MSP430FR203x Mixed-Signal Microcontrollers

1 Device Overview

1.1 Features

• Embedded microcontroller
  • 16-bit RISC architecture up to 16 MHz
  • 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)
• Optimized low-power modes (at 3 V)
  • Active: 126 µA/MHz
  • Standby
    • LPM3.5 with VLO: 0.4 µA
    • Real-time clock (RTC) counter (LPM3.5 with 32768-Hz crystal): 0.77 µA
  • Shutdown (LPM4.5): 15 nA
• Low-power ferroelectric RAM (FRAM)
  • Up to 15.5KB of nonvolatile memory
  • Built-in error correction code (ECC)
  • Configurable write protection
  • Unified memory of program, constants, and storage
  • 10¹⁵ write cycle endurance
  • Radiation resistant and nonmagnetic
• Intelligent digital peripherals
  • IR modulation logic
  • Two 16-bit timers with three capture/compare registers each (Timer_A3)
  • One 16-bit counter-only RTC counter
  • 16-bit cyclic redundancy check (CRC)
• Enhanced serial communications
  • Enhanced USCI A (eUSCI_A) supports UART, IrDA, and SPI
  • Enhanced USCI B (eUSCI_B) supports SPI and I²C
• High-performance analog
  • 10-channel 10-bit analog-to-digital converter (ADC)
    • Internal 1.5-V reference
    • Sample-and-hold 200 ksps
• Clock system (CS)
  • On-chip 32-kHz RC oscillator (REFO)
  • On-chip 16-MHz digitally controlled oscillator (DCO) with frequency locked loop (FLL)
    • ±1% accuracy with on-chip reference at room temperature
  • On-chip very low-frequency 10-kHz oscillator (VLO)
  • On-chip high-frequency modulation oscillator clock (MODCLK)
  • External 32-kHz crystal oscillator (XT1)
  • Programmable MCLK prescalar of 1 to 128
  • SMCLK derived from MCLK with programmable prescalar of 1, 2, 4, or 8
• General input/output and pin functionality
  • Total 60 I/Os on 64-pin package
  • 16 interrupt pins (P1 and P2) can wake MCU from LPMs
  • All I/Os are capacitive touch I/Os
• Development tools and software
  • Free professional development environments
• Family members (also see Device Comparison)
  • MSP430FR2033: 15KB of program FRAM + 512B of information FRAM + 2KB of RAM
  • MSP430FR2032: 8KB of program FRAM + 512B of information FRAM + 1KB of RAM
• Package options
  • 64 pin: LQFP (PM)
  • 56 pin: TSSOP (G56)
  • 48 pin: TSSOP (G48)

1.2 Applications

• Smoke or fire detectors
• Glass breakage detectors
• Industrial sensor management
• System supervisor, low-power coprocessors
• Temperature sensors or controllers
• Data storage, data integration
• Human machine interface (HMI) controllers