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Texas Instruments MSP430FR69271IRGCT
- Part No.:
- MSP430FR69271IRGCT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
MSP430FR69271IRGCT.pdf
- Description:
- IC MCU 16BIT 64KB FRAM 64VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,240
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Product details
Overview
MSP430FR69271IRGCT from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller with 64KB nonvolatile memory, 2KB RAM, integrated 12-bit ADC (8 external inputs), LCD driver (116 segments, 4-mux), and real-time clock. It operates from 1.8 V to 3.6 V and targets battery-powered metering applications requiring long-term data retention and low active/standby current.
For engineers reviewing the MSP430FR69271IRGCT datasheet, MSP430FR69271IRGCT pinout, MSP430FR69271IRGCT application, or MSP430FR69271IRGCT equivalent, key selection criteria include FRAM endurance (10¹⁵ write cycles), LPM3.5 RTC current (0.35 µA), I²C bootloader support, VQFN-64 package footprint, and capacitive touch I/O capability on all ports P1–P10 and PJ.
Technical Context
The MSP430FR69271IRGCT implements the MSP430 CPUXV2 core with 16 general-purpose registers and executes instructions at up to 16 MHz. Its clock system includes a factory-trimmed DCO, low-frequency VLO, and 32-kHz LFXT crystal oscillator-HFXT is not implemented per device family specification.
Peripherals include two eUSCI_A modules (UART/IrDA/SPI), two eUSCI_B modules (I²C/SPI), three 16-bit Timer_A instances (with 2–5 capture/compare registers), one 16-bit Timer_B (7 registers), 32-bit hardware CRC, AES256 encryption coprocessor, and an LCD_C module supporting static and 2–4 multiplexed displays.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2, up to 16-MHz operation |
| FRAM Capacity | 64 KB unified nonvolatile memory with 10¹⁵ write endurance |
| RAM Size | 2 KB SRAM for volatile data and stack operations |
| ADC Resolution | 12-bit SAR ADC with internal reference and 8 external input channels |
| LCD Driver | Integrated LCD_C supporting up to 116 segments in 4-mux configuration |
| Low-Power Mode LPM3.5 | 0.35 µA typical current with RTC active and VLO running |
| Bootloader Interface | Hardware I²C BSL (not UART) enabled via P1.6/BSLSDA and P1.7/BSLSCL |
Pinout & Package
VQFN-64 (RGC) package, 9 mm × 9 mm body, 0.5 mm pitch, exposed thermal pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0–P1.7 | General-purpose I/O with capacitive touch | Supports touch sensing without external components; also serve as TA0/TA1 timer I/O, UCB0/UCB1 I²C/SPI, and ADC analog inputs |
| P2.0–P2.7 | General-purpose I/O with capacitive touch | Include UCA0 UART/SPI signals and TB0 timer outputs for LCD COM lines (COM0–COM7) |
| P3.0–P3.7 | General-purpose I/O with capacitive touch | Host UCB1 I²C/SPI, UCA1 UART/SPI, and TA1 timer functions |
| P4.0–P4.7 | General-purpose I/O with capacitive touch | Support UCB1 I²C/SPI, UCA0 UART/SPI, and TA1 timer I/O |
| P5.0–P5.7 | General-purpose I/O with capacitive touch | Provide TA1 timer outputs, UCA1 UART/SPI, and segment drive capability |
| P6.0–P6.7 | General-purpose I/O with LCD bias | Deliver LCD voltage taps (V1–V5), COM outputs (COM0–COM3), and comparator output (COUT) |
| P7.0–P7.7 | General-purpose I/O with capacitive touch | Support TA0 timer functions and segment drive |
| P8.0–P8.7 | General-purpose I/O with capacitive touch | Include RTCCLK, DMAE0, MCLK, SMCLK, and ADC analog inputs A0–A7 |
| P9.0–P9.7 | General-purpose I/O with capacitive touch | Provide ADC analog inputs A8–A15 and segment drive |
| P10.0–P10.2 | General-purpose I/O with capacitive touch | Support SMCLK, TA1 timer, and segment drive |
| PJ.0–PJ.5 | JTAG/SBW and LFXT interface | Support Spy-Bi-Wire debug (PJ.0–PJ.3), LFXIN/LFXOUT (PJ.4–PJ.5); HFXIN/HFXOUT not implemented |
| DVCC1–DVCC4 / DVSS1–DVSS4 | Power supply pins | Four independent digital supply/ground pairs for noise isolation and layout flexibility |
| AVCC1 / AVSS1–AVSS3 | Analog power supply pins | Dedicated analog supply and ground connections for ADC and LCD reference stability |
| RST/NMI/SBWTDIO | Reset and debug I/O | Active-low reset, non-maskable interrupt, and bidirectional Spy-Bi-Wire data line |
| TEST/SBWTCK | Debug clock | Spy-Bi-Wire test clock input for programming and debugging |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 64KB unified memory enabling instant writes, 125 ns/word speed, and elimination of flash erase delays |
| Ultra-Low-Power Operation | 0.35 µA RTC mode (LPM3.5) and 0.02 µA shutdown (LPM4.5) extend battery life in metering applications |
| Integrated LCD Driver | Drives up to 116 segments with programmable contrast and 2–4 multiplexing-no external bias generator required |
| Capacitive Touch Support | All port pins (P1–P10, PJ) support CTSIO without external components, reducing BOM and PCB area |
| Hardware Security | AES256 encryption/decryption coprocessor accelerates secure firmware updates and data protection |
| I²C Bootloader (BSL) | Dedicated hardware I²C BSL on P1.6/BSLSDA and P1.7/BSLSCL enables field firmware updates without UART interface |
Applications
| Water Metering | Heat Cost Allocation |
|---|---|
