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MSP430F5521
25 MHz MCU with 32KB Flash, 6KB SRAM, 12-bit ADC, comparator, DMA, UART/SPI/I2C, USB, HW multiplier
MSP430F5521
Product details
- Low supply voltage range: 3.6 V down to 1.8 V
- Ultra-low power consumption
- Active mode (AM):
- All system clocks active:
- 290 µA/MHz at 8 MHz, 3.0 V, flash program execution (typical)
- 150 µA/MHz at 8 MHz, 3.0 V, RAM program execution (typical)
- All system clocks active:
- Standby mode (LPM3):
- Real-time clock (RTC) with crystal, watchdog, and supply supervisor operational, full RAM retention, fast wakeup:
- 1.9 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:
- 1.4 µA at 3.0 V (typical)
- Real-time clock (RTC) with crystal, watchdog, and supply supervisor operational, full RAM retention, fast wakeup:
- Off mode (LPM4):
- Full RAM retention, supply supervisor operational, fast wakeup:
- 1.1 µA at 3.0 V (typical)
- Full RAM retention, supply supervisor operational, fast wakeup:
- Shutdown mode (LPM4.5):
- 0.18 µA at 3.0 V (typical)
- Active mode (AM):
- 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 watch crystals (XT1)
- High-frequency crystals up to 32 MHz (XT2)
- 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 TA2, Timer_A with three capture/compare registers
- 16-bit timer TB0, Timer_B with seven capture/compare shadow registers
- Two universal serial communication interfaces (USCIs)
- USCI_A0 and USCI_A1 each support:
- Enhanced UART supports automatic baud-rate detection
- IrDA encoder and decoder
- Synchronous SPI
- USCI_B0 and USCI_B1 each support:
- I2C
- Synchronous SPI
- USCI_A0 and USCI_A1 each support:
- Full-speed universal serial bus (USB)
- Integrated USB-PHY
- Integrated 3.3-V and 1.8-V USB power system
- Integrated USB-PLL
- Eight input and eight output endpoints
- 12-bit analog-to-digital converter (ADC) (MSP430F552x only) with internal reference, sample-and-hold, and autoscan features
- Comparator
- Hardware multiplier supports 32-bit operations
- Serial onboard programming, no external programming voltage needed
- 3-channel internal DMA
- Basic timer with RTC feature
- Development tools and software (also see Tools and Software)
- LaunchPad™ development kit (MSP‑EXP430F5529LP)
- MSP430F5529 experimenter’s board (MSP‑EXP430F5529)
- 80-pin target development board (MSP‑TS430PN80USB)
- 64-pin target development board (MSP‑TS430RGC64USB)
- USB developers package (MSP430USBDEVPACK)
- MSP430Ware™ code examples
- 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:
- 290 µA/MHz at 8 MHz, 3.0 V, flash program execution (typical)
- 150 µA/MHz at 8 MHz, 3.0 V, RAM program execution (typical)
- All system clocks active:
- Standby mode (LPM3):
- Real-time clock (RTC) with crystal, watchdog, and supply supervisor operational, full RAM retention, fast wakeup:
- 1.9 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:
- 1.4 µA at 3.0 V (typical)
- Real-time clock (RTC) with crystal, watchdog, and supply supervisor operational, full RAM retention, fast wakeup:
- Off mode (LPM4):
- Full RAM retention, supply supervisor operational, fast wakeup:
- 1.1 µA at 3.0 V (typical)
- Full RAM retention, supply supervisor operational, fast wakeup:
- Shutdown mode (LPM4.5):
- 0.18 µA at 3.0 V (typical)
- Active mode (AM):
- 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 watch crystals (XT1)
- High-frequency crystals up to 32 MHz (XT2)
- 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 TA2, Timer_A with three capture/compare registers
- 16-bit timer TB0, Timer_B with seven capture/compare shadow registers
- Two universal serial communication interfaces (USCIs)
- USCI_A0 and USCI_A1 each support:
- Enhanced UART supports automatic baud-rate detection
- IrDA encoder and decoder
