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National Semiconductor CLINK3V28BT-85 User Manual

Channel link demonstration kit
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Channel Link Evaluation Kit User Manual
Channel Link Demonstration Kit

User Manual

P/N CLINK3V28BT-85
Rev 2.1
Interface Products
LIT# CLINK3V28BT-85-UM
National Semiconductor Corporation
Rev 2.1
Interface Products
Date: 10/12/2005
Page 1 of 28

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Summary of Contents for National Semiconductor CLINK3V28BT-85

  • Page 1: User Manual

    Channel Link Evaluation Kit User Manual Channel Link Demonstration Kit User Manual P/N CLINK3V28BT-85 Rev 2.1 Interface Products LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 1 of 28...

  • Page 2: Table Of Contents

    TROUBLESHOOTING ....................19 ADDITIONAL INFORMATION..................20 ....................20 PPLICATION OTES APPENDIX ........................21 26-M ................21 CABLE AND CONNECTOR ..............28 RANSMITTER AND ECEIVER CHEMATICS LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 2 of 28...

  • Page 3: Introduction

    Channel Link Evaluation Kit User Manual Introduction: National Semiconductor - Interface Products Group Channel Link evaluation kit contains a Transmitter (Tx) board, a Receiver (Rx) board along with interfacing cables. This kit will demonstrate the Channel Link chipset transmitting data streams using Low Voltage Differential Signaling (LVDS).

  • Page 4: Transmitter

    1 to 2 meters is possible at the higher clock rates. Please refer to the chipset datasheet for more information and parametric tables. LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1...

  • Page 5: Power Connection

    Absolute Maximum Ratings section. The maximum voltage that should ever be applied to the Channel Link Transmitter (DS90CR287) or Receiver (DS90CR288A) Vcc terminal is +4V MAXIMUM. LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products...

  • Page 6: Receiver

    CLK- TXIN17 TXIN18 CLK+ TXIN19 TXIN20 TXIN21 OUT3- TXIN22 OUT3+ TXIN23 TXIN24 TXIN25 Pin 13 Pin 26 TXIN26 TXIN27 TXCLKIN Note: JP1 is not used LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 6 of 28...
  • Page 7 Settings PowerDown = ON = OFF (JP2) (ON: Tx is operational; OFF: Tx powers down) Default setting is JP2 set HIGH (to Vcc), operational mode. LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 7 of 28...
  • Page 8 TXIN19 TXOUT1 TXIN18 TXIN15 TXIN14 TXIN13 TXIN12 TXIN9 TXIN8 TXOUT0 TXIN7 TXIN6 TXIN4 TXIN3 TXIN2 TXIN1 TXIN0 Parallel LVTTL/LVCMOS Data Inputs Mapped to LVDS Outputs LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 8 of 28...

  • Page 9: Txin

    TxIN4 TxIN5 TxIN6 TxIN7 TxIN8 TxIN9 TxIN10 TxIN11 TxIN12 TxIN13 TxIN14 TxIN15 TxIN16 TxIN17 TxIN18 TxIN19 TxIN20 TxIN21 TxIN22 TxIN23 TxIN24 TxIN25 TxIN26 TxIN27 TxCLKIN LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 9 of 28...
  • Page 10 3_PIN_HEADER 0.1" spacing IDC30X2 IDC60 3M_MDR 26MDR R1,R2,R3,R4,R5,R6,R7,R8, Optional 0402 PAD R9,R10,R11,R12,R13,R14, R15,R16,R17,R18,R19,R20, R21,R22,R23,R24,R25,R26, R27,R28,R29 R30,R32,R33,R34,R35, 0 Ohm 0402 R36,R37 TP1,TP2 TP_.2"X.2" DS90CR287MTD 56-pin TSSOP LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 10 of 28...
  • Page 11 IN2- RXOUT13 IN2+ RXOUT12 RXOUT11 RXOUT10 CLK- RXOUT9 CLK+ RXOUT8 RXOUT7 RXOUT6 IN3- RXOUT5 RXOUT4 IN3+ RXOUT3 RXOUT2 RXOUT1 Pin 14 Pin 1 RXOUT0 RXCLKOUT LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 11 of 28...

  • Page 12: Selectable Jumper Settings For The T X Board

    Settings PowerDown = ON = OFF (JP1) (ON: Rx is operational; OFF: Rx powers down) Default setting is JP1 set HIGH (to Vcc), operational mode. LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 12 of 28...
  • Page 13 RXOUT20 RXOUT19 RXIN1 RXOUT18 RXOUT15 RXOUT14 RXOUT13 RXOUT12 RXOUT9 RXOUT8 RXIN0 RXOUT7 RXOUT6 RXOUT4 RXOUT3 RXOUT2 RXOUT1 RXOUT0 LVDS Data Inputs Mapped to LVTTL/LVCMOS Outputs LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 13 of 28...

  • Page 14: Rx Optional: Series Termination For Rxout

    RxOUT4 RxOUT5 RxOUT6 RxOUT7 RxOUT8 RxOUT9 RxOUT10 RxOUT11 RxOUT12 RxOUT13 RxOUT14 RxOUT15 RxOUT16 RxOUT17 RxOUT18 RxOUT19 RxOUT20 RxOUT21 RxOUT22 RxOUT23 RxOUT24 RxOUT25 RxOUT26 RxOUT27 RxCLKOUT LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 14 of 28...

