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微控制器 (MCU) 與處理器
Microcontrollers
Low-power MCUs

MSP430F5438A

現行

具 256 KB 快閃記憶體、16-KB SRAM、12 位元 ADC、DMA、UART/SPI/I2C、定時器、HW 倍頻器的 25 MHz MCU

立即訂購
產品規格表

MSP430F5438A

現行
產品規格表 立即訂購

產品詳細資料

CPU MSP430 Frequency (MHz) 25 Flash memory (kByte) 256 RAM (kByte) 16 ADC type 12-bit SAR Features Real-time clock UART 4 Security Secure debug Number of ADC channels 14 SPI 8 USB No Hardware accelerators 0 Operating temperature range (°C) -40 to 85 Rating Catalog Communication interface I2C, SPI, UART Operating system BareMetal (No OS), TI RTOS Nonvolatile memory (kByte) 256 Number of GPIOs 87 Number of I2Cs 4
CPU MSP430 Frequency (MHz) 25 Flash memory (kByte) 256 RAM (kByte) 16 ADC type 12-bit SAR Features Real-time clock UART 4 Security Secure debug Number of ADC channels 14 SPI 8 USB No Hardware accelerators 0 Operating temperature range (°C) -40 to 85 Rating Catalog Communication interface I2C, SPI, UART Operating system BareMetal (No OS), TI RTOS Nonvolatile memory (kByte) 256 Number of GPIOs 87 Number of I2Cs 4
LQFP (PZ) 100 256 mm² (16 mm × 16 mm) NFBGA (ZCA) 113 49 mm² (7 mm × 7 mm) DIESALE (Y) — See data sheet
  • 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
  • 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

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.

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.
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技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 MSP430F543xA, MSP430F541xA Mixed-Signal Microcontrollers datasheet (Rev. H) PDF | HTML 2021/5/10
* 勘誤表 MSP430F5438A Microcontroller Errata (Rev. AC) PDF | HTML 2021/10/21
應用說明 Migration Guide From MSP430 MCUs to MSPM0 MCUs (Rev. B) PDF | HTML 2025/6/2
應用說明 Design Considerations When Using the MSP430 Graphics Library (Rev. A) PDF | HTML 2023/8/9
應用說明 ESD Diode Current Specification (Rev. B) PDF | HTML 2021/8/23
應用說明 MSP430 System-Level ESD Considerations (Rev. B) PDF | HTML 2021/7/14
使用指南 MSP430 MCUs Development Guide Book (Rev. A) PDF | HTML 2021/5/13
使用指南 SYS/BIOS (TI-RTOS Kernel) User's Guide (Rev. V) 2020/6/1
應用說明 MSP430 System ESD Troubleshooting Guide PDF | HTML 2019/12/13
應用說明 Migrating From MSP430F541x and MSP430F543x to MSP430F541xA and MSP430F543xA (Rev. C) PDF | HTML 2019/3/29
應用說明 Programming a Flash-Based MSP430 MCU Using the JTAG Interface (Rev. H) 2019/3/15
應用說明 MSP430F5xx Overview and Comparison to MSP430F2xx and MSP430F4xx (Rev. A) PDF | HTML 2018/9/26
應用說明 Understanding MSP430 Flash Data Retention (Rev. A) PDF | HTML 2018/8/24
應用說明 MSP430 Flash Memory Characteristics (Rev. B) PDF | HTML 2018/8/24
應用說明 Using the TPS3619 With MSP430 Microcontrollers (Rev. B) PDF | HTML 2018/8/6
應用說明 Efficient Multiplication and Division Using MSP430 MCUs (Rev. A) 2018/7/18
應用說明 Random Number Generation Using MSP430™ MCUs (Rev. A) 2018/5/16
應用說明 Wave Digital Filtering Using an MSP430 MCU (Rev. A) 2018/5/16
使用指南 MSP430x5xx and MSP430x6xx Family User's Guide (Rev. Q) 2018/3/15
應用說明 Software Coding Techniques for MSP430™ MCUs (Rev. B) 2018/3/14
應用說明 MSP430 32-kHz Crystal Oscillators (Rev. D) PDF | HTML 2017/7/18
白皮書 Capacitive Touch and MSP Microcontrollers (Rev. A) 2017/4/27
應用說明 Migrating from the MSP430F5xx,F6xx Family to the MSP430FR58xx/FR59xx/68xx Family (Rev. D) 2016/11/3
技術文章 Unit testing ultra-low-power MSP430™ MCUs in a desktop environment PDF | HTML 2016/9/27
應用說明 Advanced Debugging Using the Enhanced Emulation Module (EEM) With CCS v6 (Rev. F) 2016/9/6
技術文章 Learn how to apply wireless firmware upgrades for MSP430 microcontrollers PDF | HTML 2016/5/5
應用說明 General Oversampling of MSP ADCs for Higher Resolution (Rev. A) PDF | HTML 2016/4/1
功能安全資訊 Safety Manual for MSP430G2xx, F5xx, and FR57xx in IEC 60730 Safety Applications (Rev. A) 2016/1/12
應用說明 MSP Code Protection Features PDF | HTML 2015/12/7
應用說明 CC112x-CC1190 Boost Software Examples PDF | HTML 2015/10/19
應用說明 Using the USCI I2C Master (Rev. A) 2015/3/11
應用說明 Using the MSP430 Timer_D Module in Hi-Resolution Mode 2013/10/2
應用說明 Cost Down Metro Network 2013/8/30
白皮書 Microcontrollers in Flow Meters (Rev. B) 2012/11/9
白皮書 SMART GAS AND WATER METER TRENDS: IMPACTS ON METER DESIGNS 2012/11/7
應用說明 Launchpad-Based MSP430 UART BSL Interface (Rev. A) 2012/8/2
應用說明 Heart-Rate Monitor with Micrium uC/OS-II Kernel on the MSP430F5438A Experimenter 2012/7/5
白皮書 Power Management Solutions for Ultra-Low-Power 16-Bit MSP430 MCUs (Rev. D) 2012/3/28
應用說明 Powering the MSP430 from a High Voltage Input using the TPS62122 (Rev. C) 2012/1/12
應用說明 Optimizing Memory on MSP430 for uC/OS-II 2011/11/14
應用說明 Tiny DCDC Converter Reference Design (Rev. A) 2010/6/14
應用說明 1.8V – 5.5V Input, High-Efficiency DCDC Converter Reference Design for MSP430 (Rev. B) 2010/6/14
應用說明 Debugging MSP430 LPM4.5 2009/12/18

