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DS64BR401EVK/NOPB

DS64BR401EVK/NOPB

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    -

  • 描述:

    DEMO KIT MINISAS4X CBL EXTENDER

  • 数据手册
  • 价格&库存
DS64BR401EVK/NOPB 数据手册
DS64BR401EVK User Guide SATA/SAS MiniSAS4X Cable Extender Demo Kit General Description: The DS64BR401EVK – miniSAS4X cable extender demonstration kit provides a complete cable extension solution using National’s DS64BR401 – Quad Bi-directional Cable/Backplane Extender with Equalization and De-emphasis. MiniSAS4X right angle I-PASS Molex receptacle connectors are used as the input and the output connections for SATA/SAS disk drive storage application. Adaptor board which provides connection from mini SAS4X (26-pin external) to mini SAS4Xi (36-pin internal) is provided to allow easy straight forward connection to existing hardware. Features: • • • • • • • • • • • • • • • Quad lane bi-directional transceiver up to 6.4 Gbps rate Signal conditioning on input and output for extended reach Adjustable receive equalization up to +33 dB gain Adjustable transmit de-emphasis up to −12 dB Adjustable transmit VOD (600 mVp-p to 1200 mVp-p) 3.0V) J4 – Jumper Setting DEMA/B, PDWN, EQA J2 – VDD = 2.5V DS64BR401SQ CON1, CON2 miniSAS4X (EXT) Right Angle Connector J5 – Jumper Setting EQA, RATE, VOD and TXIDLEA/B Figure 1. DS64BR401EVK Evaluation Board CON3 miniSAS4X (EXT) Right Angle Connector CON4 miniSAS4Xi (INT) Right Angle Connector Figure 2. MiniSAS4X Connector Adaptor Board (EXT to INT) Page 2 of 11 © National Semiconductor Corporation 2009 national.com Typical Repeater Application: SATA/SAS Disk Drive SATA/SAS Host Controller DS64BR401EVK mini SAS4X (external) Optional Adaptor Board miniSAS4X (EXT to INT) Optional Adaptor Board miniSAS4X (EXT to INT) mini SAS4Xi (internal) Quick Start Guide: 1. 2. 3. Connect > 3.0V DC power to J1. Measure 2.5 V on J2. Attach two mini SAS4X external cables to the board. If cable is not the 4X external (26-pin) then use the adaptor board to convert to mini SAS4Xi (36-pin internal) connector. Set EQ and DE level according to the length of the inter-connect media. Connection and Control Description Component Name J1 J2 J3 PWR PWR ENSMB, SCL, SDA J4 DEM, EQ and /PWDN EQ, RATE, VOD and TXIDLE pins miniSAS4X Connector miniSAS4X Connector miniSAS4X Connector miniSAS4Xi Connector J5 CON1 CON2 CON3 CON4 Function DC Power - VIN to Low Drop-out Regulator - VIN > 3.0V. DC Power - VOUT of Low Drop-out Regulator – fixed 2.5V. Optional SMBus access pins. See datasheet for additional information. Control pins for De-emphasis, Equalizer and Power-down. Control pins for Equalizer, Rate Select, Output VOD levels and TX output. Molex mini SAS4X (ext) right angle receptacle connector. Molex mini SAS4X (ext) right angle receptacle connector. Adaptor board with Molex mini SAS4X (EXT) right angle receptacle connector. Adaptor board with Molex mini SAS4Xi (INT) right angle receptacle connector. J1, J2 – Power Connection VIN (>3.0V) on J1 is needed for power. The LP38690 – 1A Low Dropout Linear Regulator is used to provide fixed 2.5V. J2 is available to allow access to the 2.5V supply. When by-passing the LP38690, the RS1 (0.01 ohm) should be removed and a 2.5V external supply can be connected to J2. J3 – SMBus Access J3 is used to access the SMBus to configure the DS64BR401. ENSMB should be tied low for external pin control. When ENSMB is tied high, SCL (clock input) and SDA (data input/output) are enabled. J4, J5 – Control Pins Jumpers should be used to tie the control pins to 1-high (VDD), 0-low (GND) or F-float (NC). The EQA, EQB, DEMA, DEMB, TXIDLEA, TXIDLEB and RATE are 3-level inputs. The PWDN is used to enable and disable the Page 3 of 11 © National Semiconductor Corporation 2009 national.com device. PWDN should be tied low (GND) for normal operation. The VOD[1:0] are used to set the output amplitude voltage level. Please refer to the tables below for detail information. Equalization Control Pins (EQA/EQB) EQA/B0 EQA/B1 Equalization Level F 1 0 0 0 1 1 F F F 1 0 F 1 F 0 0 1 Off 5.8 dB at 3 GHz 9 dB at 3 GHz 11.7 dB at 3 GHz 14.6 dB at 3 GHz 18.4 dB at 3 GHz 20 dB at 3 GHz 21.2 dB at 3 GHz 28.4 dB at 3 GHz Recommend Media Length Bypass 8 inch FR4 or 0.7 meter (30AWG) cable 12 inch FR4 or 1 meter (30AWG) cable 20 inch FR4 or 5 meter (30AWG) cable 25 inch FR4 or 6 meter (30AWG) cable 35 inch FR4 or 9 