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Texas Instruments MSP430F5438AIPZ

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MSP430F5438AIPZ Overview

The TI MSP family of ultra-low-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with extensive low-power modes, is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows the device to wake up from low-power modes to active mode in 3.5 μs (typical).

The MSP430F543xA and MSP430F541xA series are microcontroller configurations with three 16-bit timers, a high-performance 12-bit ADC, up to four USCIs, a hardware multiplier, DMA, an RTC module with alarm capabilities, and up to 87 I/O pins.

For complete module descriptions, see the MSP430F5xx and MSP430F6xx Family User’s Guide.

ECAD Model

Symbol

MSP430F5438AIPZ

Footprint

MSP430F5438AIPZ

Features

  • 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

Applications

MSP430F5xx

Product Parameter

  • Core Processor CPUXV2

  • Speed 25MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 16K x 8

  • Number of I/O 87

  • Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Supplier Device Package 100-LQFP (14x14)

  • Package / Case 100-LQFP

  • Core Size 16-Bit

  • Connectivity I2C, IrDA, LINbus, SCI, SPI, UART/USART

  • Program Memory Size 256KB (256K x 8)

  • Data Converters A/D 16x12b

  • Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V

Circuit Diagram

MSP430F5438AIPZ

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