Knowles IA611 Xplained Pro User Manual Download

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Knowles Confidential

IA611 Xplained Pro Hardware User
Guide

External Use

Document #AUD-ESP-00444-V2.0

This document describes the hardware implementation of the Knowles IA611
Xplained Pro Extension Kit (PN IA611-RDI-01). The extension kit is the IA611
Reference Design for IoT designed to be used with the Microchip SAM D21
Explained Pro MCU.

Summary of Contents for IA611 Xplained Pro

Page 1: ... Use Document AUD ESP 00444 V2 0 This document describes the hardware implementation of the Knowles IA611 Xplained Pro Extension Kit PN IA611 RDI 01 The extension kit is the IA611 Reference Design for IoT designed to be used with the Microchip SAM D21 Explained Pro MCU ...

Page 2: ... form or otherwise duplicated and the information herein may not be used disseminated or otherwise disclosed except with the prior written consent of an authorized representative of Audience Inc Knowles is a registered trademark of Knowles Corporation IA611 IA61x and the Knowles logo are service marks or trademarks of Knowles LLC All other trademarks are the properties of their respective owners F...

Page 3: ... 0 Page 3 Table of Contents Chapter 1 Introduction 5 1 1 Document Scope 5 1 2 Overview 5 1 3 Product Overview 6 1 3 1 Hardware Components 6 1 3 2 Jumper Settings 7 Chapter 2 IA611 Xplained Pro Hardware 8 2 1 IA611 HW Connection 8 Chapter 3 Schematic 10 3 1 Bill of Materials 11 ...

Page 4: ...tal Smart Microphone 5 Figure 2 IA611 Xplained Pro Connected to SAM D21 Xplained Pro Development Board 6 Figure 3 IA611 Xplained Pro Board 6 Figure 4 Jumper Settings for Interfaces 7 Figure 5 Basic Hardware Architecture for IA611 Reference Design for IoT Platform 8 Figure 6 Schematic of the Knowles IA611 Xplained Pro Board 10 ...

Page 5: ...AM D21 Explained Pro MCU 1 1 Document Scope The IA611 Xplained Pro Hardware User Guide explains the architecture and design of the IA611 Xplained Pro development board 1 2 Overview The IA611 Smart Mic is a digital top port MEMS microphone with an integrated DSP for audio processing and low power voice detection wake Figure 1 The IA611 Digital Smart Microphone The IA611 Smart Mic on the Xplained Pr...

Page 6: ... AUD ESP 00444 V2 0 Page 6 Figure 2 IA611 Xplained Pro Connected to SAM D21 Xplained Pro Development Board 1 3 Product Overview 1 3 1 Hardware Components Figure 3 IA611 Xplained Pro Board The IA611 Xplained Pro Development Board contains the following hardware ...

Page 7: ...r Settings Figure 4 Jumper Settings for Interfaces The IA611 Xplained Pro Development Board contains three sets of jumpers to allow changing of the interface used to send commands and control the IA611 Figure 4 shows the location of the jumpers for each of the interfaces The default interface is UART and shown in green The SPI interface can be configured by placing the jumpers on the SPI block sho...

Page 8: ...ocontrollers for basic voice wake or voice command applications Figure 5 Basic Hardware Architecture for IA611 Reference Design for IoT Platform 2 1 IA611 HW Connection The IA611 Xplained Pro development board is connected to the SAM D21 development board through the EXT connector The IA611 Xplained Pro board uses a UART for the communication to the DSP integrated inside the microphone The UART co...

Page 9: ...connected directly to the IA611 microphone for use in a multi microphone configuration This could be useful in applications where beam forming or noise cancelation may improve performance of the solution The SPK0641HT4H can be disconnected from the IA611 through two zero ohm resistors should all 4 GPIO signals be needed in the desired application Three sets of jumpers are installed on the board to...

Page 10: ...IA611 Xplained Pro Hardware User Guide Knowles Confidential AUD ESP 00444 V2 0 Page 10 Chapter 3 Schematic Figure 6 Schematic of the Knowles IA611 Xplained Pro Board ...

Page 11: ...03 CL10B105KA8NFNC C5 1 0uF C EUC0603 CL21B105KA8NFNC C6 4 7uF C EUC0603 CL10B475KQ8NQNC C7 0 1uF C EUC0603 CL21B104KACNNNC C8 0 1uF C EUC0603 CL21B104KACNNNC EXT FE10 2W LDO1 TLV70218DBVT TLV70218DBVT R1 100K R US_R0603 RC0603JR 07100KL R2 0 R US_R0603 R3 0 R US_R0603 R4 0 R US_R0603 R5 0 R US_R0603 SPK0641 SPK0641HT4H 1 SPK0641HT4H 1 IA611 SHAPIRO2_SPKSHAPIRO_SPK_2 SHAPIRO2_SPKSHAPIRO_SPK_2 U1 T...

Page 12: ...IA611 Xplained Pro Hardware User Guide Knowles Confidential AUD ESP 00444 V2 0 Page 12 ...

Page 13: ...ng lists the changes made since the previous version of this document Version Revision Date Author s Comments 1 0 1 26 2018 Popper Cawley Release 1 0 1 2 20 2018 Cawley Update DMIC and graphics 1 02 3 27 2018 Popper Updated Schematic and DMIC 2 0 4 6 2018 Popper Release for V3 hardware adding support for I2C and SPI ...

Page 14: ...ligent Audio 331 Fairchild Drive Mountain View California 94043 USA Tel 1 650 254 2800 Fax 1 650 254 1440 www knowles com Copyright 2018 Knowles Corporation Product specifications are subject to change without notice All TRADEMARKS are recognized as the property of their respective owners Rev 5 10 18 ...

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