MCU Microcontroller Unit Texas Instruments/TI MSP430F5438AIPZR

Features for the MSP430F5438A

• Low supply voltage range: 3.6 V down to 1.8 V
• Ultra-low power consumption
  • Active mode (AM): all system clocks active 230 µA/MHz at 8 MHz, 3.0 V, flash program execution (typical) 110 µA/MHz at 8 MHz, 3.0 V, RAM program execution (typical)
  • Standby mode (LPM3): real-time clock (RTC) with crystal, watchdog, and supply supervisor operational, full RAM retention, fast wakeup: 1.7 µA at 2.2 V, 2.1 µA at 3.0 V (typical) low-power oscillator (VLO), general-purpose counter, watchdog, and supply supervisor operational, full RAM retention, fast wakeup: 1.2 µA at 3.0 V (typical)
  • Off mode (LPM4): full RAM retention, supply supervisor operational, fast wakeup: 1.2 µA at 3.0 V (typical)
  • Shutdown mode (LPM4.5): 0.1 µA at 3.0 V (typical)
• Wake up from standby mode in 3.5 µs (typical)
• 16-bit RISC architecture
  • Extended memory
  • Up to 25-MHz system clock
• Flexible power-management system
  • Fully integrated LDO with programmable regulated core supply voltage
  • Supply voltage supervision, monitoring, and brownout
• Unified clock system
  • FLL control loop for frequency stabilization
  • Low-power low-frequency internal clock source (VLO)
  • Low-frequency trimmed internal reference source (REFO)
  • 32-kHz crystals
  • High-frequency crystals up to 32 MHz
• 16-bit timer TA0, Timer_A with five capture/compare registers
• 16-bit timer TA1, Timer_A with three capture/compare registers
• 16-bit timer TB0, Timer_B with seven capture/compare shadow registers
• Up to four universal serial communication interfaces (USCIs)
  • USCI_A0, USCI_A1, USCI_A2, and USCI_A3 each support:
    • Enhanced UART supports automatic baud-rate detection
    • IrDA encoder and decoder
    • Synchronous SPI
  • USCI_B0, USCI_B1, USCI_B2, and USCI_B3 each support:
    • I2C
    • Synchronous SPI
• 12-bit analog-to-digital converter (ADC)
  • Internal reference
  • Sample-and-hold
  • Autoscan feature
  • 14 external channels, 2 internal channels
• Hardware multiplier supports 32-bit operations
• Serial onboard programming, no external programming voltage needed
• 3-channel internal DMA
• Basic timer with RTC feature
• Device Comparison summarizes the available family members