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MSP430FR6047, MSP430FR60471, MSP430FR6045
MSP430FR6037, MSP430FR60371, MSP430FR6035
SLASEB7B – JUNE 2017 – REVISED DECEMBER 2017
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)
– 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:
1.8 V to 3.6 V (1)
• Optimized Ultra-Low-Power Modes
– Active Mode: Approximately 120 µA/MHz
– Standby Mode With Real-Time Clock (RTC)
(LPM3.5): 450 nA (2)
– 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)
(2)
Minimum supply voltage is restricted by SVS levels.
The RTC is clocked by a 3.7-pF crystal.
1
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.
