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Texas Instruments MSP430F5254IRGCR
- Part No.:
- MSP430F5254IRGCR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
MSP430F5254IRGCR.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 64VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,362
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Product details
Overview
MSP430F5254IRGCR from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 32 KB flash, 8 KB RAM, a 12-bit ADC, two USCI modules (UART/SPI/I2C), and hardware multiplier. It operates at up to 25 MHz with supply voltage range 1.8–3.6 V and supports 15 low-power modes including LPM4.5 for battery-powered sensor nodes and portable instrumentation.
For engineers reviewing the MSP430F5254IRGCR datasheet, MSP430F5254IRGCR pinout, MSP430F5254IRGCR application, or MSP430F5254IRGCR equivalent, key selection considerations include integrated ADC resolution and sampling rate, USCI peripheral flexibility, RAM size for real-time buffering, and LPM3.5/LPM4.5 wake-up latency in energy-constrained deployments.
Technical Context
The MSP430F5254IRGCR implements the CPUX core with 27 addressing modes and extended instruction set, supporting both MSP430 and MSP430X binaries. Its Unified Clock System (UCS) integrates DCO, FLL, REFO, VLO, and XT1/XT2 oscillators with automatic frequency calibration and fail-safe clock switching.
Power management is handled by the PMM module with dual SVS/SVM monitors, VCORE regulation, and brownout reset. The device includes Memory Integrity Detection (MID) for flash parity checking and a dedicated RAM controller with retention control-critical for reliable operation in industrial monitoring and metering applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | CPUX 16-bit RISC core with 27 addressing modes and hardware multiplier |
| Flash / RAM | 32 KB flash memory with MID parity protection; 8 KB SRAM with retention control |
| ADC | 12-bit SAR ADC with 200 ksps max sample rate, internal reference, and 16-channel input mux |
| Clocks | DCO up to 25 MHz; FLL auto-calibration; REFO (32.768 kHz), VLO (10 kHz), XT1 (up to 50 kHz), XT2 (up to 32 MHz) |
| Peripherals | Two USCI modules (UART/SPI/I2C), DMA controller (4 channels), 32-bit timer (TA3), watchdog timer, RTC |
| Supply & Power | 1.8–3.6 V operation; LPM4.5 current ≤ 100 nA; VCORE regulation with SVM/SVS monitors |
| Package | 64-pin QFN (RGCR), 9 mm × 9 mm, 0.5 mm pitch, thermal pad |
Pinout & Package
Package: 64-pin QFN (RGCR), 9 mm × 9 mm body, 0.5 mm pitch, exposed thermal pad (pin 64 = VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0–P1.7 | General-purpose I/O with interrupt capability | Configurable as digital I/O or peripheral function (e.g., USCI_A0 RX/TX, TA0 clock input) |
| P2.0–P2.7 | General-purpose I/O with analog comparator inputs | Supports ADC12_A channel inputs and comparator A+/A−; some pins support USCI_B0 |
| P3.0–P3.7 | General-purpose I/O with timer and USCI functions | Includes TA0/TA1 capture/compare, USCI_A1/USCI_B1 signals, and RTC outputs |
| P4.0–P4.7 | General-purpose I/O with ADC12_A inputs | Directly mapped to ADC12_A channels A0–A7; also support comparator B inputs |
| P5.0–P5.7 | General-purpose I/O with crystal oscillator connections | XT1IN/XT1OUT on P5.0/P5.1; XT2IN/XT2OUT on P5.2/P5.3; remaining pins support USCI and timers |
| RST/NMI/SBWTDIO | Reset and JTAG debug interface | Active-low reset input; non-maskable interrupt source; bidirectional SWD/JTAG data I/O |
| SBWTCK | JTAG debug clock | Serial clock input for Spy-Bi-Wire (2-wire JTAG) programming and debugging |
| VCC / VSS | Power supply and ground terminals | Multiple VCC/VSS pairs distributed across package for noise reduction and thermal management |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power LPM4.5 mode | ≤100 nA retention current enables multi-year battery life in remote sensors without external wake-up circuitry |
| Integrated 12-bit ADC12_A | 200 ksps sampling with programmable reference, window comparator, and burst conversion for fast event detection |
| Dual USCI modules | Independent UART/SPI/I2C support per module enables concurrent serial communication (e.g., sensor bus + host interface) |
| Memory Integrity Detection (MID) | Hardware parity checking on flash reads prevents silent corruption in safety-critical firmware updates and logging |
| VCORE-regulated PMM | On-chip regulator maintains stable core voltage across supply variation, enabling consistent 25 MHz operation down to 1.8 V |
Applications
| Smart Utility Metering | Portable Medical Sensors |
|---|---|
|
Use Scenario: Battery-operated electricity/water/gas meters requiring decade-long field deployment with periodic RF transmission. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC, real-time clock, secure firmware updates, and low-duty-cycle wireless transceiver wake-up. Use Value: LPM4.5 current ≤100 nA extends primary battery life beyond 10 years; MID ensures integrity of billing-critical firmware and calibration data. |
Use Scenario: Wearable ECG or glucose monitors needing continuous analog sensing, local signal processing, and Bluetooth LE handoff. IC Role / Device Role / Timing Role: Signal acquisition hub performing ADC oversampling, digital filtering, and buffered packetization before wireless transmission. Use Value: 12-bit ADC12_A with 200 ksps and internal reference eliminates external precision references; 8 KB RAM enables real-time FIR filter coefficient storage and buffer staging. |
| Industrial Condition Monitoring | Wireless Sensor Network Node |
|
Use Scenario: Vibration/temperature/humidity node on rotating machinery with energy harvesting or coin-cell power. IC Role / Device Role / Timing Role: Autonomous edge processor executing FFT-based spectral analysis, threshold-triggered alerts, and timestamped event logging. Use Value: CPUX core with hardware multiplier accelerates fixed-point FFT; dual USCI modules allow simultaneous SPI sensor interface and UART debug/logging port. |
