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MSP430FR6043, MSP430FR60431, MSP430FR6041 MSP430FR5043, MSP430FR50431, MSP430FR5041
SLASEF5 – JANUARY 2019
MSP430FR604x, MSP430FR504x ultrasonic sensing MSP430™ microcontrollers for gas and water flow metering applications
1 Device Overview
1.1 Features
1
• Best-in-class ultrasonic water and gas flow measurement with ultra-low power consumption – Water – ±12.5-ps differential time of flight (dToF) accuracy at low to high flow rates and across operating temperature – Achieves ±1% accuracy for a wide dynamic range of 500:1 – Ability to measure a maximum flow rate of 8800 liters/hour (40 gallons/minute) on 25‑mm diameter pipe – Ability to detect a minimum flow rate of <1 liter/hour (0.