- Synchronous SPI
- USCI_B0 and USCI_B1 each support:
- I2C
- Synchronous SPI
- USCI_A0 and USCI_A1 each support:
- Full-speed universal serial bus (USB)
- Integrated USB-PHY
- Integrated 3.3-V and 1.8-V USB power system
- Integrated USB-PLL
- Eight input and eight output endpoints
- 12-bit analog-to-digital converter (ADC) (MSP430F552x only) with internal reference, sample-and-hold, and autoscan features
- Comparator
- Hardware multiplier supports 32-bit operations
- Serial onboard programming, no external programming voltage needed
- 3-channel internal DMA
- Basic timer with RTC feature
- Development tools and software (also see Tools and Software)
- LaunchPad™ development kit (MSP‑EXP430F5529LP)
- MSP430F5529 experimenter’s board (MSP‑EXP430F5529)
- 80-pin target development board (MSP‑TS430PN80USB)
- 64-pin target development board (MSP‑TS430RGC64USB)
- USB developers package (MSP430USBDEVPACK)
- MSP430Ware™ code examples
- Device Comparison summarizes the available family members
The Texas Instruments MSP430F55xx microcontrollers (MCUs) are part of the MSP430™ system control & communication family of ultra-low-power microcontrollers consists of several devices featuring peripheral sets targeted for a variety of applications. The architecture, combined with extensive low-power modes, is optimized to achieve extended battery life in portable measurement applications. The microcontroller 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 devices to wake up from low-power modes to active mode in 3.5 µs (typical).
The MSP430F5529, MSP430F5527, MSP430F5525, and MSP430F5521 microcontrollers have integrated USB and PHY supporting USB 2.0, four 16-bit timers, a high-performance 12-bit analog-to-digital converter (ADC), two USCIs, a hardware multiplier, DMA, an RTC module with alarm capabilities, and 63 I/O pins. The MSP430F5528, MSP430F5526, MSP430F5524, and MSP430F5522 microcontrollers include all of these peripherals but have 47 I/O pins.
The MSP430F5519, MSP430F5517, and MSP430F5515 microcontrollers have integrated USB and PHY supporting USB 2.0, four 16-bit timers, two USCIs, a hardware multiplier, DMA, an RTC module with alarm capabilities, and 63 I/O pins. The MSP430F5514 and MSP430FF5513 microcontrollers include all of these peripherals but have 47 I/O pins.
Typical applications include analog and digital sensor systems, data loggers, and others that require connectivity to various USB hosts.
The MSP430F55xx MCUs are supported by an extensive hardware and software ecosystem with reference designs and code examples to get your design started quickly. Development kits include theMSP430F5529 USB LaunchPad™ development kit and theMSP430F5529 experimenter’s board as well as theMSP-TS430PN80USB 80-pin target development board and theMSP-TS430RGC64USB 64-pin target development board. TI also provides free MSP430Ware™ software, which is available as a component of Code Composer Studio™ IDE desktop and cloud versions withinTI Resource Explorer. The MSP430 MCUs are also supported by extensive online collateral, training, and online support through the TI E2E™ support forum.
For complete module descriptions, see theMSP430F5xx and MSP430F6xx Family Users Guide.
The Texas Instruments MSP430F55xx microcontrollers (MCUs) are part of the MSP430™ system control & communication family of ultra-low-power microcontrollers consists of several devices featuring peripheral sets targeted for a variety of applications. The architecture, combined with extensive low-power modes, is optimized to achieve extended battery life in portable measurement applications. The microcontroller 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 devices to wake up from low-power modes to active mode in 3.5 µs (typical).
