Texas Instruments SN65LVPE512 Manual de usuario

User's Guide

SLLU213–February 2015

SN65LVPE512 EVM

The SN65LVPE512 is a dual-channel, single lane USB 3.0 redriver and signal conditioner that supports

data rates of 5 Gbps. This document explains how to use the LVPE512 EVM to easily evaluate the

functionality of this device in various applications.

This EVM acts as a modifiable reference design for the SN65LVPE512 that allows this device to be used

in a wide variety of applications and configurations. Table 1 explains how to modify these configuration

settings by using the switches on the EVM. Example applications for this device include notebooks,

desktops, docking stations, servers, and workstations. Schematics, printed-circuit-board (PCB) layout

images, and a bill of materials (BOM) for this module are included in this user's guide.

Contents

1 Introduction ................................................................................................................... 2

2 LVPE512 Evaluation Module............................................................................................... 2

3 Kit Contents................................................................................................................... 2

3.1 Operational Description of EVM .................................................................................. 2

4 PCB Construction............................................................................................................ 3

4.1 EVM Board Schematics............................................................................................ 3

4.2 EVM PCB Layout ................................................................................................... 6

4.3 EVM PCB Fabrication.............................................................................................. 8

5 EVM Bill of Materials ........................................................................................................ 8

List of Figures

1 Schematic of High Speed Pins............................................................................................. 3

2 Schematic of EQ Control Pins ............................................................................................. 4

3 Schematic of Device Control Pins......................................................................................... 4

4 Schematic of Power Pins ................................................................................................... 5

5 PCB Layout of Top Layer................................................................................................... 6

6 PCB Layout Second Layer ................................................................................................. 6

7 PCB Layout of Third Layer ................................................................................................. 7

8 PCB Layout of Bottom Layer............................................................................................... 7

List of Tables

1 Configuration of EVM........................................................................................................ 2

2 Suggested Default Settings ................................................................................................ 3

3 SN65LVPE512 EVM Bill of Materials ..................................................................................... 8

SLLU213–February 2015 SN65LVPE512 EVM

Introduction

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1 Introduction

The SN65LVPE512 is a dual-channel, single lane USB 3.0 redriver and signal conditioner supporting data

rates of 5 Gbps. The device complies with USB 3.0 specification revision 1.0, supporting electrical idle

condition and low-frequency periodic signals (LFPS) for USB 3.0 power management modes.

The SN65VLPE512 minimizes signal degradation effects such as crosstalk and inter-symbol interference

(ISI) that limit interconnect distance between two devices. The input stage of each channel offers

adjustable equalization that compensates for the distortion the USB 3.0 input signal experienced. The

output stage offers adjustable de-emphasis that will compensate for distortion the output signal will

experience. The optimal equalization and de-emphasis levels will depend on the length of the input and

output interconnections. The SN65VLPE512 provides a unique way to tailor output de-emphasis on a per-

channel basis with use of the DE and OS pins. All TX and RX equalization and de-emphasis settings are

programmed by six 3-state pins as shown in Table 1.

2 LVPE512 Evaluation Module

This sections contains the kit contents and operational description of the EVM as well as configuration

instructions and suggested default settings.

3 Kit Contents

• 1 SN65LVPE512 Evaluation Module

• This user manual

3.1 Operational Description of EVM

This EVM facilitates the simple evaluation of the LVPE512 USB 3.0 redriver by providing an easy and

efficient method for changing the configuration settings of the device. Physical switches on the EVM are

used to modify these settings by altering the state of the programmable 3-state configuration pins. Further

information on how to use these switches to configure the device is found in Table 1.

The EVM board includes one USB 3.0 plug and one USB 3.0 receptacle to allow for device

interconnections. The EVM board is powered by a 3.3-V supply voltage, which is derived from the internal

VBUS power supply of the USB connection, therefore, no external power source is required for the EVM

to operate.

