True Wireless Earbuds

TRUE-WIRELESS-EARBUDS

NXP® offers a growing portfolio of ultra-low-power MiGLO™ hearables solutions based on digital signal processing, NFMI and Bluetooth® Low-Energy technologies. MiGLO delivers the power of wireless audio today. smart headphones, are highly integrated, truly wireless earbuds designed to improve audio experiences across a range of consumer and healthcare applications.

Block Diagram

True Wireless Earbuds

True Wireless Earbuds BD
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Supported Devices

Audio

Audio Converters

Power Management

Battery Chargers

  • MC34673: 1.2 A Single-Cell Li-Ion / Li-Polymer Battery Charger

Sensors

Accelerometers

  • FXLS8974CF: ±2g/±4g/±8g/±16g, Low-Power 12-Bit Digital IoT Accelerometer

Processors and Microcontrollers

LPC54000 Arm Cortex-M4

  • LPC541XX: Low-Power Microcontrollers (MCUs) Based on Arm® Cortex®-M4 Cores With Optional Cortex®-M0+ Co-processor

Analog and Mixed Signal

Voltage Level Translators

RFID

Connected NFC Tags

  • NTAG_I2C: NTAG I²C Plus 2K: NFC Forum Type 2 Tag with I²C Interface

Wireless Connectivity

MiGLO®

  • NXH2266: NFMI Radio for Wireless Audio and Data Streaming

Features

Arm® Cortex®-M4 core

  • Arm Cortex-M4 processor, running at a frequency of up to 150 MHz
  • Floating Point Unit (FPU) and Memory Protection Unit (MPU)
  • Arm Cortex-M4 built-in Nested Vectored Interrupt Controller (NVIC)
  • Non-maskable Interrupt (NMI) input with a selection of sources
  • Serial Wire Debug (SWD) with six instruction break points, two literal comparators, and four watchpoints. Includes Serial Wire Output for enhanced debug capabilities
  • System tick timer

Arm Cortex-M0+ core

  • Arm Cortex-M0+ processor, running at a frequency of up to 150 MHz (uses the same clock as Cortex-M4) with a single-cycle multiplier and a fast single-cycle I/O port
  • Arm Cortex-M0+ built-in Nested Vectored Interrupt Controller (NVIC)
  • Non-maskable Interrupt (NMI) input with a selection of sources
  • Serial Wire Debug with four breakpoints and two watchpoints
  • System tick timer

NXH2266 Features

  • Single-chip solution for wireless audio and data streaming
  • Second-generation NFMI technology
  • Integrated Arm Cortex-M0 processor
  • CoolFluxDSP® for audio processing
  • Works standalone or with external MCU
  • Up to 3 simultaneous audio streams
  • Supported audio sampling frequencies: 16 kHz to 48 kHz
  • Ultra-low-power operation

Documentation

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