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Texas Instruments MSP430FR5724IPW
- Part No.:
- MSP430FR5724IPW
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 28-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430FR5724IPW.pdf
- Description:
- IC MCU 16BIT 8KB FRAM 28TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,565
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Product details
Overview
MSP430FR5724IPW from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 8KB FRAM nonvolatile memory, 1KB RAM, and integrated peripherals including a 10-bit ADC (6 external + 2 internal channels), 10-channel analog comparator, three eUSCI modules (two UART/SPI-capable, one I²C/SPI-capable), five 16-bit timers, RTC, and hardware multiplier - deployed in battery-powered sensor management and data acquisition systems.
For engineers reviewing the MSP430FR5724IPW datasheet, MSP430FR5724IPW pinout, MSP430FR5724IPW application, or MSP430FR5724IPW equivalent, key selection criteria include FRAM endurance (10¹⁵ write cycles), LPM3.5 RTC current (1.5 µA), 28-pin TSSOP package footprint, and compatibility with TI's MSP-FET430U40A debug interface and Code Composer Studio IDE.
Technical Context
The MSP430FR5724IPW implements the MSP430 CPUXV2 core with 16-bit RISC architecture, operating up to 8 MHz across a 2 V–3.6 V supply range. Its power management system includes an integrated LDO, SVS with reset capability, and zero-power brownout detection - enabling robust operation in energy-constrained environments.
Peripherals are tightly coupled via a three-channel DMA controller and share clock domains (MCLK, SMCLK, ACLK) sourced from DCO, VLO, LFXT, or HFXT. The FRAM memory subsystem features built-in ECC, MPU protection, and unified program/data/storage addressing - eliminating separate flash/EEPROM partitions and enabling atomic writes without erase cycles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit MSP430 CPUXV2, up to 8-MHz operation - enables deterministic real-time control with low gate count and minimal power overhead. |
| Nonvolatile Memory | 8KB FRAM with 10¹⁵ write endurance and 125 ns/word write speed - supports frequent logging without wear leveling or block erase delays. |
| RAM | 1KB SRAM - sufficient for stack, heap, and real-time buffers in compact embedded firmware. |
| ADC | 10-bit SAR ADC with 6 external + 2 internal channels, 200 ksps at 100 µA - suitable for multi-sensor analog front-end sampling with low power budget. |
| Low-Power Modes | LPM3.5 (RTC active): 1.5 µA typical; LPM4.5 (shutdown): 0.32 µA - extends coin-cell battery life to years in periodic wake-up applications. |
| eUSCI Peripherals | eUSCI_A0/A1 (UART/IrDA/SPI), eUSCI_B0 (I²C/SPI) - provides dual serial interfaces for sensor fusion (I²C sensors) and host communication (UART telemetry). |
| Package | TSSOP-28 (PW), 9.7 mm × 4.4 mm - surface-mount compatible with standard PCB assembly and space-constrained industrial modules. |
Pinout & Package
Package: TSSOP-28 (PW), 9.7 mm × 4.4 mm body size, exposed thermal pad recommended to be connected to DVSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0.1/DMAE0/RTCCLK/A0*/CD0/VeREF- | Multi-function I/O | RTC calibration output, ADC channel A0 input, comparator CD0 input, and DMA trigger source - enables time-stamped sensor capture without CPU intervention. |
| P1.1/TA0.2/TA1CLK/CDOUT/A1*/CD1/VeREF+ | Multi-function I/O | ADC reference voltage input (VeREF+), comparator output (CDOUT), and timer clock source - supports precision ratiometric measurements and PWM synchronization. |
| P1.4/TB0.1/UCA0STE/A4*/CD4 | Multi-function I/O | Slave transmit enable for eUSCI_A0 SPI, ADC channel A4 input, comparator CD4 input - allows daisy-chained SPI peripheral control with analog monitoring on same pin. |
| P1.5/TB0.2/UCA0CLK/A5*/CD5 | Multi-function I/O | SPI clock (master/slave), ADC channel A5 input, comparator CD5 input - simplifies shared bus timing and sensor signal conditioning. |
| PJ.4/XIN & PJ.5/XOUT | Clock Input/Output | Connects to 32-kHz crystal for RTC accuracy or high-frequency crystal for system clock - enables ±20 ppm real-time timestamping and precise wake-up scheduling. |
| RST/NMI/SBWTDIO | Reset & Debug | Hardware reset, non-maskable interrupt, and Spy-Bi-Wire data I/O - supports in-system programming and debugging without JTAG header. |
