Microsemi ZLK38AVS User Guide
Microsemi_ZLK38AVS_User_Guide
Microsemi_ZLK38AVS_User_Guide
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ZLK38AVS User Guide Microsemi AcuEdge™ Development Kit for Amazon AVS Contents 1 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 1.2 1.3 Revision 3.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Revision 2.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Revision 1.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.1 Other References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 ZLK38AVS Development Kit Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.1 3.2 3.3 Hardware Provided . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Hardware Not Provided . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 Hardware Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4.1 4.2 Pillar Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Raspberry Pi Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 ZLK38AVS Software Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.1 5.2 Creating Raspbian Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Raspberry Pi Software Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.2.1 Downloading ZLK38AVS Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.2.2 Installing ZLK38AVS Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8 9 9 6 Amazon Developer Account Creation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7 Demonstrating the ZLK380AVS (software) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7.1 7.2 Starting AVS Software Demo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2.1 Credential Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2.2 Token Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 16 16 16 8 Uninstalling the ZLK38AVS Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 8.1 Reconfiguring the ZLK38AVS Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 ZLK38AVS User Guide Revision 3.0 i Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 ZLK38AVS Development Kit Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Raspberry Pi and ZLE38AVS Evaluation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Mounted Raspberry Pi with standoffs attached . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 ZLE38AVS board with standoffs attached . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 ZLE38AVS board attached to mounted Raspberry Pi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pillar with speaker attached . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Speaker plugged in to ZLE38AVS board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Raspberry Pi connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Raspbian download page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Etcher Disk Imager example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Downloading ZLK38AVS software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Sensory License Agreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Amazon Developer Account . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Chromium on Raspberry Pi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Sample App Autoboot Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Completed installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Alexa Voice Service website . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Amazon sign-in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Apps distribution agreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Get Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Alexa Voice Service Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 New Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Amazon Developer Account URLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Alexa Start Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Amazon URL Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Amazon Identifiers Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 ZLK38AVS User Guide Revision 3.0 ii Revision History 1 Revision History The revision history describes the changes that were implemented in the document. The changes are listed by revision, starting with the most current publication. 1.1 Revision 3.0 Revision 3.0 was published in November 2017. The following is a summary of changes made in this revision. • • • • • 1.2 Software installation steps were updated. For more information, see ZLK38AVS Software Installation, page 8. Developer account creation was updated. For more information, see Amazon Developer Account Creation, page 11. A new Alexa app was added. For more information, see Demonstrating the ZLK380AVS (software), page 15. Installation troubleshooting details were added. For more information, see Installation Troubleshooting, page 16. Steps to reconfigure the software were added. For more information, see Reconfiguring the ZLK38AVS Software, page 17. Revision 2.0 Revision 2.0 was published in May 2017. It was the first publication of this document. 