The MSP430F5529, MSP430F5527, MSP430F5525, and MSP430F5521 microcontrollers have integrated USB and PHY supporting USB 2.0, four 16-bit timers, a high-performance 12-bit analog-to-digital converter (ADC), two USCIs, a hardware multiplier, DMA, an RTC module with alarm capabilities, and 63 I/O pins. The MSP430F5528, MSP430F5526, MSP430F5524, and MSP430F5522 microcontrollers include all of these peripherals but have 47 I/O pins.
The MSP430F5519, MSP430F5517, and MSP430F5515 microcontrollers have integrated USB and PHY supporting USB 2.0, four 16-bit timers, two USCIs, a hardware multiplier, DMA, an RTC module with alarm capabilities, and 63 I/O pins. The MSP430F5514 and MSP430FF5513 microcontrollers include all of these peripherals but have 47 I/O pins.
Typical applications include analog and digital sensor systems, data loggers, and others that require connectivity to various USB hosts.
The MSP430F55xx MCUs are supported by an extensive hardware and software ecosystem with reference designs and code examples to get your design started quickly. Development kits include theMSP430F5529 USB LaunchPad™ development kit and theMSP430F5529 experimenter’s board as well as theMSP-TS430PN80USB 80-pin target development board and theMSP-TS430RGC64USB 64-pin target development board. TI also provides free MSP430Ware™ software, which is available as a component of Code Composer Studio™ IDE desktop and cloud versions withinTI Resource Explorer. The MSP430 MCUs are also supported by extensive online collateral, training, and online support through the TI E2E™ support forum.
For complete module descriptions, see theMSP430F5xx and MSP430F6xx Family Users Guide.
Technical documentation
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
MSP-TS430PN80USB — MSP-TS430PN80USB - 80-pin Target Development Board for MSP430F5x MCUs
The MSP-TS430PN80USB is a standalone 80-pin ZIF socket target board used to program and debug the MSP MCU in-system through the JTAG interface or the Spy Bi-Wire (2-wire JTAG) protocol.
Device Support: The MSP-TS430PN80USB development kit supports MSP430F551x and MSP430F552x MCUs in an 80-pin LQFP (...)
MSP-FET — MSP MCU Programmer and Debugger
The MSP-FET is a powerful emulation development tool – often called a debug probe – which allows users to quickly begin development on MSP low-power microcontrollers (MCU).
It supports programming and real-time debugging over both JTAG and SBW interfaces. Furthermore, the MSP-FET also provides a (...)
MSP-GANG — MSP-GANG production programmer
The MSP Gang Programmer (MSP-GANG) is a MSPM0/MSP430™/MSP432™ device programmer that can program up to eight identical MSPM0/MSP430/MSP432 Flash or FRAM devices at the same time. It connects to a host PC using a standard RS-232 or USB connection and provides flexible (...)
MSP430-SDK—MSP430-SDK for MSP430 Microcontrollers
MSP430-SDK is a collection of resources that help users to write effective code for MSP430 microcontrollers (MCUs). These resources support ALL MSP430 microcontrollers. As one user mentioned, “It’s essentially everything developers need to become MSP430 microcontroller experts!”
This collection of (...)
Supported products & hardware
Products
MSP430 microcontrollers
Other interfaces
Sub-1 GHz wireless MCUs
Other wireless products
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, (...)
Supported products & hardware
Products
MSP430 microcontrollers
Hardware development
Development kit
MSP430USBDEVPACK—MSP430 USB Developers Package
The USB Developers Package for MSP430 is a software package containing all necessary source code and sample applications required for developing a USB-based MSP430 project. The package only supports MSP430 USB devices.
Note: This software is available as part ofMSPWare. If you have downloaded and (...)
Supported products & hardware
Products
MSP430 microcontrollers
Hardware development
Development kit
SLAC300—MSP430F552x C Examples (IAR and CCSv4)
Supported products & hardware
Products
MSP430 microcontrollers
Hardware development
Development kit
MSP-DSPLIB—Digital Signal Processing (DSP) Library for MSP Microcontrollers
The TI MSP430™ Digital Signal Processing library is a set of optimized functions to perform common signal processing operations for MSP430 microcontrollers. These functions are used in applications where processing-intensive transforms are done in real-time for minimal energy and with very (...)
