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Texas Instruments MSP430F5239IRGCT
- Part No.:
- MSP430F5239IRGCT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
MSP430F5239IRGCT.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 64VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,079
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Product details
Overview
MSP430F5239IRGCT from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller in a 64-pin VQFN package, featuring 128 KB flash, 8 KB RAM, four 16-bit timers (TA0/TA1/TA2/TB0), two USCI modules (UART/IrDA/SPI/I²C), RTC, hardware multiplier, DMA, and comparator-but no integrated ADC. It targets battery-powered sensor nodes and data loggers requiring sub-2 µA standby current and 3.5 µs wake-up.
For engineers reviewing the MSP430F5239IRGCT datasheet, MSP430F5239IRGCT pinout, MSP430F5239IRGCT application, or MSP430F5239IRGCT equivalent, key selection criteria include its ADC-less configuration versus F524x variants, 64-pin RGC package compatibility, LPM3/LPM4 current specs, RTC alarm capability, and dual-USCI serial interface flexibility for industrial sensing and metering systems.
Technical Context
The MSP430F5239IRGCT implements a unified clock system with FLL stabilization, programmable LDO core regulation, and multiple low-frequency sources (VLO, REFO, XT1, XT2). Its power management supports five low-power modes (LPM0–LPM4.5), with LPM3 delivering 1.9 µA at 2.2 V using RTC + crystal and full RAM retention.
Peripherals are mapped via port multiplexing across 53 GPIOs, including timer capture/compare pins, USCI signal lines (UCA0/UCA1/UCB0/UCB1), RTCCLK input, and comparator inputs (CB0–CB7). The absence of ADC10_A distinguishes it functionally from the F524x series while retaining identical timer, USCI, DMA, and RTC capabilities.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2 with constant generators; enables compact, high-efficiency C code execution for embedded control. |
| Flash / RAM | 128 KB flash / 8 KB RAM; sufficient for complex firmware with bootloader, real-time logging, and communication stacks. |
| Low-Power Standby (LPM3) | 1.9 µA at 2.2 V with RTC + crystal active; enables multi-year battery life in periodic-sensing applications. |
| Wake-up Time | 3.5 µs from LPM3 to active mode; ensures rapid response to external interrupts without sacrificing energy efficiency. |
| Timers | TA0 (5 CC), TA1 (3 CC), TA2 (3 CC), TB0 (7 CC); supports PWM generation, input capture, quadrature decoding, and RTC synchronization. |
| USCI Interfaces | 2 × USCI modules: USCI_A0/A1 support UART/IrDA/SPI; USCI_B0/B1 support I²C/SPI; enables dual-protocol sensor hub or master-slave bridging. |
| Operating Voltage | 1.8 V to 3.6 V; compatible with single-cell Li-ion, Li-SOCl₂, or 2×AA alkaline battery systems without external regulators. |
| Package | VQFN-64 (9 mm × 9 mm, RGC); surface-mount footprint with exposed thermal pad for thermal reliability in sealed enclosures. |
Pinout & Package
VQFN-64 (RGC) package with 9 mm × 9 mm body size and exposed thermal pad (recommended to connect to DVSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0CLK/ACLK | Timer A0 clock / Auxiliary clock input | Configurable as low-frequency ACLK source or timer clock; supports crystal or internal oscillator input. |
| P2.6/RTCCLK/DMAE0 | Real-time clock input / DMA trigger | Accepts 32.768 kHz crystal signal for RTC operation; also serves as DMA event source for autonomous data transfers. |
| P3.0–P3.4 / UCB0SIMO–UCA0SOMI | USCI_B0 and USCI_A0 serial I/O | Supports simultaneous I²C slave (UCB0) and UART (UCA0) communication on shared pins with software-controlled muxing. |
| P4.0–P4.5 / PM_UCA1/UCB1 | Secondary USCI peripheral mapping | Enables second UART/I²C channel for dual-interface systems-e.g., local RS-485 + remote BLE bridge. |
| RST/NMI | Reset and non-maskable interrupt | Hardware reset input with NMI capability; used for brownout recovery, watchdog timeout, or critical fault handling. |
| TEST/SBWTCK & PJ.x | Spy-Bi-Wire debug interface | 4-pin SWD-compatible debug port enabling in-circuit programming and real-time debugging without JTAG header. |
Key Features
| Feature | Design Value |
|---|---|
| Fully integrated LDO | Programmable core voltage (VCORE) reduces external component count and improves supply noise immunity. |
| Three-channel DMA | Enables zero-CPU-overhead transfers between peripherals (e.g., USCI → RAM, timer → memory) for deterministic real-time operation. |
| RTC with alarm | Hardware real-time clock with configurable alarm interrupt allows precise wake-up scheduling without CPU polling. |
| Comparator_B (8 channels) | High-speed analog threshold detection with internal reference; replaces external comparators in battery monitoring or sensor trip-point logic. |
| Flexible clock system | Four independent clock sources (DCO, VLO, REFO, XT1/XT2) with automatic FLL lock enable robust timing under varying temperature/voltage. |
| Low-power oscillator (VLO) | 10 kHz internal RC oscillator active in LPM3/LPM4; provides wake-up timing when crystal is disabled to minimize leakage. |
Applications
| Smart Utility Metering | Wireless Sensor Node |
|---|---|
Use Scenario: Battery-powered gas/water meter with pulse counting, valve control, and RF telemetry. IC Role / Device Role / Timing Role: Main controller managing metrology counters, RTC-based reporting intervals, and SPI-connected sub-GHz transceiver. Use Value: 1.9 µA LPM3 current extends 10+ year battery life; dual USCI supports concurrent UART (transceiver) and I²C (sensor bus). |
Use Scenario: Remote environmental monitor measuring temperature/humidity/pressure with scheduled uploads. IC Role / Device Role / Timing Role: Central MCU coordinating sensor reads, RTC-triggered wake-up, and low-power UART transmission to gateway. Use Value: 3.5 µs wake-up minimizes active time; comparator_B replaces external voltage supervisors for battery health monitoring. |
| Industrial Data Logger | Portable Medical Device |