1.3 Revision 1.0 Revision 1.0 was published in April 2017. It was a preliminary publication of this document. ZLK38AVS User Guide Revision 3.0 1 Overview 2 Overview Microsemi AcuEdge™ Development Kit for Amazon AVS is engineered to help you evaluate voiceenabled front-end audio systems for your Alexa-enabled products. This kit features Microsemi's ZL38063 voice processor powered by Microsemi's proprietary AcuEdge™ technology for front-end audio clean-up and Sensory's TrulyHandsFree™ "Alexa" wake-word engine. Two separate microphone configurations allow you to test applications with 180° or 360°. This document walks you through all the steps of building an Alexa-powered prototype using Microsemi's ZLK38AVS development kit and a Raspberry Pi. It takes you from setting up the ZLK38AVS kit, integrating it with an 'Alexa' wake word engine and connecting to the Alexa Voice Services (AVS) cloud. Once completed you will have an Alexa-enabled application that will function like an Amazon Echo. 2.1 Other References The following are documents you may want to refer to when using this guide. These documents can be found on the Microsemi Audio Processing GitHub for the ZLK38AVS: • • • • • ZLK38AVS Quick Start Guide ZLK38AVS Product Brief ZLE38AVS Evaluation Board Hardware Guide ZL38063 Product Brief ZLS38100 Microsemi VProc SDK Documentation ZLK38AVS User Guide Revision 3.0 2 ZLK38AVS Development Kit Contents 3 ZLK38AVS Development Kit Contents The ZLK38AVS development kit is shipped with some of the required hardware while other hardware must be provided by the user. All the software for the ZLK38AVS development kit is provided through GitHub. 3.1 Hardware Provided The following hardware is provided in the ZLK38AVS Development Kit: 1. 2. 3. ZLE38AVS evaluation board Pillar (speaker and Raspberry Pi plastic stand) Plastic standoffs and screws Figure 1 • ZLK38AVS Development Kit Contents Figure 2 • Raspberry Pi and ZLE38AVS Evaluation Board 3.2 Hardware Not Provided The following hardware is needed to run the ZLK38AVS demonstration and needs to be provided by the user of the development kit: ZLK38AVS User Guide Revision 3.0 3 ZLK38AVS Development Kit Contents 1. 2. Raspberry Pi 3 2 A or greater power supply for the Raspberry Pi 3 (power can be provided through a USB3/MicroUSB connection from a PC). 3. Micro SD card (8 GB or higher; a card with a 90 MB/s or greater read speed is recommended) 4. External Speaker with a 3.5 mm jack (the example in Figure 6, page 6 is the JBL Clip speaker, available from Amazon at https://www.amazon.com/gp/product/B00KH636V2/) 5. USB keyboard and mouse 6. HDMI monitor and cable 7. Ethernet Cable (or WiFi) for Internet connection Note: The monitor, keyboard, and mouse connections are optional if using VNC (or similar) to connect to the Raspberry Pi. 3.3 Software The following software for the ZLK38AVS Development Kit is provided through GitHub: 1. 2. A make file which installs all the required software The latest Timberwolf device series Voice Processing Software Development Kit (SDK), which is a collection of software, tools, code examples, and documents for rapid development with the Microsemi's Timberwolf device series. 3. A Firmware Loader Application that makes use of the Voice Processing SDK functions to load the firmware into the ZL38063 device. Note: During the ZLK38AVS installation, the software will download the “avs-device-sdk” from Amazon and the “alexa-rpi” model from Sensory. ZLK38AVS User Guide Revision 3.0 4 Hardware Assembly 4 Hardware Assembly To assemble the ZLK38AVS kit the following instructions should be followed: 4.1 Pillar Assembly 1. Figure 3 • Mounted Raspberry Pi with standoffs attached 2. Figure 4 • Add the standoffs to the ZLE38AVS evaluation board ZLE38AVS board with standoffs attached 3. Figure 5 • Screw in the Raspberry Pi onto the front side of the Raspberry Pi mounting ring and add the 2nd set of standoffs Plug in the ZLE38AVS evaluation board and add the remaining screws ZLE38AVS board attached to mounted Raspberry Pi 4. Place the speaker facing downwards into the lower plastics ZLK38AVS User Guide Revision 3.0 5 Hardware Assembly Figure 6 • Pillar with speaker attached Figure 7 • Speaker plugged in to ZLE38AVS board 5. 4.2 Plug in the speaker to the ZLE38AVS evaluation board Raspberry Pi Connections 1. 2. 3. 4. Connect an HDMI monitor to the Raspberry Pi Connect a USB mouse and keyboard to USB ports of the Raspberry Pi Connect the Raspberry Pi to your network with an Ethernet cable or Wi-Fi Flash image onto the SD card using the Wind32Diskimager application (see Creating Raspbian Image, page 8) 5. Insert the SD card into the SD card slot of the Raspberry Pi 6. Connect a compatible 5V power supply to the Raspberry Pi’s Micro-USB port in order to power up the Raspberry Pi Note: The monitor, keyboard, and mouse connections are optional if using VNC (or similar) to connect to the Raspberry Pi ZLK38AVS User Guide Revision 3.0 6 Hardware Assembly Figure 8 • Raspberry Pi connections ZLK38AVS User Guide Revision 3.0 7 ZLK38AVS Software Installation 5 ZLK38AVS Software Installation There are two steps to installing the software on the Raspberry Pi: 1. 2. 5.1 Creating Raspbian image: This step is performed on a separate PC. Raspberry Pi Software Installation: This step downloads the installation scripts and installs the Microsemi, Amazon, and Sensory software onto the Raspberry Pi. This step requires a monitor, keyboard, and mouse connected to the Raspberry Pi, or a VNC (or similar) connection to the Raspberry Pi in order to control and monitor the installation process. Creating Raspbian Image Raspbian Stretch with Pixel is the operating system that will be installed on the SD card. On a separate PC, follow the steps below: 1. 2. 3. Figure 9 • Format the SD card to FAT32 to ensure you are starting with an empty card. Download and install Etcher from https://etcher.io/. Download Raspbian Stretch with Desktop from https://www.raspberrypi.org/downloads/raspbian. Raspbian download page 4. Write the image to the SD card using Etcher. Figure 10 • Etcher Disk Imager example 5. 