NXP EdgeReady MCU-Based Solution for Local Voice Control

MCU-LOCAL-VOICE

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This product is not recommended for new designs, it has been replaced by an updated version, here.

NXP EdgeReady MCU-based solution for local voice control leverages the i.MX RT106L crossover MCU, enabling developers to quickly and easily add local voice commands to their products. This ultra-small form-factor, production ready hardware design comes with fully integrated software running on FreeRTOS, for quick out-of-the-box evaluation and proof of concept development. This turnkey solution minimizes time to market, risk, and development effort enabling OEMs to easily add voice to their smart home and smart appliance products without the need for Wi-Fi® and cloud connectivity, addressing the privacy concerns of many consumers. This NXP EdgeReady solution is part of the EdgeVerse™ edge computing platform.

Block Diagram

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Local Voice Hardware

i.MX RT Local Voice Control MCU  - Hardware

Local Voice Software

i.MX RT Local voice Control MCU  - Software
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Supported Devices

Processors and Microcontrollers

i.MX RT Crossover MCUs

  • i.MX-RT1060: i.MX RT1060: Crossover MCU with Arm® Cortex®-M7

Features

MCU

  • i.MX RT1060 Crossover MCU with Arm® Cortex®-M7 core, 3020 CoreMark/1284 DMIPS @ 600 MHz, 32 kB I-cache, 32 kB D-cache, FPU

System Control

  • Secure JTAG, PLL OSC, eDMA, 4x Watch Dog, 6x GP Timer, 4x Quadrature ENC, 4x QuadTimer, 4x FlexPWM, IOMUX

Versatility

  • No voice or audio expertise required, ultra-small form factor, runs on FreeRTOS, supports up to three integrated low-cost MEMS microphones, two external digital microphone lines

ADC/DAC Conversion

  • 2x ADC (20-ch), 2 x ACMP

Processor

    null

SPK-Class-D

  • 5.6 W into 8 Ohms, 6.2 W into 4 Ohms (THD <1%; VBAT= 4 V), Very low noise: <14 μV

Adaptive DC-DC Boost

  • 10 V – Maximizes the output power of the class-D audio amplifier while preventing large battery supply spikes and limiting quiescent power consumption

Power Optimization

  • High system efficiency: 91% peak efficiency for 600 mW sine wave, low battery consumption: <125 mA (Po = 380 mW, average music power)

Single Power Supply

  • 5 V USB Type-C

Low-DropoutRegulation

  • DC-to-DC and LDO

Temperature Control

  • Interface temperature monitor

External

  • 32 MB HyperFlash

Internal

  • 1 MB on-chip SRAM

Software

  • Ciphers and RNG, Secure RTC, Fuse, HAB

Wi-Fi®

  • 802.11 b/g/n

Bluetooth®

  • Bluetooth/Bluetooth Low Energy (4.1)

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NXP EdgeReady MCU-Based Solution for Local Voice Control.

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    Note: For better experience, software downloads are recommended on desktop.

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