Delta Electronics LCP-1250RJ3SR-S Manuel utilisateur

LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

1 Oct. 17. 2007 Rev. 1.02

www.deltaww.com

Description

The LCP-1250RJ3SR-S is a 3.3V copper

small form-factor pluggable (SFP) transceiver.

It offers full duplex 1000M/s Ethernet by

transporting data over standard CAT 5 UTP

cable（category 5 unshielded twisted pair, with

R J-45 connection. It takes signals from both

CAT 5 UTP cable and the SFP SerDes

interface.

The system host （MAC）must enable

SGMII auto-negotiation while

LCP-1250RJ3SR-S is oper ated to setup the

partner linking at one speed of 10/100/1000

Mbps by 1000Base-T auto-negot iation.

The Gigabit Ethernet SFP ports on host

systems can work well plugging with both of

Delta fiber SFP transceiver and Delta copper

SFP transceiver, so there is no need of

software to configure MAC on host system.

At enhance, the software can configure the PHY

device inner LCP-1250RJ3SR-S via SFP

two-wire-interface. The SGMII interface without

clock is selected by setting HWCFG_MODE[3:0]

bits to ‘1100’ or ‘1000’.

Features

 Compliant with specifications for IEEE

802.3z/Gigabit Ethernet

 Compliant with MSA specifications for Small

Form Factor Pluggable （SFP）Ports

 Hot-pluggable SFP footprint

 10/100/1000 BASE-T operation in the host

system with SGMII interface (Default)

 1000 BASE-T operation in the host system with

SerDes interface (To be configured)

 Compliant with industry standard RFT electrical

connector and cage

 EEPROM with serial ID functionality

 Auto-Negotiation follows IEEE 802.3u Clause

28 (1000BASE-T) and Cisco SGMII Spec.

 Compatible with the Cisco specification of

SGMII interface.LCP-1250RJ3SR-S supports

the SGMII interface without clock on MAC side.

 Gigabit PHY device is integrated internally

 Internal PHY IC is configurable by host system

software via SFP 2-wire-interface.

Applications

 Gigabit Ethernet over copper

 Switch to Switch interface

 Switched backplane applications

 File server interface

Performance

 LCP-1250RJ3SR-S data link up to 100m on

standard CAT 5 UTP

LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

2 Oct. 17. 2007 Rev. 1.02

www.deltaww.com

Product Selection

Part Number LCP-1250RJ3SR

*note1

LCP-1250RJ3SR-L

*note2

LCP-1250RJ3SR-S

*note3

Link Indictor On RX_LOS

Pin N/A Available N/A

Auto-ne

otiation on MAC

side Enabled by default 1000Base-X Yes SGMII

MAC side Interface 1.25Gbps SerDes 1.25Gbps SerDes SGMII without clock

Auto-ne

otiation on

copper side Enabled b

default 1000Base-T 1000Base-T 1000Base-T

Speed Mode (default) 1000Mbps only 1000Mbps only 10/100/1000Mbps

Notes:

1. This part supports the 1000 Base-T with SerDes interface by default. It can operate in 10/100/1000

Base-T with SGMII interface by reconfiguration of the PHY within the SFP.

2. This part uses the SFP’s Rx-Los pin for link indication and 1000 Base-T auto-negotiation should be

disabling on the host system. It can operate in 10/100/1000 Base-T with SGMII interface by

reconfiguration of the PHY within the SFP.

3. This part supports the 10/100/1000 Base-T with SGMII interface by default. It can operate in 1000

Base-T with SerDes interface by reconfiguration of the PHY within the SFP.

Serial Interface Configuration (PHY Two-Wire Address 0xAC)

27 3:0

HWCFG_

MODE

R/W Changes to these bits are disruptive to the normal

operation; hence, any changes to these registers must be

followed by software reset to take effect.

Upon hardware reset Register 27.3:0 defaults to the value

in HWCFG_MODE[3:0].

