NXP Semiconductors SLN-ALEXA-IOT Solution for Alexa Voice Service
NXP Semiconductors SLN-ALEXA-IOT Solution for Alexa Voice Service (AVS) is designed to provide OEMs with a fully integrated, self-contained, software and hardware solution for adding Alexa Voice Assistant capabilities to their applications. This ultra-small form-factor, turnkey hardware design, based on the i.MX RT106A audio crossover processor, comes completely integrated with Amazon-qualified software for an out-of-the-box AVS experience.
Features
Amazon Alexa-qualified, single MCU Alexa Voice Service implementationBased on i.MX RT106A Audio Crossover Processor (Arm Cortex-M7 @600MHz)Easy-to-use, BOM-optimized, production-grade, turnkey solutionEnables products to be Alexa Built-in Certified* at a lower cost than traditional application processor-based implementationsBrings Alexa to a wider range of cost-sensitive products
Specifications
Processor
MCU: 1x interface, i.MX RT106A Crossover Processor with Arm® Cortex®-M7 core, 3020 CoreMark/1284 DMIPS @ 600 MHz, 32 kB I-cache, 32kB D-cache, FPUSystem Control: 1x interface secure JTAG, PLL OSC, eDMA, 4x Watch Dog, 6x GP Timer, 4x Quadrature ENC, 4x QuadTimer, 4x FlexPWM, IOMUXGeneral
Qualifications: Amazon AVS qualifiedVersatility: No voice or audio expertise required, Ultra-small form factor, runs on Amazon FreeRTOS, supports up to three integrated MEMS microphones, two external digital microphone linesADC/DAC Conversion: 2x ADC (20-ch), 2x ACMPProtocols: Includes MQTT, mBedTLS, Alexa for MCU, LWIPAudio
Overview: TFA9894 Embedded DSP Power-efficient Class-D Audio Amplifier solution with speaker protection and boost algorithmSPK-Class-D: 5.6W into 8Ω, 6.2W into 4Ω (THD <1%; VBAT= 4V), very low noise: <14μVAdaptive DC-DC Boost: 10V – Maximizes the output power of the class-D audio amplifier while preventing large battery supply spikes and limiting quiescent power consumptionPower Optimization: High system efficiency: 91% peak efficiency for 600mW sine wave, low battery consumption: <125mA (Po = 380mW, average music power)Power
Single Power Supply: 1x 5V USB Type-CLow-Dropout Regulation: DC-to-DC & LDO Temperature Control: 1x interface temp monitorMemory
External: 32 MB hyper-flashInternal: 1MB on-chip SRAMSecurity
Hardware: Secure element A71CH (Optional)Software: Ciphers & RNG, secure RTC, Fuse, HABConnectivity
Wi-Fi®: 802.11 b/g/nBluetooth®: Bluetooth/Bluetooth low energy (4.1)
MCU: 1x interface, i.MX RT106A Crossover Processor with Arm® Cortex®-M7 core, 3020 CoreMark/1284 DMIPS @ 600 MHz, 32 kB I-cache, 32kB D-cache, FPUSystem Control: 1x interface secure JTAG, PLL OSC, eDMA, 4x Watch Dog, 6x GP Timer, 4x Quadrature ENC, 4x QuadTimer, 4x FlexPWM, IOMUXGeneral
Qualifications: Amazon AVS qualifiedVersatility: No voice or audio expertise required, Ultra-small form factor, runs on Amazon FreeRTOS, supports up to three integrated MEMS microphones, two external digital microphone linesADC/DAC Conversion: 2x ADC (20-ch), 2x ACMPProtocols: Includes MQTT, mBedTLS, Alexa for MCU, LWIPAudio
Overview: TFA9894 Embedded DSP Power-efficient Class-D Audio Amplifier solution with speaker protection and boost algorithmSPK-Class-D: 5.6W into 8Ω, 6.2W into 4Ω (THD <1%; VBAT= 4V), very low noise: <14μVAdaptive DC-DC Boost: 10V – Maximizes the output power of the class-D audio amplifier while preventing large battery supply spikes and limiting quiescent power consumptionPower Optimization: High system efficiency: 91% peak efficiency for 600mW sine wave, low battery consumption: <125mA (Po = 380mW, average music power)Power
Single Power Supply: 1x 5V USB Type-CLow-Dropout Regulation: DC-to-DC & LDO Temperature Control: 1x interface temp monitorMemory
External: 32 MB hyper-flashInternal: 1MB on-chip SRAMSecurity
Hardware: Secure element A71CH (Optional)Software: Ciphers & RNG, secure RTC, Fuse, HABConnectivity
Wi-Fi®: 802.11 b/g/nBluetooth®: Bluetooth/Bluetooth low energy (4.1)
Applications
Smart switches, smart lighting, shade, and fan controlsSmart plugs and outletsSmart appliancesSet top boxes and residential gatewaysAlarm / access panels and thermostatsGarage door openers
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