meter (30AWG) cable 40 inch FR4 or 10 meter (30AWG) cable 10 meter (30AWG) cable 12 meter (30AWG) cable De-emphasis Control Pins (DEMA/DEMB) DEMA1/B1 DEMA0/B0 De-emphasis Level 0 0 0 1 1 1 1 0 0 1 1 F F F F 0 1 1 0 0 1 1 F F F F 0 0 1 F 0 dB -3.5dB -2 dB -6 dB -3 dB -9 dB enhanced -11 dB enhanced -6 dB enhanced -8 dB enhanced -12 dB enhanced -13 dB enhanced -9 dB enhanced -10 dB enhanced -12 dB enhanced Reserved, don’t use VOD Level VOD: 600 mV to 1200 mV VOD = 1000 mV VOD = 1200 mV VOD = 1000 mV VOD = 1200 mV VOD = 1000 mV VOD = 1200 mV VOD = 1000 mV VOD = 1200 mV VOD = 1000 mV VOD = 1200 mV VOD = 1000 + 200 mV VOD = 1200 + 200 mV VOD = (1000 to 1200 ) + 200 mV Rate Control Pins (RATE) RATE Functional Description 0 1 F Set the De-emphasis pulse width duration for 3 Gbps (low rate) Set the De-emphasis pulse width duration for 6 Gbps (high rate). Enables the auto rate select function. TX Output Control Pins (TXIDLEA/TXIDLEB) TXIDLEA/B Functional Description 0 1 F Disables the signal detect/squelch function for all outputs A or B. Forces all outputs to be muted (electrical idle). Enables the signal detect/squelch function for all channels. Signal detect voltage level threshold can be adjusted with an external resistor on the SD_TH pin to GND. Default level is 130 mVp-p when SD_TH is floating. Please refer to the Table 4 in the datasheet for typical resistor value. Output Voltage Amplitude Level (VOD) VOD1 VOD0 Functional Description 0 0 1 1 0 1 0 1 Output VOD = 600 mVp-p Output VOD = 800 mVp-p Output VOD = 1000 mVp-p Output VOD = 1200 mVp-p Page 4 of 11 © National Semiconductor Corporation 2009 national.com Agilent N4903A J-BERT Agilent 86100C DCA-J 5m, 10m DS64BR401 TP0 TP1 1m iPASS Figure 3. DS64BR401EVK Equalization Test Setup DS64BR401 Equalization Performance with 5m 26AWG cable at 6 Gbps: TP0 – INPUT (after 5m) TP1 – OUTPUT (after 1m) VOD = 1.0 Vp-p, PRBS7 DS64BR401 setup condition: EQ[1:0] = F0 (~11.7 dB at 3 GHz) DEM[1:0] = 01 (-2 dB with VOD = 1.2 Vp-p) DS64BR401 Equalization Performance with 10m 24AWG cable at 6 Gbps: TP0 – INPUT (after 10m) TP1 – OUTPUT (after 1m) VOD = 1.0 Vp-p, PRBS7 DS64BR401 setup condition: EQ[1:0] = 01 (~20 dB at 3 GHz) DEM[1:0] = 01 (-2 dB with VOD = 1.2 Vp-p) Page 5 of 11 © National Semiconductor Corporation 2009 national.com Agilent N4903A J-BERT Agilent 86100C DCA-J 1m iPASS DS64BR401 TP0 TP1 5m, 10m Figure 4. DS64BR401EVK De-emphasis Test Setup DS64BR401 De-emphasis with 5m 26AWG cable at 6 Gbps: TP0 – INPUT (after 1m) TP1 – OUTPUT (after 5m) VOD = 1.0 Vp-p, PRBS7 DS64BR401 setup condition: EQ[1:0] = 11 (~5.8 dB at 3 GHz) DEM[1:0] = F0 (-10 dB with VOD = 1.4 Vp-p) DS64BR401 De-emphasis with 10m 24AWG cable at 6 Gbps: TP0 – INPUT (after 1m) TP1 – OUTPUT (after 10m) VOD = 1.0 Vp-p, PRBS7 DS64BR401 setup condition: EQ[1:0] = 11 (~5.8 dB at 3 GHz) DEM[1:0] = F1 (-12 dB with VOD = 1.4 Vp-p) Page 6 of 11 © National Semiconductor Corporation 2009 national.com Scope plots of OOB (out of band) signal through the DS64BR401: Idle to Active Response Time: ~ 4.6 ns Active to Idle Response Time: ~ 6.7 ns Page 7 of 11 © National Semiconductor Corporation 2009 national.com Bill of Materials: DESIGNATION QTY DESCRIPTION CON1,CON2,CON3 3 CON4 C1,C2 C3,C4,C5,C6,C7,C8,C9,C10, C11,C12,C13,C14,C15,C16, C17,C18,C19,C20,C21,C22, C23,C24,C25,C26,C27,C28, C29,C30,C31,C32,C33,C34 C35,C36,C37,C38,C39 J1, J2 J3 J4 J5 RS1 R1,R2,R3,R4 U1 U2 1 2 32 Molex - 75586-0009: CONN RCPT 26POS IPASS RT ANG SMD, Molex - 74548-0211: CONN IPASS SAS 1X1 GUIDE FRAME Molex - 75783-0140: CONN RCPT 36POS IPASS RT ANG SMD CAP CERAMIC 1UF 10V X5R 0402 CAP .01UF 6.3V CERAMIC X5R 0201 5 2 1 1 1 1 4 1 1 CAP CERAMIC .1UF 6.3V X5R 0201 HEADER 1x2 HEADER 1x4 HEADER 3x7 HEADER 3x8 RESISTOR 0.01 OHM 1/4W 1% 0805 NA – Only needed for special circumstance DS64BR401 LP38692SD-2.5_LLP IC REG LDO 1A 2.5V 6-LLP Page 8 of 11 © National Semiconductor Corporation 2009 national.com Schematic: Page 9 of 11 © National Semiconductor Corporation 2009 national.com FAB/Manufacture Information: Page 10 of 11 © National Semiconductor Corporation 2009 national.com Document ID: DS64BR401EVK User Guide Date: June 25, 2009 Rev: 1.7 Page 11 of 11 © National Semiconductor Corporation 2009 national.com IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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DS64BR401EVK/NOPB 价格&库存

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