5.2 Once the card has been written, exit Etcher and install the SD card into the Raspberry Pi. Raspberry Pi Software Installation Once the Raspberry Pi is up and running, make sure it is connected to the Internet by opening up the web browser. Open a terminal window and change into your desired working directory, or create one. ZLK38AVS User Guide Revision 3.0 8 ZLK38AVS Software Installation 5.2.1 Downloading ZLK38AVS Software The Microsemi software for the ZLK38AVS kit can be found on the Microsemi Voice Processing GitHub repository. To download the repository on your Raspberry Pi run the following command: git clone https://github.com/Microsemi/ZLK38AVS Figure 11 • Downloading ZLK38AVS software Note: git is installed by default with the Latest Raspian Stretch, but it can also be installed using the command: sudo apt-get install git 5.2.2 Installing ZLK38AVS Software 1. cd into the location where the GitHub package was downloaded. cd ZLK38AVS/ 2. Run “make all” command. Note: During “make all” the makefile will automatically download the all the necessary packages and dependencies (about 250 MB), expect the total installation to take 20 minutes to 30 minutes with an average connection. While this step is running, it may be a good time to create your Amazon account. You will need information from the creation of your Amazon account later in the software installation (See Amazon Developer Account Creation, page 11). 3. When prompted, review and accept the Sensory license agreement. Press Enter and Space a few times until you reach the end of the agreement and then type “yes” and press Enter. Figure 12 • Sensory License Agreement 4. When prompted, enter the Product ID, Client ID, and Client Secret from your Amazon Developer Account (see Amazon Developer Account Creation, page 11). Figure 13 • Amazon Developer Account ZLK38AVS User Guide Revision 3.0 9 ZLK38AVS Software Installation 5. After you enter the requested IDs, the makefile will ask you to open Chromium on the Raspberry Pi. Browse to http://localhost:3000, log in with your Amazon credentials, and follow the instructions. Figure 14 • Chromium on Raspberry Pi 6. When prompted, you can choose to start the Alexa sample app automatically when the Raspberry Pi boots up (no need to have a screen connected or VNC). In headless mode, the speaker plays a short alarm sound to notify the user when Alexa is ready after boot-up. Figure 15 • Sample App Autoboot Option 7. A successfully completed installation should show the following message. Figure 16 • Completed installation 8. Upon the completion of the ZLK38AVS kit installation, issue a reboot command to reboot the Raspberry Pi and complete the installation of the required software for the ZLK38AVS demonstration. sudo reboot ZLK38AVS User Guide Revision 3.0 10 Amazon Developer Account Creation 6 Amazon Developer Account Creation An Amazon developer account is needed in order to run the ZLK38AVS demonstration kit. The instructions below describe the steps required to create an account to use with the ZLK38AVS demonstration kit. 1. Go to https://developer.amazon.com/alexa-voice-service. Figure 17 • Alexa Voice Service website 2. Click Sign-in on the top right of the screen. Figure 18 • Amazon sign-in 3. Either sign-in with your account, or create a new account if a new customer. Fill out the registration forms as requested by Amazon. ZLK38AVS User Guide Revision 3.0 11 Amazon Developer Account Creation 4. When prompted for information on the Apps Distribution Agreement select No for both options: Figure 19 • Apps distribution agreement 5. Select Alexa on the top navigation bar. Figure 20 • Get Started ZLK38AVS User Guide Revision 3.0 12 Amazon Developer Account Creation 6. Select Alexa Voice service and Create Product using the following entry guidelines. Figure 21 • Alexa Voice Service Selection a. Product Name: Name that will appear in your device list to describe it b. Product ID: This will be the Device ID during installation (no spaces) c. Is your product an app or a device? Device d. Will your device use a companion app? No e. Product category: wireless speakers f. Brief product description: Enter description g. How will end users interact with your product? Hands-free h. Do you intend to distribute this product commercially? No i. Is this a children’s product or is it otherwise directed to children younger than 13 years old? No j. Next ZLK38AVS User Guide Revision 3.0 13 Amazon Developer Account Creation 7. Select Create new profile Figure 22 • New Profile a. Security Profile Name: Name that refers to the device created b. Security Profile Description: Enter description c. Next 8. Update the URLs (don’t forget to click ADD after each entry). Figure 23 • Amazon Developer Account URLs a. Allowed origins: http://localhost:3000 b. Allowed return URLs: http://localhost:3000/authresponse c. I agree... d. Finish You have now created the Amazon Developer account and a device. ZLK38AVS User Guide Revision 3.0 14 Demonstrating the ZLK380AVS (software) 7 Demonstrating the ZLK380AVS (software) After installing the software (See ZLK38AVS Software Installation, page 8) and rebooting the Raspberry Pi, you can now demonstrate Alexa Voice Services. The ZLK38AVS supports two separate microphone configurations: 180° or 360°. The ZLK38AVS default installation uses the 180° configuration. To change the configuration, see Changing ZL38063 Microphone Mode, page 19. 7.1 Starting AVS Software Demo 1. 