Table 1. Configuration of EVM

Switch Pin Description Switch Position and Corresponding Setting

SW1 DE1 (De-emphasis channel 1) 1: –3.5 dB

2: 0 dB

3: –6.0 dB

SW2 EQ1 (Equalization channel 1) 1: 7 dB

2: 0 dB

3: 15 dB

SW3(1) OS1 (Output swing channel 1) 1: 1105 mVpp

2: 1241 mVpp

3: 1324 mVpp

SW4 DE2 (De-emphasis channel 2) 1: –3.5 dB

2: 0 dB

3: –6.0 dB

SW5 EQ2 (Equalization channel 2) 1: 7 dB

2: 0 dB

3: 15 dB

SW6(1) OS2 (Output swing channel 2) 1: 1105 mVpp

2: 1241 mVpp

3: 1324 mVpp

SW7 EN_RXD 1: Enabled

2: N/A (two position switch)

3: Sleep Mode

(1) SW3, SW6 have incorrectly labeled settings on their silkscreen.

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PCB Construction

Table 1. Configuration of EVM (continued)

Switch Pin Description Switch Position and Corresponding Setting

SW9 Power source selection 1: 3.3 V from Regulator

2: N/A (two position switch)

3: VCC from external source on JMP1

SW10 NC N/A

Table 2. Suggested Default Settings

Switch Pin Description Switch Position and Corresponding Setting

SW1 DE1 (De-emphasis channel 1) 2: 0 dB

SW2 EQ1 (Equalization channel 1) 2: 0 dB

SW3 OS1 (Output swing channel 1) 2: 1241 mVpp

SW4 DE2 (De-emphasis channel 2) 2: 0 dB

SW5 EQ2 (Equalization channel 2) 2: 0 dB

SW6 OS2 (Output swing channel 2) 2: 1241 mVpp

SW7 EN_RXD 1: Enabled

SW9 Power source selection 1: 3.3 V from USB VBUS

SW10 NC N/A

4 PCB Construction

This section contains the EVM board schematics and the PCB board layouts.

4.1 EVM Board Schematics

Figure 1 through Figure 4 illustrate the SN65LVPE512 EVM schematics.

Figure 1. Schematic of High Speed Pins

SLLU213–February 2015 SN65LVPE512 EVM

PCB Construction

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Figure 2. Schematic of EQ Control Pins

Figure 3. Schematic of Device Control Pins

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PCB Construction

Figure 4. Schematic of Power Pins

SLLU213–February 2015 SN65LVPE512 EVM

PCB Construction

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4.2 EVM PCB Layout

Figure 5 through Figure 8 illustrate the SN65LVPE512 PCB layouts.

Figure 5. PCB Layout of Top Layer

Figure 6. PCB Layout Second Layer

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PCB Construction

Figure 7. PCB Layout of Third Layer

Figure 8. PCB Layout of Bottom Layer

SLLU213–February 2015 SN65LVPE512 EVM

PCB Construction

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4.3 EVM PCB Fabrication

The EVM board is a 4-layer board constructed of FR4-PolyClad 370 material. The board consists of a

signal layer on top, a ground layer, a power layer, and another signal layer on the bottom. The impedance

of the differential traces is 100 Ω. Other traces have an impedance of 50 Ω.

NOTE: In order to achieve the desired impedance, it is recommended that you consult your board

manufacturer for their process and design requirements.

5 EVM Bill of Materials

Table 3 lists the SN65LVPE512 EVM BOM.

