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MSP430F5438A-ET

ACTIVO

Temperatura extendida MCU de 25 MHz con 256-KB flash, 16 KB SRAM, 12 bit ADC, DMA, UART/SPI/I2C, tem

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MSP430F5438A-ET

ACTIVO
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Detalles del producto

Frequency (MHz) 25 RAM (kByte) 16 ADC type 12-bit SAR Features Real-time clock UART 4 Security Secure debug SPI 8 Hardware accelerators 0 Operating temperature range (°C) -55 to 125 Rating HiRel Enhanced Product Operating system BareMetal (No OS), TI RTOS Nonvolatile memory (kByte) 256 Number of I2Cs 4
Frequency (MHz) 25 RAM (kByte) 16 ADC type 12-bit SAR Features Real-time clock UART 4 Security Secure debug SPI 8 Hardware accelerators 0 Operating temperature range (°C) -55 to 125 Rating HiRel Enhanced Product Operating system BareMetal (No OS), TI RTOS Nonvolatile memory (kByte) 256 Number of I2Cs 4
NFBGA (ZCA) 113 49 mm² (7 mm × 7 mm) NFBGA (GCA) 113 49 mm² (7 mm × 7 mm)
  • Extended temperature version -ET uses silicon revision H
  • Low supply voltage range: 3.6 V down to 1.8 V
  • Ultralow 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 with crystal, watchdog, and supply supervisor operational, full RAM retention, fast wake-up: 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 wake-up: 1.2 µA at 3.0 V (typical)
    • Off mode (LPM4): full RAM retention, supply supervisor operational, fast wake-up: 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 (1)
  • 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
    • USCI_A0, USCI_A1, USCI_A2, and USCI_A3 each supporting
      • Enhanced UART supporting automatic baud-rate detection
      • IrDA encoder and decoder
      • Synchronous SPI
    • USCI_B0, USCI_B1, USCI_B2, and USCI_B3 each supporting
      • 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 supporting 32-bit operations
  • Serial onboard programming, no external programming voltage needed
  • 3-channel internal DMA
  • Basic timer with real-time clock feature
  • Wide operational range: –40°C to 125°C (Q temp), –55°C to 125°C (M temp) (some noted parameters specified for –40°C to 85°C only)
  • Available SnAgCu (ZCA) or SnPb (GCA) ball material

(1)Use of crystals is not ensured above 85°C for both 32-kHz and high-frequency crystals.
  • Extended temperature version -ET uses silicon revision H
  • Low supply voltage range: 3.6 V down to 1.8 V
  • Ultralow 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 with crystal, watchdog, and supply supervisor operational, full RAM retention, fast wake-up: 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 wake-up: 1.2 µA at 3.0 V (typical)
    • Off mode (LPM4): full RAM retention, supply supervisor operational, fast wake-up: 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 (1)
  • 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
    • USCI_A0, USCI_A1, USCI_A2, and USCI_A3 each supporting
      • Enhanced UART supporting automatic baud-rate detection
      • IrDA encoder and decoder
      • Synchronous SPI
    • USCI_B0, USCI_B1, USCI_B2, and USCI_B3 each supporting
      • 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 supporting 32-bit operations
  • Serial onboard programming, no external programming voltage needed
  • 3-channel internal DMA
  • Basic timer with real-time clock feature
  • Wide operational range: –40°C to 125°C (Q temp), –55°C to 125°C (M temp) (some noted parameters specified for –40°C to 85°C only)
  • Available SnAgCu (ZCA) or SnPb (GCA) ball material

(1)Use of crystals is not ensured above 85°C for both 32-kHz and high-frequency crystals.

The MSP430F5438A-ET is an ultralow-power microcontroller. 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 wake-up from low-power modes to active mode in 3.5 µs (typical).

The MSP430F5438A-ET is a microcontroller configuration with three 16-bit timers, a high-performance 12-bit analog-to-digital converter (ADC), up to 4 universal serial communication interfaces (USCIs), a hardware multiplier, a DMA, a real-time clock (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 .

Typical applications for this device include analog and digital sensor systems, digital motor control, remote controls, thermostats, digital timers, and hand-held meters.

The MSP430F5438A-ET is an ultralow-power microcontroller. 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 wake-up from low-power modes to active mode in 3.5 µs (typical).

The MSP430F5438A-ET is a microcontroller configuration with three 16-bit timers, a high-performance 12-bit analog-to-digital converter (ADC), up to 4 universal serial communication interfaces (USCIs), a hardware multiplier, a DMA, a real-time clock (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 .

Typical applications for this device include analog and digital sensor systems, digital motor control, remote controls, thermostats, digital timers, and hand-held meters.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos MSP430F5438A-ET Mixed-Signal Controller datasheet (Rev. A) PDF | HTML 25/02/2021
Nota sobre la aplicación Migration Guide From MSP430 MCUs to MSPM0 MCUs (Rev. B) PDF | HTML 2/06/2025
Guía del usuario MSP430 MCUs Development Guide Book (Rev. A) PDF | HTML 13/05/2021
Nota sobre la aplicación MSP430 System ESD Troubleshooting Guide PDF | HTML 13/12/2019

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