MSP430FR6043 ultrasonic sensing evaluation module


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The EVM430-FR6043 evaluation kit is a development platform that can be used to evaluate the performance of the MSP430FR6043 for ultrasonic sensing applications (e.g. Smart Gas Meters). The MSP430FR6043 MCU is an ultra-low-power MCU that integrates an ultrasonic sensing analog front end (USS) for high precision and accurate ultrasonic measurements. The device also includes the low-energy accelerator (LEA) for optimized signal processing and helps in optimizing power for higher battery lifetime. The kit provides a flexible solution to enable engineers to quickly evaluate and develop with the MSP430FR6043 MCU with a variety of transducers with different frequencies. The EVM has the ability to display the measurement parameters with on-board LCD and connectors for RF communication modules. 

  • USB powered and provision for external power 
  • Connector available to interface with different transducer types
  • BoosterPack headers available to interface with external boards (I2C, SPI, UART, GPIO) and RF communication modules
  • On-board segmented LCD 
  • On-board eZ-FET emulation circuit to enable programming and debug

  • Evaluation board (EVM430-FR6043)
  • USB cable
  • Transducer not included

MSP430 microcontrollers
MSP430FR5041 16-MHz MCU with 32 KB FRAM, 12-bit high speed 8 MSPS sigma-delta ADC and integrated sensor AFE MSP430FR5043 16-MHz MCU with 64 KB FRAM, 12-bit high speed 8-MSPS sigma-delta ADC and integrated sensor AFE MSP430FR50431 Ultrasonic Sensing MCU with 64KB FRAM, 12KB RAM, I2C Boot Loader for flow meters MSP430FR6041 16-MHz MCU with 32-KB FRAM, LCD, 12-bit high speed 8-MSPS sigma-delta ADC and integrated sensor AFE MSP430FR6043 Ultrasonic Sensing MCU with 64KB FRAM, 12KB RAM, LCD for gas and water metering applications MSP430FR60431 16-MHz MCU with 64-KB FRAM, LCD, 12-bit high speed 8-MSPS sigma-delta ADC and integrated sensor AFE


Analog switches & muxes
TS5A21366 0.75-Ω on-state resistance, 5-V, 1:1 (SPST), two-channel analog switch with 1.8-V input logic TS5A9411 5-V, 2:1 (SPDT), 1-channel general-purpose analog switch (6-pin SC70)


Boost converters (integrated switch)
TPS61240 2.3-V to 5.5-V input range, 3.5-MHz fixed frequency 450-mA boost converter


Buck converters (integrated switch)
TPS62740 2.2V-5.5V input, ultra-low-power 300mA step-down buck DCDC converter with 360nA Iq


ESD protection diodes
TPD2E001 Dual 1.5-pF, 5.5-V, ±8-kV ESD protection diode with 1-nA max leakage & VCC pin for USB 2.0


High-speed op amps (GBW ≥ 50 MHz)
OPA836 Very Low Power, Rail to Rail out, Negative Rail in, VFB Op Amp


Load switches
TPS22860 0.73-Ω, 5-V, ultra-low leakage load switch


USB hubs & controllers
TUSB2046B 4-port USB 2.0 12-Mbps USB full-speed hub
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Getting started with ultrasonic gas flow measurement

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Design and develop gas flow measurement using MSP430FR6043 MCUs

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Evaluation board

EVM430-FR6043 — MSP430FR6043 ultrasonic sensing evaluation module

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Design files


Technical documentation

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Type Title Date
* User guide MSP430FR6043-based ultrasonic gas flow meter quick start guide (Rev. B) 24 Jan 2019
Data sheet MSP430FR604x, MSP430FR504x 16-MHz MCU up to 64KB FRAM, 12-Bit High-Speed 8-MSPS Sigma-Delta ADC, and Integrated Sensor AFE datasheet (Rev. B) PDF | HTML 01 Dec 2021
Application note Ultrasonic Transducer Selection for Gas Metering (Rev. B) 04 Jan 2021
Application note Gas Meter Design Guide 28 Oct 2020
Application note Oxygen Concentration Sensing PDF | HTML 14 Oct 2020
Application note Liquid Concentration Sensing 09 Oct 2020
Application note USS Water Flow Rate Calibration 09 Oct 2020
Application note High-Resolution Anemometers 02 Oct 2020
Application note Ultrasonic Surface Sensing 25 Sep 2020
Application note Ultrasonic Leak Detection 23 Sep 2020
User guide Water Flow Meter Quick Start Guide (Rev. B) 17 Sep 2020
Application note High Resolution Ultrasonic Liquid Level Sensing (Rev. A) PDF | HTML 01 Sep 2020
Application note Clamp On Water Meter for PVC Pipes 25 Jun 2020
User guide Quick Start Guide for Gas Flow Meter 15 Jun 2020
White paper Smart Flow Meters using MSP430™ Ultrasonic Sensing Microcontrollers 17 Oct 2019
Technical article Expanding the ultrasonic sensing solution (USS) library to support our new line of PDF | HTML 20 Feb 2019
White paper Ultrasonic sensing of gas flow white paper 24 Jan 2019
EVM User's guide EVM430-FR6043 hardware guide 24 Jan 2019
Certificate EVM430-FR6043 EU Declaration of Conformity (DoC) 24 Jul 2018

Related design resources

Software development

MSP-ULTRASONIC-DESIGN-CENTER MSP430 MCUs Ultrasonic Sensing Design Center

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