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Texas Instruments MSP430F5249IRGCT
- Part No.:
- MSP430F5249IRGCT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
MSP430F5249IRGCT.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 64VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:449
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Product details
Overview
MSP430F5249IRGCT from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 128 KB flash, 8 KB RAM, a 10-bit ADC with 12 channels (10 external + 2 internal), four 16-bit timers (TA0/TA1/TA2/TB0), two USCI modules supporting UART/IrDA/SPI/I²C, RTC, hardware multiplier, and DMA. It operates from 1.8 V to 3.6 V and targets battery-powered sensor nodes and data loggers requiring sub-2 µA standby current.
For engineers reviewing the MSP430F5249IRGCT datasheet, MSP430F5249IRGCT pinout, MSP430F5249IRGCT application, or MSP430F5249IRGCT equivalent, key selection criteria include its 64-pin VQFN package, 128 KB flash capacity, integrated 10-bit ADC with 200 ksps sampling rate, LPM3 current of 1.9 µA at 2.2 V, and dual-USCI support for concurrent serial protocols in compact embedded systems.
Technical Context
The MSP430F5249IRGCT implements a CPUXV2 16-bit RISC core with constant generators and unified clock system including FLL, VLO, REFO, XT1 (32 kHz), and XT2 (up to 32 MHz). Its power management integrates an on-chip LDO with programmable core voltage and brownout detection.
Peripherals are mapped via port multiplexing across 53 GPIOs, with Timer_A instances offering capture/compare/PWM functionality and Timer_B providing seven capture/compare shadow registers. The ADC10_A module supports internal reference, sample-and-hold, and up to 12 input channels with configurable conversion timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit CPUXV2 RISC with constant generators; enables high code efficiency and deterministic real-time execution. |
| Flash / RAM | 128 KB flash / 8 KB RAM; sufficient for complex sensor fusion algorithms and firmware updates in field-deployed devices. |
| ADC Resolution & Speed | 10-bit ADC with 200 ksps max sampling rate; supports precise analog signal acquisition from multiple sensors without external oversampling. |
| Low-Power Mode LPM3 | 1.9 µA at 2.2 V with RTC, watchdog, and full RAM retention; enables multi-year operation on coin-cell batteries. |
| Wake-up Time | 3.5 µs from LPM3 to active mode; ensures rapid response to external interrupts while maintaining energy efficiency. |
| USCI Interfaces | Two USCI modules: USCI_A0/A1 support UART/IrDA/SPI; USCI_B0/B1 support I²C/SPI; allows simultaneous wired communication with multiple peripherals. |
| Timer Resources | Four 16-bit timers: TA0 (5 CC), TA1 (3 CC), TA2 (3 CC), TB0 (7 CC shadow); provides ample PWM, capture, and timebase resources for motor control and signal processing. |
Pinout & Package
VQFN-64 (RGC) package, 9 mm × 9 mm body size with exposed thermal pad recommended to be connected to DVSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0CLK/ACLK | Port 1 bit 0 / Timer_A0 clock / Auxiliary clock | Configurable as GPIO, timer clock source, or low-frequency system clock input; supports flexible clock tree routing. |
| P5.4/XIN & P5.5/XOUT | Crystal oscillator input/output | Connects to 32-kHz watch crystal for RTC accuracy or external high-frequency crystal up to 32 MHz for system clock. |
| P6.0–P6.7/A0–A7/CB0–CB7 | Analog input / Comparator_B input | Eight-channel analog input bank with dedicated comparator inputs; enables simultaneous monitoring of multiple analog signals. |
| P3.0–P3.4 & P4.0–P4.5 | USCI_B0/USCI_B1 I²C/SPI pins | Dual I²C-capable interfaces allow connection to multiple sensors (e.g., temperature, humidity, pressure) on separate buses. |
| RST/NMI | Reset / Non-maskable interrupt | Hardware reset input and NMI source; critical for safe recovery from fault conditions or watchdog timeout. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated LDO regulator | On-chip low-dropout regulator enables single-supply operation and eliminates need for external voltage regulation in space-constrained designs. |
| Real-time clock with alarm | RTC_A module with calendar mode and alarm interrupt supports time-stamped data logging and scheduled wake-up without external components. |
| Hardware multiplier (MPY32) | 32-bit multiplication in one cycle accelerates digital filtering, FFT, and cryptographic operations in resource-limited firmware. |
| DMA controller (3-channel) | Offloads CPU during ADC conversions, UART transfers, and memory moves-reducing active-mode current and improving deterministic latency. |
| Supply voltage supervision | Brownout reset (BOR) and supply voltage supervisor (SVM/SVS) protect against erratic behavior during battery voltage sag or power transients. |
Applications
| Wireless Sensor Node | Industrial Data Logger |
|---|---|
Use Scenario: Battery-powered environmental monitor transmitting temperature, humidity, and CO₂ readings via BLE or Sub-GHz radio every 5 minutes. IC Role / Device Role / Timing Role: Central MCU managing sensor polling, ADC conversion, data preprocessing, RTC-based scheduling, and low-power radio interface control. Use Value: 1.9 µA LPM3 current extends 200 mAh coin-cell life beyond 3 years; 3.5 µs wake-up ensures timely response to sensor triggers without missing events. | Use Scenario: DIN-rail mounted device recording vibration, current, and temperature from factory equipment at 100 Hz for predictive maintenance analysis. IC Role / Device Role / Timing Role: Real-time data aggregator with timestamping, flash storage management, and RS-485 communication to PLC or gateway. Use Value: 128 KB flash stores >1 million samples locally; dual USCI modules enable concurrent RS-485 (USCI_B0) and SD card SPI (USCI_A0) access. |
| Portable Medical Monitor | Smart Utility Meter |