Table 3. SN65LVPE512 EVM Bill of Materials

QTY Reference Value Digi-Key P/N PCB Footprint Manufacturer P/N

4 C1, C2, C6, C8 0.1 µF 490-3167-2-ND cc0201 GRM033R60J104KE19D

4 C15, C16, C22, 1.0 µF 490-1320-2-ND cc0402 GRM155R60J105KE19D

C23

4 C17, C24, C27, 0.1 µF 587-1227-2-ND cc0402 LMK105BJ104KV-F

C29

2 C18,C25 0.01 µF 399-1011-2-ND cc0402 C0402C100J5GACTU

1 C28 10 µF 587-3383-2-ND cc0603 JMK107ABJ106MAHT

1 JMP1 Header 2x1 10046483-202HLF-ND berg2 10046483-202HLF

6 R2 ,R3, R6, R7, 4.98 K 311-4.99KHRCT-ND r0603 RC0603FR-074K99L

R10, R11

2 R14, R27 4.98 K DNI 311-4.99KHRCT-ND r0603 RC0603FR-074K99L

4 R23, R24, R25, 0 K 311-0.0GRCT-ND r0603 RC0603JR-070RL

R26

6 SW1–SW6 Switch CJS-1201 563-1023-1-ND CJS-1200B CJS-1201TA

3 SW7, SW9, SW10 Switch CJS-1200 563-1022-1-ND CJS-1200B CJS-1200TB

1 U1 USB3_STANDARD_ 732-3157-ND usb3_plug_wurth_elektronik 6.92112E+11

TYPE_A_PLUG

1 U3 LVPE512 SN65LVPE512RMQR-ND 24QFN04_0_50 SN65LVPE512RMQR

1 U4 REG104A-33 REG104GA-3.3-ND DCQ_R-PDSO-G6 REG104GA-3.3

1 U5 USB3_STANDARD_ 732-3148-1-ND usb3_recpt_wurth_elektronik 6.92121E+11

TYPE_A_RECEPTACLE

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STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES

1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or

documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein.

Acceptance of the EVM is expressly subject to the following terms and conditions.

1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility

evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not

finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For

clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions

set forth herein but rather shall be subject to the applicable terms and conditions that accompany such Software

1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,

or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production

system.

2Limited Warranty and Related Remedies/Disclaimers:

2.1 These terms and conditions do not apply to Software. The warranty, if any, for Software is covered in the applicable Software

License Agreement.

2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM

to User. Notwithstanding the foregoing, TI shall not be liable for any defects that are caused by neglect, misuse or mistreatment

by an entity other than TI, including improper installation or testing, or for any EVMs that have been altered or modified in any

way by an entity other than TI. Moreover, TI shall not be liable for any defects that result from User's design, specifications or

instructions for such EVMs. Testing and other quality control techniques are used to the extent TI deems necessary or as

mandated by government requirements. TI does not test all parameters of each EVM.

2.3 If any EVM fails to conform to the warranty set forth above, TI's sole liability shall be at its option to repair or replace such EVM,

or credit User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the

warranty period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to

repair or replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall

be warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day

warranty period.

3Regulatory Notices:

3.1 United States

3.1.1 Notice applicable to EVMs not FCC-Approved:

This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit

to determine whether to incorporate such items in a finished product and software developers to write software applications for

use with the end product. This kit is not a finished product and when assembled may not be resold or otherwise marketed unless

all required FCC equipment authorizations are first obtained. Operation is subject to the condition that this product not cause

harmful interference to licensed radio stations and that this product accept harmful interference. Unless the assembled kit is

designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must operate under the authority of

an FCC license holder or must secure an experimental authorization under part 5 of this chapter.

3.1.2 For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant:

CAUTION

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not

cause harmful interference, and (2) this device must accept any interference received, including interference that may cause

undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to

operate the equipment.

FCC Interference Statement for Class A EVM devices

NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of

the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is

operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not

installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to

correct the interference at his own expense.

SPACER

FCC Interference Statement for Class B EVM devices

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of

the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential

installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance

with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference

will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which

can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more

of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

•Consult the dealer or an experienced radio/TV technician for help.

3.2 Canada

3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210

Concerning EVMs Including Radio Transmitters:

This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:

(1) this device may not cause interference, and (2) this device must accept any interference, including interference that may

cause undesired operation of the device.

Concernant les EVMs avec appareils radio:

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation

est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit

accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

Concerning EVMs Including Detachable Antennas:

Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser)

gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type

and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for

successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types

listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated.

Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited

for use with this device.

Concernant les EVMs avec antennes détachables

Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et

d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage

radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope

rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le

présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le

manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne

non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de

l'émetteur

3.3 Japan

3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に

輸入される評価用キット、ボードについては、次のところをご覧ください。

http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page

3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan are NOT certified by

TI as conforming to Technical Regulations of Radio Law of Japan.

If User uses EVMs in Japan, User is required by Radio Law of Japan to follow the instructions below with respect to EVMs:

1. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal

Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for

Enforcement of Radio Law of Japan,

2. Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to

EVMs, or

3. Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan

with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note

that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.

SPACER

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