| TEST/SBWTCK | Debug Clock | Spy-Bi-Wire clock input - enables single-wire debug interface with TI MSP-FET430U40A and MSP-TS430RHA40A target boards. |
| DVCC / DVSS / AVCC / AVSS | Power & Ground | Digital and analog supply/ground separation - reduces noise coupling between digital switching and sensitive analog conversions. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 8KB unified nonvolatile memory with 125 ns write speed and 10¹⁵ endurance - eliminates flash erase latency and enables true EEPROM-style byte-level updates in real time. |
| Ultra-Low-Power RTC | 1.5 µA in LPM3.5 with 32-kHz crystal - delivers calendar/timekeeping with sub-microamp quiescent current for decade-scale battery operation. |
| Integrated Power Management | On-chip LDO, SVS with reset, and zero-power brownout detection - ensures reliable startup and operation across wide temperature (-40°C to 85°C) and voltage (2 V–3.6 V) ranges. |
| Hardware Acceleration | 32-bit hardware multiplier and 16-bit CRC engine - accelerates cryptographic operations, checksum validation, and math-intensive sensor algorithms without CPU load. |
| Intelligent Peripherals | Three-channel DMA, five 16-bit timers with capture/compare, and programmable comparator hysteresis - enables autonomous sensor polling, pulse-width measurement, and analog threshold triggering. |
Applications
| Smart Meter Sensor Node | Industrial Wireless Sensor |
|---|---|
Use Scenario: Battery-powered electricity meter collecting voltage/current waveforms and temperature at 15-minute intervals. IC Role / Device Role / Timing Role: Main system controller executing metrology firmware, managing FRAM-based data logging, and waking from LPM4.5 every 15 minutes via RTC alarm. Use Value: 0.32 µA shutdown current and 8KB FRAM enable >10-year operation on CR2032, while atomic writes prevent data corruption during unexpected power loss. |
Use Scenario: Remote vibration/temperature node in factory machinery, transmitting alerts over UART to gateway when thresholds exceeded. IC Role / Device Role / Timing Role: Analog front-end processor acquiring ADC samples, running comparator-based edge detection, and driving UART telemetry only on event. Use Value: 10-channel comparator with programmable hysteresis and 6 external ADC inputs allow simultaneous multi-parameter monitoring without external signal conditioning ICs. |
| Home Automation Hub | Portable Data Logger |
Use Scenario: Zigbee/Z-Wave coordinator aggregating sensor data from door/window contacts, motion detectors, and ambient light sensors. IC Role / Device Role / Timing Role: Communication bridge with eUSCI_B0 handling I²C sensor reads and eUSCI_A0 managing UART-based radio module commands. Use Value: Dual eUSCI modules support concurrent I²C sensor polling and UART host interface - eliminating software bit-banging and reducing firmware complexity. |
Use Scenario: Handheld environmental logger recording temperature/humidity/pressure at user-defined intervals for field calibration reports. IC Role / Device Role / Timing Role: Standalone data acquisition unit using RTC calendar mode to timestamp each sample and store results in FRAM with built-in ECC. Use Value: Built-in ECC and MPU protect logged data integrity against radiation-induced bit flips and accidental overwrites - critical for audit-trail compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR5728PW | 16KB FRAM, 6 external ADC channels, 21 I/O pins - larger memory and identical package. | Preferred where extended firmware storage or larger data buffers are required without changing PCB layout. | Select when future firmware growth or extended logging duration justifies higher memory cost. |
| MSP430FR5722IPW | 4KB FRAM, 6 external ADC channels, 17 I/O pins - reduced memory, same package and peripheral set. | Suitable for cost-sensitive designs with minimal code footprint and basic sensor readout. | Choose for entry-level implementations where 4KB FRAM suffices and BOM cost reduction is prioritized. |
Compared with MSP430FR5724IPW, MSP430FR5728PW offers double FRAM capacity for firmware expansion or longer data retention, while MSP430FR5722IPW reduces memory and I/O count to lower unit cost - all share identical TSSOP-28 packaging, power profiles, and peripheral feature sets for seamless migration.