Use Scenario: Handheld pulse oximeter acquiring analog PPG and SpO₂ signals, performing real-time saturation calculation, and displaying results on OLED. IC Role / Device Role / Timing Role: Signal acquisition MCU with synchronized ADC sampling, digital filtering, and display interface timing control. Use Value: 10-bit ADC with internal reference and 200 ksps supports accurate DC-coupled photodiode signal digitization; hardware multiplier accelerates FIR filter execution. | Use Scenario: Electricity meter measuring voltage/current waveforms, computing RMS, harmonics, and billing parameters, with tamper detection and secure firmware updates. IC Role / Device Role / Timing Role: Metrology co-processor handling analog front-end interfacing, precision timing (RTC + 32 kHz crystal), and secure boot verification. Use Value: Dual crystal support (XT1 for RTC, XT2 for high-speed sampling) ensures metrological accuracy and time-of-use billing integrity; 8 KB RAM buffers waveform data for harmonic analysis. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F5247IRGCT | 64 KB flash (vs. 128 KB), identical RAM, ADC, timers, and USCI peripherals. | Suitable for firmware with smaller footprint; same pinout and power profile enables drop-in replacement where flash headroom is sufficient. | Select when application code size fits within 64 KB and cost optimization is prioritized without sacrificing peripheral set or low-power performance. |
| MSP430F5244IRGZT | 48-pin VQFN (RGZ), 128 KB flash, 8 KB RAM, but only 8 external ADC channels (vs. 10) and 37 GPIOs (vs. 53). | Targeted for space-constrained designs with reduced analog channel count and fewer I/O requirements. | Choose for compact PCB layouts where 48-pin footprint and lower I/O count are acceptable trade-offs for identical core and memory specs. |
Compared with MSP430F5247IRGCT and MSP430F5244IRGZT, the MSP430F5249IRGCT offers maximum flash capacity and analog input flexibility in the 64-pin RGC package-making it optimal for feature-rich, long-life sensor edge nodes requiring local data processing and storage.
Availability
MSP430F5249IRGCT is available at Aetrix Electronics and suitable for wireless sensor nodes, industrial data loggers, portable medical monitors, and smart utility meters requiring stable component supply, long-term lifecycle support, and verified ultra-low-power performance.
Supply support for MSP430F5249IRGCT 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 company delivering analog and embedded processing solutions for industrial, automotive, and consumer applications.
The MSP430F5249IRGCT belongs to TI's MSP430F5xx ultra-low-power MCU family, designed specifically for battery-operated measurement and sensing systems where extended runtime, precision analog integration, and robust real-time control are essential.
FAQ
What is the maximum system clock frequency supported by the MSP430F5249IRGCT?
The MSP430F5249IRGCT supports a maximum system clock frequency of 25 MHz. This is achieved using the integrated FLL with XT2 crystal oscillator (up to 32 MHz) or external clock source. The device's CPUXV2 core and peripherals are fully rated for operation at this speed, enabling high-throughput data processing while maintaining ultra-low-power characteristics in active mode.
Does the MSP430F5249IRGCT include an integrated DC-DC converter?
No, the MSP430F5249IRGCT does not include an integrated DC-DC converter. It features a fully integrated low-dropout (LDO) regulator that generates the regulated VCORE supply from DVCC. The LDO supports programmable core voltage levels and is optimized for ultra-low quiescent current, but it does not provide step-up or step-down switching conversion functionality.
How many external analog input channels does the ADC10_A module support on the MSP430F5249IRGCT?
The ADC10_A module on the MSP430F5249IRGCT supports 10 external analog input channels (A0–A9), accessible via P6.0–P6.7 and P5.0–P5.1. Two additional internal channels (VeREF+ and VeREF−) are also available, bringing the total to 12 configurable inputs. This matches the device comparison table and functional block diagram for the RGC/ZXH/ZQE package variants.
Is the MSP430F5249IRGCT pin-compatible with the MSP430F5247IRGCT?
Yes, the MSP430F5249IRGCT and MSP430F5247IRGCT share identical 64-pin VQFN (RGC) packaging, pinout, and peripheral mapping. They differ only in flash size (128 KB vs. 64 KB) and are documented as drop-in replacements in TI's device comparison guide-enabling seamless migration between variants without PCB redesign.
What debug interface does the MSP430F5249IRGCT support, and what pins are required?
The MSP430F5249IRGCT supports both JTAG and Spy-Bi-Wire (SBW) debug interfaces. For SBW-TI's 2-wire alternative-the required pins are TEST/SBWTCK (pin 59) and RSTDVCC/SBWTDIO (pin 64), along with DVCC and DVSS for power. This enables debugging and programming using minimal board footprint and standard TI development tools like MSP-FET and Code Composer Studio.
MSP430F5249IRGCT 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:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F5249IRGCT FAQ
1.How can I place an order for MSP430F5249IRGCT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5249IRGCT 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 MSP430F5249IRGCT reliable?
The price and inventory of MSP430F5249IRGCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5249IRGCT is usually 5 days.
3.What payment methods are accepted for MSP430F5249IRGCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F5249IRGCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F5249IRGCT?
MSP430F5249IRGCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5249IRGCT 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 MSP430F5249IRGCT?
For technical support, including MSP430F5249IRGCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5249IRGCT requirements.
6.How does Aetrix verify that MSP430F5249IRGCT is sourced from the original manufacturer or authorized distributors?
All MSP430F5249IRGCT 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 MSP430F5249IRGCT meets industry standards.
7.What is the process for return or replacement of MSP430F5249IRGCT?
All MSP430F5249IRGCT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5249IRGCT, 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 MSP430F5249IRGCT part is unused and in its original packaging.
Return procedure for MSP430F5249IRGCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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