0100 = SGMII without Clock with SGMII Auto-Neg to

copper

1000 = 1000BASE-X without Clock with 1000BASE-X

Auto-Neg to copper (GBIC)

1100 = 1000BASE-X without Clock without 1000BASEX

Auto-Neg to copper

Absolute Maximum Ratings

Parameter Symbol Min. Typ. Max. Unit Note

Storage Temperature Ts −40 85 ºC

Supply Voltage VCC 0 5 V

Recommended Operating Conditions

Parameter Symbol Min. Typ. Max. Unit Note

Ambient Operating Temperature TA0 70 ºC

Supply Voltage VCC 3.135 3.465 V

LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

3 Oct. 17. 2007 Rev. 1.02

www.deltaww.com

Electrical Characteristics

(TA=0 ºC to 70 ºC, VCC=3.135V to 3.465V)

Parameter Symbol Min. Typ. Max. Unit Note

Supply Current ICC 350 400 mA

Transmitter

Transmitter Differential Input Voltage VD,TX 0.5 2.4 V 1

Differential Input Impedance ZTX 80 100 120 Ohm

Transmitter Disable Input-High VDISH 2.0 VCC+0.3 V

Transmitter Disable Input-Low VDISL 0 0.8 V

Receiver

Data Output Differential Voltage VD,RX 0.35 2 V 3

Differential Output Impedance ZRX 80 100 120 Ohm

Data Output Rise/Fall Time tr,Rx/ tf,Rx 180 ps 4

Notes:

1. Internally AC coupled and terminated to 100-Ohm differential load.

2. Pull up to VCC with a 4.7K – 10K Ohm resistor on host Board

3. Internally AC coupled, but requires a 100-Ohm differential termination at MAC side.

4. These are unfiltered 20%~80% values

SFP Transceiver Electrical Pad Layout

LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

4 Oct. 17. 2007 Rev. 1.02

www.deltaww.com

Pin Function Definitions

Pin Num. Name Function Plug Seq. Notes

1 VeeT Transmitter Ground 1 Note 5

2 TX Fault Transmitter Fault Indication 3 Note 1 - Function not available

3 TX Disable Transmitter Disable 3 Note 2 - Module disables on high or

open

4 MOD-DEF2 Module Definition 2 3 Note 3 - Two-wire serial ID interface

5 MOD-DEF1 Module Definition 1 3 Note 3 - Two-wire serial ID interface

6 MOD-DEF0 Module Definition 0 3 Note 3 - grounded in module

7 Rate Select Not Connect 3 Function not available

8 LOS Loss of Signal 3 Note 4 - Function not available

9 VeeR Receiver Ground 1 Note 5

10 VeeR Receiver Ground 1 Note 5

11 VeeR Receiver Ground 1 Note 5

12 RD- Inverse Received Data Out 3 Note 6

13 RD+ Received Data Out 3 Note 6

14 VeeR Receiver Ground 1 Note 5

15 VccR Receiver Power 2 Note 7 - 3.3V ± 5%

16 VccT Transmitter Power 2 Note 7 - 3.3V ± 5%

17 VeeT Transmitter Ground 1 Note 5

18 TD+ Transmitter Data In 3 Note 8

19 TD- Inverse Transmitter Data In 3 Note 8

20 VeeT Transmitter Ground 1 Note 5

Plug Seq.: Pin engagement sequence during hot plugging.

LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

5 Oct. 17. 2007 Rev. 1.02

www.deltaww.com

Notes:

1) TX Fault is not supported and tied to ground.

2) TX disable is an input that is used to reset the chip of Gigabit Ethernet PHY inside the copper SFP. It is pulled

up within the module with a 4.7 – 10 K resistor.

Low (0 – 0.8V): Transmitter on

(>0.8, < 2.0V): Undefined

High (2.0 – 3.465V): Transmitter Disabled

Open: Transmitter Disabled

3) These are the module definition pins. They should be pulled up with a 4.7K – 10Kresistor on the host board.

The pull-up voltage shall be VccT or VccR. MOD-DEF 0 is grounded in the module to indicate that the module is

present. MOD-DEF 1 and MOD-DEF 2 are the clock and data lines of the two-wire serial interface, respectively.

4) LOS (Loss of Signal) is not supported and tied to ground.

5) VeeR and VeeT are internally connected within the copper SFP.

6) RD+ and RD- are the received differential outputs, and they are AC-coupled 100differential lines that should be

terminated with 100(differential) at user’s SERDES. The AC coupling is done inside the copper SFP and thus

not required on the host board. The differential voltage swing will be between 250mV and 625 mV, while properly

terminated.

7) VccR and VccT are the receiver and transmitter power supplies, and they are internally connected within the

copper SFP. The power rail is defined as 3.3V ±5% at the SFP connector pin.