Availability
MSP430FR5724IPW is available at Aetrix Electronics and suitable for smart meter sensor nodes, industrial wireless sensors, home automation hubs, and portable data loggers requiring stable component supply, long-term lifecycle support, and consistent FRAM reliability.
Supply support for MSP430FR5724IPW includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions with focus on power efficiency, reliability, and system integration.
The MSP430FR57xx family was designed specifically for ultra-low-power sensing and system management in building automation, smart grid infrastructure, and industrial monitoring - leveraging FRAM to eliminate flash limitations in battery-operated endpoints.
FAQ
What is the maximum operating frequency of the MSP430FR5724IPW?
The MSP430FR5724IPW operates at up to 8 MHz using its factory-trimmed DCO oscillator or external crystals. This frequency is fully supported across the entire specified voltage range (2 V–3.6 V) and temperature range (–40°C to 85°C), enabling deterministic real-time execution for time-critical sensor sampling and control loops without performance derating.
Does the MSP430FR5724IPW support hardware UART bootloading?
Yes, the MSP430FR5724IPW includes a hardware UART bootloader (BSL) accessible via eUSCI_A0 or eUSCI_A1. It requires no external voltage supply and supports in-system programming through standard UART signals - enabling field firmware updates without dedicated debug hardware, provided the BSL memory segment remains unmodified in the application.
How many I/O pins does the MSP430FR5724IPW provide in the TSSOP-28 package?
The MSP430FR5724IPW in the TSSOP-28 (PW) package provides 17 general-purpose I/O pins, distributed across Ports P1, P2, and PJ. These include configurable digital I/O with interrupt and wake-up capability from all low-power modes, plus multiplexed functions for timers, ADC, comparators, and serial interfaces - matching the pin count specified in Table 3-1 of the SLASE35C datasheet.
What is the FRAM endurance rating for the MSP430FR5724IPW?
The MSP430FR5724IPW features 8KB of FRAM rated for 10¹⁵ write cycles per word - orders of magnitude higher than flash or EEPROM. This enables continuous data logging, configuration updates, or firmware patching without wear-out concerns, even in applications requiring writes every second over multi-year deployments.
Can the MSP430FR5724IPW operate from a single 3-V coin cell battery?
Yes, the MSP430FR5724IPW operates across 2 V–3.6 V, making it fully compatible with standard 3-V lithium coin cells (e.g., CR2032). Its LPM4.5 shutdown current of 0.32 µA and RTC-active LPM3.5 current of 1.5 µA allow multi-year operation on a single cell - validated under recommended operating conditions in Section 5.3 of the SLASE35C datasheet.
MSP430FR5724IPW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 28-TSSOP (0.173", 4.40mm Width)
- Series:
- MSP430™ FRAM
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 21
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 10x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR5724IPW FAQ
1.How can I place an order for MSP430FR5724IPW through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR5724IPW on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MSP430FR5724IPW reliable?
The price and inventory of MSP430FR5724IPW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR5724IPW is usually 5 days.
3.What payment methods are accepted for MSP430FR5724IPW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR5724IPW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR5724IPW?
MSP430FR5724IPW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR5724IPW order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MSP430FR5724IPW?
For technical support, including MSP430FR5724IPW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR5724IPW requirements.
6.How does Aetrix verify that MSP430FR5724IPW is sourced from the original manufacturer or authorized distributors?
All MSP430FR5724IPW products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MSP430FR5724IPW meets industry standards.
7.What is the process for return or replacement of MSP430FR5724IPW?
All MSP430FR5724IPW units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR5724IPW, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MSP430FR5724IPW part is unused and in its original packaging.
Return procedure for MSP430FR5724IPW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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