2. cd into the location where the GitHub package was downloaded. (eg: cd ZLK38AVS/) Issue the following make command to start the AVS software: make start_alexa Figure 24 • Alexa Start Screen 3. Turn on the speaker (using power button on the speaker bezel) and set the volume to maximum using the “+” button on the bezel. Note: The speaker has an auto-turn-off feature to save battery life, so before testing the unit, make sure to turn the speaker on, if switched off. ZLK38AVS User Guide Revision 3.0 15 Demonstrating the ZLK380AVS (software) 4. At this point Alexa is ready to accept commands. Try a few quick commands like “Alexa, what time is it?” or “Alexa, what is the capital of Peru?” to confirm the software and hardware are activated. A full list of Alexa Voice commands can be found at https://www.cnet.com/how-to/the-complete-list-ofalexa-commands/. Note: Some commands listed on the above website require accounts on the desired services (eg. Pandora stations). 7.2 Installation Troubleshooting This section lists the commonly encountered installation errors. 7.2.1 Credential Error If the web page doesn’t ask for your credentials, as described in step 4 in ZLK38AVS Software Installation, page 8, and displays the following error message, Figure 25 • Amazon URL Error a. b. c. d. 7.2.2 Check the URLs. For more information, see step 8 in Amazon Developer Account Creation, page 11. Enter the proper Allowed origins and Allowed return URLs Restart the Raspberry Pi Start the demo again Token Error If the web page displays the following error message after you enter your credentials, Figure 26 • Amazon Identifiers Error a. b. c. d. e. Open the Chromium browser on the Raspberry Pi Log in to your Amazon developer account and navigate to your Amazon device properties as shown in step 4 in ZLK38AVS Software Installation, page 8. From a Raspberry Pi console in the ZLK38AVS folder update your Amazon tokens make avs_config Copy/Paste your device identifiers when asked as described in step 4 in ZLK38AVS Software Installation, page 8. Start the demo again ZLK38AVS User Guide Revision 3.0 16 Uninstalling the ZLK38AVS Software 8 Uninstalling the ZLK38AVS Software The Pi can be returned back to its state prior to the installation of the ZLK38AVS SDK install. To do this run the following command in a terminal window from the installation directory: make cleanall Note: This command will undo everything that was done during the make all during the ZLK38AVS Software Installation (see ZLK38AVS Software Installation, page 8). To clean the ZLK38AVS installation without removing the Amazon Alexa software, run make clean 8.1 Reconfiguring the ZLK38AVS Software To re-make the ZLK38AVS, without re-compiling/re-installing Amazon Alexa, run make host To use different Amazon identifiers or account make avs_config To enable/disable the headless mode make avs_config Note: Even if you just want to enable or disable the headless mode, you have to re-enter your Amazon tokens. ZLK38AVS User Guide Revision 3.0 17 Microsemi Corporate Headquarters One Enterprise, Aliso Viejo, CA 92656 USA Within the USA: +1 (800) 713-4113 Outside the USA: +1 (949) 380-6100 Sales: +1 (949) 380-6136 Fax: +1 (949) 215-4996 E-mail: sales.support@microsemi.com www.microsemi.com © 2017 Microsemi Corporation. All rights reserved. Microsemi and the Microsemi logo are trademarks of Microsemi Corporation. All other trademarks and service marks are the property of their respective owners. Microsemi makes no warranty, representation, or guarantee regarding the information contained herein or the suitability of its products and services for any particular purpose, nor does Microsemi assume any liability whatsoever arising out of the application or use of any product or circuit. The products sold hereunder and any other products sold by Microsemi have been subject to limited testing and should not be used in conjunction with mission-critical equipment or applications. Any performance specifications are believed to be reliable but are not verified, and Buyer must conduct and complete all performance and other testing of the products, alone and together with, or installed in, any end-products. Buyer shall not rely on any data and performance specifications or parameters provided by Microsemi. It is the Buyer's responsibility to independently determine suitability of any products and to test and verify the same. The information provided by Microsemi hereunder is provided “as is, where is” and with all faults, and the entire risk associated with such information is entirely with the Buyer. Microsemi does not grant, explicitly or implicitly, to any party any patent rights, licenses, or any other IP rights, whether with regard to such information itself or anything described by such information. Information provided in this document is proprietary to Microsemi, and Microsemi reserves the right to make any changes to the information in this document or to any products and services at any time without notice. About Microsemi Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for aerospace & defense, communications, data center and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and synchronization devices and precise time solutions, setting the world's standard for time; voice processing devices; RF solutions; discrete components; enterprise storage and communication solutions, security technologies and scalable anti-tamper products; Ethernet solutions; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services. Microsemi is headquartered in Aliso Viejo, Calif., and has approximately 4,800 employees globally. Learn more at www.microsemi.com. 158441. 3.0 11/17
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