Enhanced product 25-MHz MCU with 256-KB flash, 16-KB SRAM, 12-bit ADC, DMA, UART/SPI/I2C, timer

MSP430F5438A-EP

ACTIVE

Product details

Non-volatile memory (kB) 256 RAM (KB) 16 ADC 12-bit SAR GPIO pins (#) 87 Features Real-time clock, Watchdog timer, Temp sensor, Brown out reset, IrDA UART 4 USB No Number of I2Cs 4 SPI 8 Comparator channels (#) 0
Non-volatile memory (kB) 256 RAM (KB) 16 ADC 12-bit SAR GPIO pins (#) 87 Features Real-time clock, Watchdog timer, Temp sensor, Brown out reset, IrDA UART 4 USB No Number of I2Cs 4 SPI 8 Comparator channels (#) 0
LQFP (PZ) 100 256 mm² 16 x 16
  • 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 Auto-Baudrate Detection
      • IrDA Encoder and Decoder
      • Synchronous SPI
    • USCI_B0, USCI_B1, USCI_B2, and USCI_B3 Each Supporting
      • I2CTM
      • Synchronous SPI
  • 12-Bit Analog-to-Digital (A/D) Converter
    • 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
  • Three Channel Internal DMA
  • Basic Timer With Real-Time Clock Feature
  • For Complete Module Descriptions, See the (SLAU208)
  • 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)

Supports Defense, Aerospace, and Medical Applications

  • Controlled Baseline
  • One Assembly and Test Site
  • One Fabrication Site
  • Available in Extended (–55°C to 125°C) Temperature Range
  • Extended Product Life Cycle
  • Extended Product-Change Notification
  • Product Traceability

(1) Use of crystals is not ensured above 85°C for both 32-kHz and high frequency crystals.
All trademarks are the property of their respective owners.

  • 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 Auto-Baudrate Detection
      • IrDA Encoder and Decoder
      • Synchronous SPI
    • USCI_B0, USCI_B1, USCI_B2, and USCI_B3 Each Supporting
      • I2CTM
      • Synchronous SPI
  • 12-Bit Analog-to-Digital (A/D) Converter
    • 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
  • Three Channel Internal DMA
  • Basic Timer With Real-Time Clock Feature
  • For Complete Module Descriptions, See the (SLAU208)
  • 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)

Supports Defense, Aerospace, and Medical Applications

  • Controlled Baseline
  • One Assembly and Test Site
  • One Fabrication Site
  • Available in Extended (–55°C to 125°C) Temperature Range
  • Extended Product Life Cycle
  • Extended Product-Change Notification
  • Product Traceability

(1) Use of crystals is not ensured above 85°C for both 32-kHz and high frequency crystals.
All trademarks are the property of their respective owners.

The MSP430F5438A-EP 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-EP is a microcontroller configuration with three 16-bit timers, a high performance 12-bit analog-to-digital (A/D) converter, up to four universal serial communication interfaces (USCI), hardware multiplier, DMA, real-time clock module with alarm capabilities, and up to 87 I/O pins.

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-EP 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-EP is a microcontroller configuration with three 16-bit timers, a high performance 12-bit analog-to-digital (A/D) converter, up to four universal serial communication interfaces (USCI), hardware multiplier, DMA, real-time clock module with alarm capabilities, and up to 87 I/O pins.

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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Technical documentation

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Type Title Date
* Data sheet MSP430F5438A-EP Mixed Signal Microcontroller datasheet (Rev. A) 22 Jan 2014
* Errata MSP430F5438A Microcontroller Errata (Rev. AC) 08 Oct 2012
* VID MSP430F5438A-EP VID V6214608 21 Jun 2016
Application note MSP430 System-Level ESD Considerations (Rev. B) 14 Jul 2021
User guide MSP430 MCUs Development Guide Book (Rev. A) 13 May 2021
Technical article A world of possibilities: 5 ways to use MSP430™︎ MCUs in your design 29 Apr 2021
Application note MSP430 System ESD Troubleshooting Guide 13 Dec 2019
White paper Capacitive Touch and MSP Microcontrollers (Rev. A) 27 Apr 2017
Application note General Oversampling of MSP ADCs for Higher Resolution (Rev. A) 01 Apr 2016
User guide Safety Manual for MSP430G2xx, F5xx, and FR57xx in IEC 60730 Safety Applications (Rev. A) 12 Jan 2016

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