MSP430FR60471

Product Folder Order Now Technical Documents Tools & Software Support & Community MSP430FR6047, MSP430FR60471, MSP430FR6045 MSP430FR6037, MSP430FR60371, MSP430FR6035 SLASEB7C – JUNE 2017 – REVISED SEPTEMBER 2018 MSP430FR604x(1), MSP430FR603x(1) Ultrasonic Sensing MSP430™ Microcontrollers for Water‑Metering Applications 1 Device Overview 1.1 Features 1 Best-in-Class Ultrasonic Water-Flow Measurement With Ultra-Low Power Consumption – <25-ps Differential Time-of-Flight (dTOF) Accuracy – High-Precision Time Measurement Resolution of <5 ps – Ability to Detect Low Flow Rates (<1 Liter per Hour) – Approximately 3-µA Overall Current Consumption With One Measurement per Second Compliant to and Exceeds ISO 4064, OIML R49, and EN 1434 Accuracy Standards Ability to Directly Interface Standard Ultrasonic Sensors (up to 2.5 MHz) Integrated Analog Front End – Ultrasonic Sensing Solution (USS) – Programmable Pulse Generation (PPG) to Generate Pulses at Different Frequencies – Integrated Physical Interface (PHY) With LowImpedance (4-Ω) Output Driver to Control Input and Output Channels – High-Performance High-Speed 12-Bit SigmaDelta ADC (SDHS) With Output Data Rates up to 8 Msps – Programmable Gain Amplifier (PGA) With –6.5 dB to 30.8 dB – High-Performance Phase-Locked Loop (PLL) With Output Range of 68 MHz to 80 MHz Metering Test Interface (MTIF) – Pulse Generator and Pulse Counter – Pulse Rates up to 1016 Pulses per Second (p/s) – Count Capacity up to 65535 (16 Bit) – Oper...