  • Page 15: Bom (Bill Of Materials )

    26MDR R1,R2,R3,R4,R5,R6,R7,R8, Optional 0402 PAD R9,R10,R11,R12,R13,R14, (See previous page) R15,R16,R17,R18,R19,R20, R21,R22,R23,R24,R25,R26, R27,R28,R29 R35,R36,R37,R38,R39,R40 0 Ohm 0402 R30,R31,R32,R33,R34 100 Ohm 0402 TP1,TP2 TP_.2"X.2" DS90CR288AMTD 56-pin TSSOP LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 15 of 28...
  • Page 16 Board 50 ohm 50 ohm 450 ohm LVDS Interface 50 ohm Cable Oscilloscope, 50 ohm Optional BERT Tester Termination Typical Connection / Test Equipment Setup LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 16 of 28...
  • Page 17 LVDS Clock over laid. Note that the clock pattern is 4 bit times HIGH and 3 bit times LOW. The differential signal should be typically +/-300mV. These waveforms were acquired using the TEK P6248 Probes. Clock rate is 85MHz. LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1...
  • Page 18 Clock overlaid. Note that the clock transitions slightly before the data transition and strobes the data on the rising edge of the clock. The data and clock signals are low drive 3V CMOS outputs. The plot above is at 85MHz. LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1...

  • Page 19: Troubleshooting

    500mA power supply reads less than 3V when it is is recommended. set to 3.3V. LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 19 of 28...

  • Page 20: Additional Information

    • AN-977 LVDS Signal Quality: Jitter Measurement Using Eye Pattern • AN-1059 High Speed Transmission with LVDS Devices • AN-1108 Channel-Link PCB and Interconnect Design-In Guidelines Interface Applications Hotline: The Interface Hotline number is: +1 408 721-8500 LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005...

  • Page 21: Appendix

    Transmitter Board: HSL Demo Board Schematic Document Number: HSL8TX Rev: 1.0 Rx PCB Schematic Receiver Board: HSL Demo Board Schematic Document Number: HSL8RX Rev: 1.0 LIT# CLINK3V28BT-85-UM National Semiconductor Corporation Rev 2.1 Interface Products Date: 10/12/2005 Page 21 of 28...
  • Page 22 .050 Mini D Ribbon (MDR) Connectors Surface Mount Right Angle Receptacle — Shielded 102XX-1210VE Series IMPORTANT NOTICE TO PURCHASER ALL STATEMENTS, TECHNICAL INFORMATION AND RECOMMENDATIONS CONTAINED HEREIN ARE BASED ON TESTS WE BELIEVE TO BE RELIABLE, BUT THE ACCURACY OR COMPLETENESS THEREOF IS NOT GUARANTEED, AND THE FOLLOWING IS MADE IN LIEU OF ALL WARRANTIES, EXPRESSED OR IM- PLIED: SELLER’S AND MANUFACTURER’S ONLY OBLIGATION SHALL BE TO REPLACE...

  • Page 23: Ordering Information

    .050 Mini D Ribbon (MDR) Connectors Surface Mount Right Angle Receptacle — Shielded 102XX-1210VE Series Dimensions Contact Contact 3M Part 3M Part Quantity Number A .008 B .006 C .006 D .006 E .006 10220-1210 VE 1.32 [ 33.4 ] 1.081 [ 27.45 ] .650 [ 16.51 ] .475 [ 12.07 ]...
  • Page 24 .050 Mini D Ribbon (MDR) Connectors Surface Mount Right Angle Receptacle — Shielded 102XX-1210VE Series Recommended Board Layout Dimensions Contact Contact Quantity .002 B .002 .002 (viewed from connector side) 1.081 [ 27.45 ] .650 [ 16.51 ] .475 [ 12.07 ] 1.230 [ 31.26 ] .800 [ 20.32 ] .625 [ 15.88 ]...

  • Page 25: Part Number

    Cable Assembly Part number MDR26-5-6.5 3M mdr 10126-6000 3Mmdr 10126-6000 2 meters Spectra Strip cable Skew Clear twin ax Part number MDR26-5-6.5 Cable length 6.5 Ft 2 meter Connector type Number of twin-Ax pairs Connector number of positions Cable assemby ordering information. Alliance Technology Enterprise 521 Central Ave Suite B Menlo Park CA 94025...
  • Page 26 National Semiconductor Channel Link Cable Assembley Pinout MDR26-5-6.5C Alliance Technology part number Pin Assignment Pin Assignment Side A Side B 3M Mdr Part 3M Mdr Part 10126-6000 10126-6000 No Connect No Connect TxOut0Gnd+ TxOutGnd- No Connect No Connect TxOut1- RxIn1 -...
  • Page 27 +3.6V MAX TXIN0 TXIN0 TXIN1 TXIN1 TXIN2 TXIN2 TXIN3 TXIN3 TXIN4 TXIN4 TXIN5 TXIN6 TXIN4 TXIN7 TXIN5 TXIN5 TXIN3 TXIN8 TXIN6 TXIN6 TXIN2 TXIN9 TXIN7 TXIN7 TXIN10 TXIN1 TXOUT0- TXIN11 TXIN8 TXIN8 TXIN0 TXOUT0GND TXIN12 TXIN9 TXIN9 TXIN27 TXOUT0+ TXIN13 TXIN10 TXIN10 LVDS GND...
  • Page 28 +3.6V MAX RXOUT27 RXOUT27 RXOUT26 RXOUT26 RXOUT25 RXOUT25 RXOUT24 RXOUT24 RXOUT23 RXOUT23 RXOUT22 RXOUT22 RXOUT21 RXOUT20 RXOUT19 RXOUT22 RXOUT21 RXOUT18 RXOUT23 RXOUT21 RXOUT20 RXOUT17 RXOUT24 RXOUT20 RXOUT19 RXOUT16 RXOUT19 RXOUT15 RXIN0- RXOUT25 LVDS_GND RXOUT18 RXOUT14 RXIN0GND RXOUT26 RXOUT18 RXOUT17 RXOUT13 RXIN0+ RXOUT27 RXOUT17...

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