MSP430FR5041

• 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 (0.005 gallons/minute)
    • High-precision time measurement resolution of <5 ps
    • Approximately 3-µA overall current consumption with 1 set of results per second
    • Ability to support a wide pipe sizes with 15‑mm to 1000-mm diameter
  • Gas
    • ±250-ps differential time of flight (dToF) accuracy at low to high flow rates and across operating temperature
    • Achieves ±1% accuracy up to 12000 liters/hour with a wide dynamic range of 200:1
    • Ability to measure a flow rate >25000 liters/hour
    • Ability to detect a minimum flow rate of <3 liters/hour
    • High-precision time measurement resolution of <100 ps
    • Approximately 20-µA overall current consumption with 1 set of results per second
• Compliant to and exceeds ISO4064, OIML R49, EN 14236 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_A) that includes
  • Programmable pulse generator (PPG) to generate multi-tone pulses at various frequencies
  • Integrated PHY with low-impedance output driver (4 Ω) to control input and output channels
  • High-performance high-speed 12-bit analog-to-digital converter (SDHS) with output data rates up to 8 Msps
  • Programmable gain amplifier (PGA) with gain of –6.5 dB to 30.8 dB
  • High-performance PLL with output range of 68 to 80 MHz
• Metering test interface (MTIF)
  • Pulse generator and pulse counter
  • Pulse rates up to 1024 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
  • 8KB of RAM shared with CPU
  • Efficient 256-point complex FFT: Up to 40x 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 64KB 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 single 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
  • 6 16-bit timers with up to 7 capture/compare registers each
  • 32-bit and 16-bit cyclic redundancy check (CRC)
• High-performance analog
  • 12-channel analog comparator
  • 12-bit ADC featuring window comparator, internal reference, and sample-and-hold, with up to 8 external input channels
  • Integrated LCD driver with contrast control for up to 248 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
• Enhanced serial communication
  • Up to 4 eUSCI_A serial communication ports
    • UART with automatic baud-rate detection
    • IrDA encode and decode
  • Up to 2 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)
• Development tools and software
  • Ultrasonic Sensing Design Center graphical user interface
  • Ultrasonic Sensing Software Library
  • EVM430-FR6043 Gas Meter Evaluation Module Board
  • MSP-TS430PN80C Target Socket Board for 80-Pin Package
  • Free professional development environments with EnergyTrace++ technology
  • MSP430Ware™ for MSP microcontrollers
• Device Comparison summarizes the available device variants and package options

⁽¹⁾Minimum supply voltage is restricted by SVS levels (see the SVS specifications)

⁽²⁾The RTC is clocked by a 3.7-pF crystal.