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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
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• 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) – Operates in LPM3.5 With 200 nA (Typical)
• Low-Energy Accelerator (LEA) – Operation Independent of CPU – 4KB of RAM Shared With CPU – Efficient 256-Point Complex FFT: Up to 40× Faster Than Arm® Cortex®-M0+ Core
• Embedded Microcontroller – 16-Bit RISC Architecture up to 16‑MHz Clock – Wide Supply Voltage Range From 3.6 V Down to 1.8 V (Minimum Supply Voltage is Restricted by SVS Levels, See the SVS Specifications)
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• Optimized Ultra-Low-Power Modes – Active Mode: Approximately 120 µA/MHz – Standby Mode With Real-Time Clock (RTC) (LPM3.5): 450 nA (1) – Shutdown (LPM4.5): 30 nA
• Ferroelectric Random Access Memory (FRAM) – Up to 256KB of Nonvolatile Memory – Ultra-Low-Power Writes – Fast Write at 125 ns Per Word (64KB in 4 ms) – Unified Memory = Program + Data + Storage in One Space – 1015 Write Cycle Endurance – Radiation Resistant and Nonmagnetic
• Intelligent Digital Peripherals – 32-Bit Hardware Multiplier (MPY) – 6-Channel Internal DMA – RTC With Calendar and Alarm Functions – Six 16-Bit Timers With up to Seven Capture/Compare Registers Each – 32-Bit and 16-Bit Cyclic Redundancy Check (CRC)
• High-Performance Analog – 16-Channel Analog Comparator – 12-Bit SAR ADC Featuring Window Comparator, Internal Reference, and Sample-and-Hold, up to 16 External Input Channels – Integrated LCD Driver With Contrast Control for up to 264 Segments
• Multifunction Input/Output Ports – Accessible Bit-, Byte-, and Word-Wise (in Pairs) – Edge-Selectable Wake From LPM on All Ports – Programmable Pullup and Pulldown on All Ports
• Code Security and Encryption – 128- or 256-Bit AES Security Encryption and Decryption Coprocessor – Random Number Seed for Random Number Generation Algorithms – IP Encapsulation Protects Memory From External Access – FRAM Provides Inherent Security Advantages
(1) The RTC is clocked by a 3.7-pF crystal.
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.
MSP430FR6047, MSP430FR60471, MSP430FR6045 MSP430FR6037, MSP430FR60371, MSP430FR6035
SLASEB7C – JUNE 2017 – REVISED SEPTEMBER 2018
www.ti.com
• Enhanced Serial Communication – Up to Four eUSCI_A Serial Communication Ports – UART With Automatic Baud-Rate Detection – IrDA Encode and Decode – Up to Two eUSCI_B Serial Communication Ports – I2C With Multiple-Slave Addressing – Hardware UART or I2C Bootloader (BSL)
• Flexible Clock System – Fixed-Frequency DCO With 10 Selectable Factory-Trimmed Frequencies – Low-Power Low-Frequency Internal Clock Source (VLO) – 32-kHz Crystals (LFXT) – High-Frequency Crystals (HFXT)
1.2 Applications
• Ultrasonic Smart Water Meters
• Ultrasonic Smart Heat Meters
• Development Tools and Software (Also See Tools and Software) – Ultrasonic Sensing Design Center Graphical User Interface – Ultrasonic Sensing Software Library – EVM430-FR6047 Water Meter Evaluation Module Board – MSP-TS430PZ100E Target Socket Board for 100-Pin Package – Free Professional Development Environments With EnergyTrace++ Technology – MSP430Ware™ for MSP430™ Microcontrollers
• Device Comparison Summarizes the Available Device Variants and Package Options
• For Complete Module Descriptions, See the MSP430FR58xx, MSP430FR59xx, and MSP430FR6xx Family.