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在單機模式下，只要按下「開始」按鈕或透過一些 TTL 控制線，就可以執行編程週期。

其緊湊的尺寸和多功能性可輕鬆整合到生產環境、手動和自動化程序中。

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硬體程式設計工具

MSP-FET — MSP MCU 程式設計工具和偵錯器

MSP-FET 是一款強大的模擬開發工具，通常稱為偵錯探測器，可讓使用者快速展開 MSP 低功耗微控制器 (MCU) 的開始工作。

它支援透過 JTAG 和 SBW 介面進行編程和即時偵錯。此外，MSP-FET 也能在電腦 USB 介面與 MSP UART 間提供後通道 UART 連接。這為 MSP 程式設計工具提供了一種便利的方法，能在 MSP 和電腦上執行的終端之間進行串行通訊。它也支援透過 UART 和 I2C 通訊協定，使用 BSL（自舉式載入程式）將程式（通常稱為韌體）載入到 MSP 目標。

USB 介面可將 MSP-FET 連接至電腦，而 14 針腳連接器則可存取 MSP (...)

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ALGO-3P-WRITENOW — Algocraft WriteNow！程式設計工具

WriteNow! 系統內編程器系列是可編程產業的一大突破。此編程器支援多家製造商的眾多裝置 (例如微控制器、記憶體、CPLD 與其他可編程裝置)。其尺寸精巧，便於整合至 ATE 與固定裝置。編程器可單機運作，或透過內建的 RS-232、LAN 與 USB 連接埠與主機電腦連線，並隨附操作簡易的工具軟體。

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軟體開發套件 (SDK)

MSP430-SDK — 適用於 MSP430 微控制器的 MSP430-SDK

MSP430-SDK 資源集可協助使用者為 MSP430 微控制器 (MCU) 編寫有效程式碼。這些資源支援所有 MSP430 微控制器。就像有位使用者提到的，「基本上就是讓開發人員擁有成為 MSP430 微控制器專家所需的一切！」

此設計資源集合包括各式各樣的高度抽象軟體函式庫任君選擇，內容包含裝置和週邊設備專用函式庫 (如 MSP430 驅動器函式庫)，乃至圖形與電容式觸控函式庫等應用程式專用函式庫。MSP430 驅動器函式庫尤為重要，其可協助軟體開發人員運用便利的 API 來控制低階複雜的硬體週邊設備，讓產生的程式碼更容易讀取及維護。MSP (...)

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IDE、配置、編譯器或偵錯程式

CCSTUDIO — Code Composer Studio™ integrated development environment (IDE)

CCStudio™ IDE is part of TI's extensive CCStudio™ development ecosystem and is an integrated development environment for TI's microcontrollers, processors, wireless connectivity devices, and radar sensors. CCStudio IDE is available as desktop or cloud-based applications. The cloud version (...)

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IDE、配置、編譯器或偵錯程式

ENERGYTRACE — EnergyTrace 技術

EnergyTrace™ software for MSP430™ MCUs, MSP432™ MCUs, CC13xx wireless MCUs and CC26xx wireless MCUs is an energy-based code analysis tool that measures and displays the energy profile of an application and helps optimize it for ultra-low-power consumption.

As most developers know, it is difficult (...)

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IDE、配置、編譯器或偵錯程式

IAR-KICKSTART — IAR Embedded Workbench

IAR Embedded Workbench delivers a complete development toolchain for building and debugging embedded applications for your selected target microcontroller. The included IAR C/C++ Compiler generates highly optimized code for your application, and the C-SPY Debugger is a fully integrated debugger for (...)