Use Scenario: Mesh-networked environmental sensor (CO₂, particulate, light) deployed in building automation with minimal maintenance. IC Role / Device Role / Timing Role: Low-power coordinator managing duty-cycled sensing, AES-128 encryption, and time-synchronized packet forwarding via sub-GHz radio. Use Value: VCORE regulation ensures deterministic 25 MHz execution during encryption bursts; RAMCTL retention control preserves session keys across LPM3.5 wake cycles. |
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 |
|---|---|---|---|
| MSP430F5252IRGCR | 16 KB flash, 4 KB RAM - half the memory capacity of MSP430F5254IRGCR | Suitable for simpler sensor nodes with smaller firmware footprint and no complex buffering requirements | Select when application code and data fit within 16 KB flash and 4 KB RAM; identical peripherals and power profile |
| MSP430F5259IRGCR | 64 KB flash, 16 KB RAM - double the memory of MSP430F5254IRGCR; same peripherals and package | Required for feature-rich firmware with OTA updates, larger crypto libraries, or extended data logging buffers | Choose when future scalability, firmware versioning, or extended runtime data history is needed without changing PCB layout |
Compared with MSP430F5254IRGCR, the F5252 offers reduced memory for cost-sensitive deployments, while the F5259 provides headroom for complex firmware evolution-all sharing identical pinout, timing, and peripheral configuration in the RGCR package.
Availability
MSP430F5254IRGCR is available at Aetrix Electronics and suitable for smart utility metering, portable medical sensors, and industrial condition monitoring requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for MSP430F5254IRGCR 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 50 years of innovation in low-power design.
The MSP430F5254IRGCR belongs to the MSP430x5xx ultra-low-power MCU family, engineered for energy-constrained applications where nanowatt-level sleep modes, integrated analog peripherals, and robust firmware integrity are mandatory.
FAQ
What is the maximum operating frequency of the MSP430F5254IRGCR?
The MSP430F5254IRGCR supports a maximum MCLK frequency of 25 MHz, enabled by its digitally controlled oscillator (DCO) with FLL-based calibration and VCORE regulation. This frequency is guaranteed across the full 1.8–3.6 V supply range and industrial temperature grade (–40°C to 85°C). The MSP430F5254IRGCR achieves this performance while maintaining ultra-low active-mode current consumption.
Does the MSP430F5254IRGCR include hardware cryptographic acceleration?
No, the MSP430F5254IRGCR does not integrate dedicated cryptographic hardware such as AES or SHA engines. Security functions must be implemented in software using its CPUX core and hardware multiplier. For applications requiring hardware-accelerated cryptography, TI's MSP432 or CC13xx families are recommended alternatives-not the MSP430F5254IRGCR.
What is the purpose of the Memory Integrity Detection (MID) feature in the MSP430F5254IRGCR?
The Memory Integrity Detection (MID) feature in the MSP430F5254IRGCR provides hardware-level parity checking on flash memory reads to detect single-bit errors during instruction fetch or data access. This prevents silent firmware corruption and supports safe field updates. MID is configurable via the MIDCTL register and generates an NMI on error-critical for reliability in the MSP430F5254IRGCR's target applications.
Can the MSP430F5254IRGCR operate from a single 1.8 V supply?
Yes, the MSP430F5254IRGCR is fully specified to operate across 1.8 V to 3.6 V. At 1.8 V, it supports up to 8 MHz MCLK in active mode and retains full functionality of all peripherals-including the 12-bit ADC12_A, USCI modules, and DMA-making it suitable for energy-harvesting and coin-cell systems where the MSP430F5254IRGCR delivers deterministic low-voltage operation.
How many USCI modules does the MSP430F5254IRGCR support, and what protocols do they implement?
The MSP430F5254IRGCR integrates two Universal Serial Communication Interfaces (USCI_A0 and USCI_A1), each configurable as UART, SPI, or I2C. USCI_A0 supports asynchronous UART with automatic baud-rate detection and synchronous SPI/I2C; USCI_A1 provides identical protocol flexibility. These independent modules enable concurrent serial interfaces-for example, UART to host and I2C to sensor-without resource contention in the MSP430F5254IRGCR.
MSP430F5254IRGCR 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, LINbus, SCI, 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:
- 32K 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:
MSP430F5254IRGCR FAQ
1.How can I place an order for MSP430F5254IRGCR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5254IRGCR 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 MSP430F5254IRGCR reliable?
The price and inventory of MSP430F5254IRGCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5254IRGCR is usually 5 days.
3.What payment methods are accepted for MSP430F5254IRGCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F5254IRGCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F5254IRGCR?
MSP430F5254IRGCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5254IRGCR 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 MSP430F5254IRGCR?
For technical support, including MSP430F5254IRGCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5254IRGCR requirements.
6.How does Aetrix verify that MSP430F5254IRGCR is sourced from the original manufacturer or authorized distributors?
All MSP430F5254IRGCR 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 MSP430F5254IRGCR meets industry standards.
7.What is the process for return or replacement of MSP430F5254IRGCR?
All MSP430F5254IRGCR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5254IRGCR, 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 MSP430F5254IRGCR part is unused and in its original packaging.
Return procedure for MSP430F5254IRGCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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