MSP430FR6047 Datasheet, PDF (1/177 Pages) Texas Instruments – Ultrasonic Sensing MSP430 Microcontrollers for Water‑Metering Applications

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MSP430FR6047
SLASEB7 – JUNE 2017
MSP430FR6047 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 ISO4064, OIML R49,
and EN 1434 Accuracy Standards
• Ability to Directly Interface Standard Ultrasonic
Sensors (up to 2 MHz)
• Integrated Analog Front End – Ultrasonic Sensing
Solution (USS) That Includes
– Programmable Pulse Generation (PPG) to
Generate Pulses at Different Frequencies
– Integrated PHY With Low-Impedance Output
Driver (4 Ω) to Control Input and Output
Channels
– High-Performance High-Speed 12-Bit Sigma-
Delta Analog-to-Digital Converter (ADC) (SDHS)
With Output Data Rates up to 8 MSPS
– Programmable Gain Amplifier (PGA) With
–6.5 dB to 30.8 dB
– High-Performance PLL With Output Range of
68 MHz to 80 MHz
• Metering Test Interface (MTIF)
– Pulse Generator + Pulse Counter
– Pulse Rates up to 1016 Pulses per Second (p/s)
– Count Capacity up to 65525 (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
20 External Input Channels
– Integrated LCD Driver With Contrast Control for
up to 264 Segments
• Multifunction Input/Output Ports
– All Pins Support Capacitive-Touch Capability
With No Need for External Components
– 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) Minimum supply voltage is restricted by SVS levels.
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(2) 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. ADVANCE INFORMATION for pre-production products; subject to
change without notice.