Supported products & hardware
Products
MSP430 microcontrollers
Other interfaces
MSPMATHLIB — Floating Point Math Library for MSP430
TI-DEVELOPER-ZONE—Start embedded development on your desktop or in the cloud
Supported products & hardware
Products
Arm Cortex-M0+ MCUs
MSP430 microcontrollers
Arm Cortex-R MCUs
Arm-based processors
C2000 real-time microcontrollers
Digital signal processors (DSPs)
Sub-1 GHz wireless MCUs
Low-power 2.4-GHz products
Automotive wireless connectivity products
Automotive mmWave radar sensors
Industrial mmWave radar sensors
Hardware development
Daughter card
CCSTUDIO—Code Composer Studio™ integrated development environment (IDE)
Code Composer Studio is an integrated development environment (IDE) for TI's microcontrollers and processors. It is comprised of a rich suite of tools used to build, debug, analyze and optimize embedded applications. Code Composer Studio is available across Windows®, Linux® and macOS® platforms.
(...)
Supported products & hardware
This design resource supports most products in these categories.
Check the product details page to verify support.
parametric-filter Digital signal processors (DSPs)parametric-filter Arm-based processorsparametric-filter MSP430 microcontrollersparametric-filter C2000 real-time microcontrollersparametric-filter Arm-based microcontrollersparametric-filter Signal conditionersparametric-filter mmWave radar sensorsparametric-filter Wi-Fi productsparametric-filter Sub-1 GHz productsparametric-filter Digital power isolated controllers
ENERGIA — Energia
ENERGYTRACE — EnergyTrace Technology
As most developers know, it is difficult (...)
IAR-KICKSTART — IAR Embedded Workbench
MSP430-ACADEMY—MSP430™ academy
Supported products & hardware
Products
MSP430 microcontrollers
Hardware development
Evaluation board
Development kit
MSP-GANG-SOFTWARE—MSP-GANG Software
Supported products & hardware
Products
Arm Cortex-M0+ MCUs
MSP430 microcontrollers
Hardware development
Evaluation board
Development kit
MSP430-FLASHER—Command Line Programmer for MSP430™ and SimpleLink™ MSP432™ MCUs
MSPFlasher is an open-source, shell-based (command line) interface for programming MSP430™ and MSP432™ microcontrollers (MCUs) through JTAG and provides the most common programming functions. MSP Flasher can be used to download binary files directly to memory without the need of an IDE (...)
Supported products & hardware
Products
MSP430 microcontrollers
Other interfaces
UNIFLASH—UniFlash for most TI microcontrollers (MCUs) and mmWave sensors
UniFlash is a software tool for programming on-chip flash on TI microcontrollers and wireless connectivity devices and on-board flash for TI processors. UniFlash provides both graphical and command-line interfaces.
UniFlash can be run from the cloud on theTI Developer Zone or downloaded and used (...)
Supported products & hardware
Products
C2000 real-time microcontrollers
Arm-based processors
Industrial mmWave radar sensors
Automotive mmWave radar sensors
MSP430 microcontrollers
Wi-Fi products
Arm Cortex-M4 MCUs
Arm Cortex-M0+ MCUs
Arm Cortex-R MCUs
Low-power 2.4-GHz products
Automotive wireless connectivity products
Sub-1 GHz wireless MCUs
MSP430 schematic symbols and footprints library for use with the Eagle CAD tool (Rev. E)
MSP-3P-SEARCH — MSP Third party search tool
(...)
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
LQFP (PN) | 80 | Ultra Librarian |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
- Fab location
- Assembly location
Support & training
TI E2E™ forums with technical support from TI engineers
Content is provided "as is" by TI and community contributors and does not constitute TI specifications. Seeterms of use.
If you have questions about quality, packaging or ordering TI products, seeTI support.