8) TD+ and TD- are the transmitted differential inputs, and they are terminated with 100differential load

inside the module. The AC coupling is done inside the module, and thus not required on the host

board.

LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

6 Oct. 17. 2007 Rev. 1.02

www.deltaww.com

Recommend Circuit Schematic

LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

7 Oct. 17. 2007 Rev. 1.02

www.deltaww.com

Package Outline Drawing for Metal Housing

LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

8 Oct. 17. 2007 Rev. 1.02

www.deltaww.com

LCP-1250RJ3SR-S EEPROM Serial ID Memory Contents (Two-Wire Address A0h)

Address Hex ASCII Address Hex ASCII Address Hex ASCII Address Hex ASCII Address Hex ASCII Address Hex ASCII

00 03 25 20 50 33 3 75 SN 100 00 125 00

01 04 26 20 51 53 S 76 SN 101 00 126 00

02 00 27 20 52 52 R 77 SN 102 00 127 00

03 00 28 20 53 2D - 78 SN 103 00

04 00 29 20 54 53 S 79 SN 104 00

05 00 30 20 55 20 80 SN 105 00

06 08 31 20 56 30 0 81 SN 106 00

07 00 32 20 57 30 0 82 SN 107 00

08 00 33 20 58 30 0 83 SN 108 00

09 00 34 20 59 30 0 84 DC Note 3 109 00

10 00 35 20 60 00 85 DC 110 00

11 01 36 00 61 00 86 DC 111 00

12 0D 37 00 62 00 87 DC 112 00

13 00 38 00 63 CS1 Note 1 88 DC 113 00

14 00 39 00 64 00 89 DC 114 00

15 00 40 4C L 65 01 90 DC 115 00

16 00 41 43 C 66 00 91 DC 116 00

17 00 42 50 P 67 00 92 00 117 00

18 64 43 2D - 68 SN Note 2 93 00 118 00

19 00 44 31 1 69 SN 94 00 119 00

20 44 D 45 32 2 70 SN 95 CS2 Note 4 120 00

21 45 E 46 35 5 71 SN 96 00 121 00

22 4C L 47 30 0 72 SN 97 00 122 00

23 54 T 48 52 R 73 SN 98 00 123 00

24 41 A 49 4A J 74 SN 99 00 124 00

Notes:

1) Byte 63(CS1): Check sum of bytes 0-62.

2) Byte 68-83 (SN): Serial number.

3) Byte 84-91 (DC): Date code.

4) Byte 95 (CS2): Check sum of bytes 64-94.

5) Byte 128-255 had been set hex.00.

LCP-1250RJ3SR-S Internal PHY Register (Two-Wire Address 0xAC)

LCP-1250RJ3SR-S is internally designed of physical layer IC (Marvell 88E1111), which can be programmed

via two-wire interface with the device address 0xAC. For details of PHY IC registers in 88E1111, see

Marvell document “Alaska Ultra 88E1111 Integrated Gigabit Ethernet Transceiver”.

Electromagnetic Emission

FCC Class A, CE Class A, VCCI Class A, C-Tick

LCP-1250RJ3SR-S

DELTA ELECTRONICS, INC.

9 Oct. 17. 2007 Rev. 1.02

www.deltaww.com

Related Product

1. LCP-1250RJ3SR, SFP Copper Transceiver, IEEE 802.3z/Gigabit Ethernet, standard CAT 5 UTP

2. LCP-1250RJ3SR-L, SFP Copper Transceiver with Rx-Los Indicator, IEEE 802.3z/Gigabit Ethernet,

standard CAT 5 UTP

3. GBIC-1250RJ3SR, GBIC Transceiver, 1250Mb/s, data link up to 100 m on standard CAT 5 UTP.

References

1. “Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)”, September 14, 2000

2. “IEEE Std 802.3, 2002 Edition”. IEEE Standards Department, 2002.

3. “AT24C01A/02/04/08/16 2-Wire Serial CMOS EEPROM”, Atmel Corporation. www.atmel.com

4. “Alaska Ultra 88E1111 Integrated 10/100/1000 Gigabit Ethernet Transceiver”,

Marvell Corporation. www.marvell.com

5. “Serial-GMII Specification Revision 1.8”, Cisco System Corporation. www.cisco.com,

Table des matières

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