NXP Semiconductors FRDM-FXS-MULTI-B

Overview

FRDM-FXS-MULTI-B from NXP (formerly Freescale) is a Freedom development platform designed for rapid prototyping and evaluation of Xtrinsic intelligent sensors with Kinetis MCUs. It integrates MPL3115A2 barometer, MMA8652FC accelerometer, FXAS21000 gyroscope, FXOS8700CQ 6-axis sensor, MAG3110 magnetometer, FXLS8471 accelerometer, and MMA9553L pedometer - all supported by Bluetooth® wireless connectivity and Android™ Sensor Fusion Toolbox software.

For engineers reviewing the FRDM-FXS-MULTI-B datasheet, FRDM-FXS-MULTI-B pinout, FRDM-FXS-MULTI-B application, or FRDM-FXS-MULTI-B equivalent, this board enables fast validation of multi-axis sensor fusion, contextual awareness algorithms, battery-powered IoT edge sensing, and Android-integrated motion tracking in embedded development workflows.

Technical Context

The FRDM-FXS-MULTI-B is built around a Kinetis KL25Z or KL26Z MCU (ARM Cortex-M0+), providing real-time sensor data acquisition, on-board processing, and Bluetooth serial communication. It supports simultaneous operation of up to 12-axis sensing via hardware-multiplexed I²C/SPI interfaces and dedicated current measurement points per sensor.

Sensor fusion capabilities include tilt-compensated eCompass (3-axis), 6-axis (accelerometer + gyroscope), and full 9-axis (accelerometer + gyroscope + magnetometer) outputs, with virtual gyroscope synthesis and offset-compensated angular rate calculation enabled through Xtrinsic Sensor Fusion Toolbox firmware.

Key Specifications

Availability

FRDM-FXS-MULTI-B is available at Aetrix Electronics and suitable for industrial IoT sensor validation, wearable motion analytics, automotive ADAS prototyping, and consumer electronics context-awareness development requiring stable component supply and long-term toolchain continuity.

Supply support for FRDM-FXS-MULTI-B includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions, automotive MCUs, and intelligent sensing platforms - formed from the acquisition of Freescale Semiconductor in 2015.

The FRDM-FXS-MULTI-B belongs to NXP's Freedom Development Platform family, engineered specifically to accelerate sensor-based application development across consumer, industrial, and automotive markets using Xtrinsic intelligent sensors and Kinetis microcontrollers.

FAQ

What is the primary function of the FRDM-FXS-MULTI-B?

The FRDM-FXS-MULTI-B is a sensor-rich development platform for evaluating and prototyping multi-axis motion and environmental sensing applications. It integrates seven Xtrinsic sensors - including accelerometers, gyroscopes, magnetometers, barometers, and pedometers - with Bluetooth wireless streaming and Android software support. The FRDM-FXS-MULTI-B enables rapid validation of sensor fusion algorithms without custom hardware design.

Which microcontroller is used on the FRDM-FXS-MULTI-B?

The FRDM-FXS-MULTI-B uses a Kinetis KL25Z or KL26Z microcontroller based on the ARM Cortex-M0+ core, featuring integrated USB debug interface, OpenSDA bootloader, and native support for Freescale/NXP sensor drivers and middleware. This MCU provides real-time control, sensor data aggregation, and Bluetooth serial bridging - all essential for the FRDM-FXS-MULTI-B's role as a unified sensor evaluation platform.

Does the FRDM-FXS-MULTI-B support Arduino-compatible expansion?

Yes, the FRDM-FXS-MULTI-B features an Arduino R3-compatible footprint, allowing direct use of standard Arduino shields for analog/digital I/O expansion, display integration, or peripheral add-ons. Its pin mapping aligns with Arduino UNO R3 headers while retaining native Kinetis MCU functionality - a key design feature that makes the FRDM-FXS-MULTI-B flexible for both beginner and advanced embedded developers.

What software tools are provided for the FRDM-FXS-MULTI-B?

The FRDM-FXS-MULTI-B is supported by the Freescale Xtrinsic Sensor Fusion Toolbox for Android (free download), which delivers real-time visualization of 3-, 6-, and 9-axis sensor data, magnetic calibration, tilt-compensated eCompass output, and virtual gyroscope synthesis. Firmware binaries and sample code for the FRDM-FXS-MULTI-B are also available from NXP's official documentation portal.

Can the FRDM-FXS-MULTI-B operate on battery power?

Yes, the FRDM-FXS-MULTI-B supports standalone operation using a 3.7 V 500 mAh Li-ion battery, with onboard charging circuitry and jumper-selectable power source. Battery mode enables portable field testing of sensor behavior, low-power profiling, and wireless data logging - critical for validating real-world deployment conditions of the FRDM-FXS-MULTI-B in mobile and wearable applications.