從：IAR Systems
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線上培訓

MSP430-ACADEMY — MSP430™ academy

MSP430™ Academy delivers easy-to-use training modules that span a wide range of topics and LaunchPads in the MSP430 MCU portfolio.
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快速入門

TI-DEVELOPER-ZONE — Start embedded development on your desktop or in the cloud

From evaluation to deployment the TI Developer Zone provides a comprehensive range of software, tools and training to ensure that you have everything you need for each stage of the development process.
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作業系統 (OS)

WHIS-3P-SAFERTOS — WITTENSTEIN SAFERTOS 預先認證的安全 RTOS

SAFERTOS® 是專為嵌入式處理器設計的獨特即時作業系統。經 TÜV SÜD 預先認證，符合 IEC 61508 SIL3 與 ISO 26262 ASILD 標準。SAFERTOS® 是由 WHIS 專家團隊專為安全而打造，適用於全球重要安全應用。WHIS 與德州儀器的合作已經超過十年。在此期間，WHIS 已將 SAFERTOS® 移植至各種 TI 處理器，支援所有熱門核心，並可依要求提供其他架構。SAFERTOS® 專為您的特定處理器/編譯器組合量身打造，隨附完整的原始程式碼與設計保證包，可完全一目了然整個設計生命週期。許多 WHIS 客戶開始使用 FreeRTOS (...)

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應用軟體及架構

MSP430-IEC60730-SW-PACKAGE — IEC60730 Software Package

The IEC60730 MSP430 software package was developed to be useful in assisting customers in complying with IEC 60730-1:2010 (Automatic Electrical Controls for Household and Similar Use – Part 1: General Requirements) for up to Class B products, which includes home appliances, arc detectors, (...)

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程式碼範例或展示

SLAC375 — MSP430F543xA, MSP430F541xA Code Examples

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軟體程式設計工具

MSP-GANG-SOFTWARE — MSP-GANG Software

The MSP Gang Programmer (MSP-GANG) is a MSPM0/MSP430/MSP432 device programmer that can program up to eight identical devices at the same time.
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軟體程式設計工具

MSP430-FLASHER — Command Line Programmer for MSP430™ and SimpleLink™ MSP432™ MCUs

MSPFlasher 是開放原始碼、殼層式（命令行）介面，用於透過 JTAG 編程 MSP430™ 和 MSP432™ 微控制器 (MCU)，並提供最常見的編程功能。MSP Flasher 可用於將二進位檔案直接下載至記憶體，無需 CCS 或 IAR 等 IDE。它還可用於擷取韌體和永久鎖定 JTAG 存取。

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軟體程式設計工具

UNIFLASH — UniFlash for most TI microcontrollers (MCUs) and mmWave sensors

UniFlash 是 TI 龐大 CCStudio™ 開發生態系統的一部分，是一款用於在 TI 微控制器與無線連線裝置上對晶片內快閃記憶體進行燒錄，以及在 TI 處理器上對板載快閃記憶體進行燒錄的軟體工具。UniFlash 提供圖形化介面與命令行介面，並可在桌面上或雲端中執行。

UniFlash 可從 CCStudio™ 開發人員區上的雲端執行，或在下載後於 Windows®、Linux® 和 macOS® 電腦中使用。

請注意，mmWave、AMx、K2G 和 J7 裝置不支援 macOS。AMx、K2G 和 J7 裝置僅於命令列上支援。

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設計工具

MSP-3P-SEARCH — MSP 第三方搜尋工具

TI has partnered with multiple companies to offer a wide range of solutions and services for TI MSP devices. These companies can accelerate your path to production using MSP devices. Download this search tool to quickly browse third-party details and find the right third-party to meet your needs.

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參考設計

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TIDC-130 可讓資料收集器具備最佳韌體，以 868.95 MHz 頻率的頻繁傳輸 (T-) 和小型 (C-) 模式，接收無線 M-Bus (wM-Bus) 封包。為了擴大範圍，也支援自訂的直接序列展頻 (DSSS) 編碼封包接收。此參考設計可針對 169-MHz 和 433-MHz 頻帶的 wM-Bus 和 DSSS 資料收集器和行動讀取器進行調整。

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參考設計

TIDM-RF-SENSORNODE — 適用於 6LoWPAN 和 2.4 GHz 應用的射頻感測器節點開發平台

此 RF 感測器節點平台旨在作為適用於 6LoWPAN 與 2.4GHz 應用的微型開發平台。該平台具有三個板載感測器，包含一個 3 軸加速計、一個溫度感測器與兩個光感測器。RF 感測器節點平台可以是一個獨立的感測器節點，也可以與 PLC（電力線通訊）板或 RF 介面板配對，形成一個混合節點。此 RF 節點支援 2.4GHz RF 通訊協定，包含 6LoWPAN 或 ZigBee®。由於節點之間的連結可以是有線和/或無線，因此混合網路提供比傳統節點更好的可靠性與抗雜訊能力。

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
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NFBGA (ZCA) 113 Ultra Librarian
DIESALE (Y) — Ultra Librarian
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