Use Scenario: Handheld diagnostic tool capturing analog waveforms and storing timestamps in flash. IC Role / Device Role / Timing Role: Host processor executing logging firmware, managing DMA-accelerated data acquisition, and maintaining RTC-synchronized logs. Use Value: 128 KB flash stores >100k timestamped samples; hardware multiplier accelerates CRC and filtering algorithms. |
Use Scenario: Wearable ECG patch with motion-triggered recording and Bluetooth LE handoff. IC Role / Device Role / Timing Role: Low-power controller sampling analog front-end, detecting activity via comparator_B, and waking BLE module on event. Use Value: No ADC eliminates conversion noise in sensitive analog path; LPM4.5 (0.18 µA) enables multi-week standby between uses. |
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 |
|---|---|---|---|
| MSP430F5249IRGCT | Includes 10-bit ADC with 10 external channels; same flash/RAM/timers/USCI but adds analog front-end. | Required where direct sensor voltage digitization is needed (e.g., thermistor, potentiometer, battery voltage). | Select if ADC functionality is essential; otherwise, MSP430F5239IRGCT offers lower cost and reduced analog design complexity. |
| MSP430F5237IRGCT | Identical peripheral set and package, but with 64 KB flash instead of 128 KB; same LPM currents and pinout. | Suitable for simpler firmware with smaller code footprint (e.g., basic telemetry, fixed-function controllers). | Choose for cost-sensitive designs where firmware fits in 64 KB; retains full compatibility for future upgrades to 128 KB variant. |
Compared with MSP430F5249IRGCT, the MSP430F5239IRGCT removes ADC overhead for cleaner analog signal paths and lower BOM cost, while compared with MSP430F5237IRGCT it delivers double flash capacity for feature-rich firmware-making it optimal for scalable, ADC-free embedded systems.
Availability
MSP430F5239IRGCT is available at Aetrix Electronics and suitable for smart utility metering, wireless sensor networks, industrial data loggers, and portable medical devices requiring stable component supply across long-lifecycle deployments.
Supply support for MSP430F5239IRGCT 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 specializing in analog, embedded processing, and connectivity technologies with over 90 years of innovation in industrial, automotive, and consumer electronics.
The MSP430F5239IRGCT belongs to TI's ultra-low-power mixed-signal MCU family, designed specifically for extended-battery-life applications in sensing, metering, and portable instrumentation where energy efficiency and peripheral integration are critical.
FAQ
What is the maximum system clock frequency supported by the MSP430F5239IRGCT?
The MSP430F5239IRGCT supports up to 25 MHz system clock frequency using the FLL-stabilized DCO or external high-frequency crystals (XT2) up to 32 MHz. This enables high-speed computation for real-time control loops while maintaining ultra-low power in active mode (290 µA/MHz at 8 MHz, 3.0 V).
Does the MSP430F5239IRGCT include an analog-to-digital converter (ADC)?
No, the MSP430F5239IRGCT does not include an ADC. It is part of the F523x series, which omits the ADC10_A module present in the F524x series. This makes the MSP430F5239IRGCT ideal for applications relying on external ADCs or purely digital sensor interfaces like I²C temperature sensors.
What package type and pin count does the MSP430F5239IRGCT use?
The MSP430F5239IRGCT uses a 64-pin VQFN package (RGC variant) with 9 mm × 9 mm body size and an exposed thermal pad. This package is pin-compatible with other RGC-packaged members of the F523x/F524x family, enabling layout reuse across variants.
How does the MSP430F5239IRGCT achieve ultra-low power consumption in standby mode?
The MSP430F5239IRGCT achieves 1.9 µA standby (LPM3) by keeping only the RTC, watchdog, and supply supervisor active with full RAM retention, using a 32.768 kHz watch crystal. Its integrated LDO and low-leakage process technology minimize quiescent current without compromising wake-up speed (3.5 µs typical).
Can the MSP430F5239IRGCT support both UART and I²C communication simultaneously?
Yes, the MSP430F5239IRGCT supports concurrent UART and I²C communication using its two USCI modules: USCI_A0/A1 handle UART/IrDA/SPI, while USCI_B0/B1 handle I²C/SPI. Pin multiplexing allows dedicated signal routing-for example, UCA0 for UART to a transceiver and UCB0 for I²C to local sensors.
MSP430F5239IRGCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-VFQFN Exposed Pad
- Series:
- MSP430F5xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- I2C, IrDA, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 53
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F5239IRGCT FAQ
1.How can I place an order for MSP430F5239IRGCT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5239IRGCT 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 MSP430F5239IRGCT reliable?
The price and inventory of MSP430F5239IRGCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5239IRGCT is usually 5 days.
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MSP430F5239IRGCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5239IRGCT 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 MSP430F5239IRGCT?
For technical support, including MSP430F5239IRGCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5239IRGCT requirements.
6.How does Aetrix verify that MSP430F5239IRGCT is sourced from the original manufacturer or authorized distributors?
All MSP430F5239IRGCT 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 MSP430F5239IRGCT meets industry standards.
7.What is the process for return or replacement of MSP430F5239IRGCT?
All MSP430F5239IRGCT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5239IRGCT, 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 MSP430F5239IRGCT part is unused and in its original packaging.
Return procedure for MSP430F5239IRGCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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