NXP EdgeReady MCU-based solution for Amazon's Alexa Voice Service (AVS) integration for AWS IoT Core leverages the i.MX RT
crossover MCU, enabling developers to quickly and easily add Alexa voice assistant capabilities to their products.
This ultra-small form-factor, turnkey hardware design comes completely integrated with Amazon qualified software for
an out-of-the-box AVS experience.
No voice or audio expertise required, ultra-small form factor, runs on Amazon
FreeRTOS. Supports up to three integrated
low-cost MEMS microphones, two external digital microphone lines. Optional secure
2x ADC (20-ch), 2 x ACMP
Includes: MQTT, mBedTLS, Alexa for MCU, LWIP
The TFA9894 embedded DSP is a highly power-efficient class-D audio amplifier
solution associated with speaker protection
and boost algorithm
5.6W into 8 Ohms, 6.2W into 4 Ohms (THD <1%; VBAT= 4V), Very low noise:
Adaptive DC-DC Boost
10V – Maximizes the output power of the class-D audio amplifier while preventing
large battery supply spikes and limiting quiescent power consumption
High system efficiency: 91% peak efficiency for 600mW sine wave, Low battery
consumption: <125 mA (Po = 380 mW, average music power)
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SLN-ALEXA-IOT - Getting Started
Use these documents to learn about your SLN-ALEXA-IOT solution kit.