Jabber turn-off delay (TXEN de-	10 Mbps		410		ms
T23	TJAB_OFF	asserted to falling edge of COL)	10 Mbps		410		ms

T X E N

T23

C O L

T22

T D P / T D N

Figure 21. Jabber Timing Parameters

11.4.7Receive Packet Timing Parameters

	Symbol	Parameter	Conditions	Min	Typ	Max	Units


T24	TR_CRSH	Start of receive frame to rising	100 Mbps	11		13	bits
T24	TR_CRSH	edge of CRS	100 Mbps	11		13	bits
T24a	TR_CRSH	Start of receive frame to rising	10 Mbps	3		5	bits
T24a	TR_CRSH	edge of CRS	10 Mbps	3		5	bits
T25	TR_RXDVH	Start of receive frame to rising	100 Mbps			15	bits
T25	TR_RXDVH	edge of RXDV	100 Mbps			15	bits
		edge of RXDV

T25a	TR_RXDVH	Start of receive frame to rising	10 Mbps			22	bits
T25a	TR_RXDVH	edge of RXDV	10 Mbps			22	bits
		edge of RXDV

T26	TR_CRSL	End of receive frame to falling	100 Mbps	14		16	bits
T26	TR_CRSL	edge of CRS	100 Mbps	14		16	bits

Datasheet

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Contents 82555 10/100 Mbps LAN Physical Layer Interface Product FeaturesRevision Description Networking SiliconContents Repeater Mode Compliance to Industry Standards IntroductionFunctional Overview Networking Silicon Architectural Overview 100 Mbps ModeMII TX Interface 10 Mbps ModeMedia Independent Interface MII Yes Transmit Error From RICRepeater mode only Pin Numbers and Labels Pin DefinitionsTwisted Pair Ethernet TPE Pins Clock PinsMedia Independent Interface MII Pins Pin TypesMedia Access Control/Repeater Interface Control Pins External Bias Pins LED PinsMiscellaneous Control Pins VSS Power and Ground PinsVCC Symbol 5B Symbol Code 4B Nibble Code 100BASE-TX Adapter Mode Operation100BASE-TX Transmit Clock Generation 100BASE-TX Transmit BlocksInvalid 2 100BASE-TX Scrambler and MLT-3 Encoder3 100BASE-TX Transmit Framing NRZ to MLT-3 Encoding DiagramVendor Model/Type 100BASE-TX Receive BlocksTransmit Driver 100BASE-TX Collision Detection Combination Tx/T4 Auto-Negotiation Solution 100BASE-TX Link Integrity and Auto-Negotiation SolutionLink Integrity Auto-NegotiationAuto 10/100 Mbps Speed Selection Adapter Mode AddressesNetworking Silicon Datasheet 10BASE-T Transmit Clock Generation 10BASE-T Functionality in Adapter Mode10BASE-T Transmit Blocks 10BASE-T Receive Blocks10BASE-T Collision Detection 3 10BASE-T Error Detection and Reporting10BASE-T Link Integrity 10BASE-T Jabber Control Function10BASE-T Full Duplex Networking Silicon Datasheet Connectivity Repeater ModeSpecial Repeater Features Clock Signal Example MDI Frame Structure Management Data InterfaceMDI Registers Bits Name Description DefaultMDI Registers 0 Transition10BASE-T Register 1 Status Register Bit DefinitionsRegister 2 82555 Identifier Register Bit Definitions MDI Registers 16 MDI Registers 8100BASE-TX Register 17 82555 Special Control Bit Definitions150 Actled Liled Register 22 Receive Symbol Error Counter Bit DefinitionsAuto-Negotiation Functionality Bit Setting TechnologyDescription Priority TechnologyPriority Parallel Detect and Auto-NegotiationAuto-Negotiation and Parallel Detect Networking Silicon Datasheet LED Descriptions Networking Silicon Datasheet Reset Reset and Miscellaneous Test ModesLoopback Scrambler BypassNumber Code Test Instruction Select Input to Tout Test Instruction CodingDC Characteristics Electrical Specifications and Timing ParametersAbsolute Maximum Ratings General Operating ConditionsTotal supply current 230 Leakage on analog pins 11.3.3 100BASE-TX Voltage/Current DC CharacteristicsSymbol Parameter Conditions Min Typ Max Units AC CharacteristicsMII Clock Specifications MII Clocks AC Timing MII Timing ParametersRXC tri-stated a Repeater Mode Timing ParametersSquelch Test Timing Parameters Transmit Packet Timing ParametersReceive Packet Timing Parameters Jabber Timing ParametersAuto-Negotiation Fast Link Pulse FLP Timing Parameters 11.4.8 10BASE-T Normal Link Pulse NLP Timing Parameters11.4.11 X1 Clock Specifications Reset Timing ParametersX1 Clock Specifications 11.4.12 100BASE-TX Transmitter AC Specification12.0 82555 Package Information Symbol Description Min Norm Max10.0