Use Scenario: Battery-powered ultrasonic or mechanical water meters logging flow, temperature, and pressure at hourly intervals over 10+ years. IC Role / Device Role / Timing Role: Primary controller managing sensor acquisition, FRAM-based data logging, RTC-timestamped storage, and LCD display. Use Value: 10¹⁵ FRAM write cycles ensure reliable daily logging for >27,000 years; 0.35 µA LPM3.5 current enables 10-year battery life with coin cell. | Use Scenario: Wall-mounted heat cost allocators measuring radiator surface temperature and time-of-use in residential heating systems. IC Role / Device Role / Timing Role: Real-time data collector with calendar-aware RTC, local LCD display, and tamper-resistant FRAM storage. Use Value: Integrated LCD_C drives 116-segment display directly; AES256 secures billing data against unauthorized access or modification. |
| Portable Medical Logging | Data Acquisition Node |
Use Scenario: Handheld glucose or blood pressure monitors capturing readings, user annotations, and timestamps for clinical review. IC Role / Device Role / Timing Role: Sensor interface MCU with ADC, RTC, FRAM storage, and capacitive-touch UI buttons. Use Value: Capacitive touch I/O on all ports eliminates mechanical switches; FRAM enables instant save-on-button-press without delay or wear-out. | Use Scenario: Industrial environmental sensor node measuring temperature, humidity, and CO₂, transmitting logs via UART/I²C to gateway every 15 minutes. IC Role / Device Role / Timing Role: Autonomous data logger with dual eUSCI interfaces, low-power timers, and FRAM buffer for burst capture. Use Value: Two independent eUSCI_B modules support simultaneous I²C sensor reads and UART gateway communication without software arbitration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power FRAM microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR6927IRGC | Same FRAM/RAM, identical peripherals and pinout-but lacks I²C bootloader; uses UART BSL instead | Requires UART interface for firmware updates; unsuitable where I²C is sole available bus | Select MSP430FR6927IRGC only if UART programming path is available and I²C BSL is unnecessary |
| MSP430FR6928IPM | 96KB FRAM, same 2KB RAM, identical peripheral set, but in 64-pin LQFP (PM) package-not pin-compatible with RGC | Higher memory capacity supports larger firmware or extended logging; requires PCB redesign due to different footprint | Choose MSP430FR6928IPM when additional FRAM is needed and board layout allows LQFP-64 integration |
Compared with MSP430FR6927IRGC, the MSP430FR69271IRGCT provides hardware I²C BSL for secure field updates without UART routing; versus MSP430FR6928IPM, it trades 32KB FRAM for identical functionality in a smaller VQFN package-ideal for space-constrained metering designs.
Availability
MSP430FR69271IRGCT is available at Aetrix Electronics and suitable for water metering, heat cost allocation, portable medical logging, and industrial data acquisition requiring stable component supply and long-term lifecycle assurance.
Supply support for MSP430FR69271IRGCT 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 emphasis on energy efficiency, reliability, and system-level integration.
The MSP430FR69xx product line delivers ultra-low-power mixed-signal MCUs combining FRAM, intelligent peripherals, and robust RTC functionality specifically for battery-operated utility and medical metering applications.
FAQ
What is the maximum operating frequency of the MSP430FR69271IRGCT?
The MSP430FR69271IRGCT supports a maximum system clock frequency of 16 MHz using its factory-trimmed DCO or external LFXT crystal. This frequency applies to active-mode execution; lower frequencies are used in low-power modes to minimize current draw while maintaining timing accuracy for RTC and peripheral operation.
Does the MSP430FR69271IRGCT support hardware UART bootloading?
No, the MSP430FR69271IRGCT does not support UART bootloading. It implements a hardware I²C bootloader (BSL) accessible via P1.6 (BSLSDA) and P1.7 (BSLSCL). UART BSL is present only on non-"1" variants like MSP430FR6927IRGC. Using UART with MSP430FR69271IRGCT requires custom firmware-not factory BSL.
How many LCD segments can the MSP430FR69271IRGCT drive, and what mux configurations are supported?
The MSP430FR69271IRGCT integrates the LCD_C module capable of driving up to 116 segments in 4-mux configuration. It does not support 6- or 8-mux modes. The driver provides programmable contrast control, internal charge pump, and direct connection to common (COM0–COM7) and segment (S0–S115) pins without external components.
Is the HFXT oscillator functional on the MSP430FR69271IRGCT?
No, the HFXT oscillator is not implemented on the MSP430FR69271IRGCT. As confirmed in the functional block diagram note, HFXT and its associated HFXIN/HFXOUT pins (PJ.6/PJ.7) are disabled in the MSP430FR692x family. Only LFXT (32 kHz) and internal VLO/DCO clock sources are available.
What is the FRAM endurance rating for the MSP430FR69271IRGCT, and how does it compare to flash-based alternatives?
The MSP430FR69271IRGCT features 64KB of FRAM rated for 10¹⁵ write cycles-orders of magnitude higher than typical flash (10⁴–10⁵ cycles). This enables frequent data logging without wear leveling, eliminates erase-before-write delays, and ensures integrity over decades of operation in metering applications where daily writes are routine.
MSP430FR69271IRGCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-VFQFN Exposed Pad
- Series:
- MSP430™ FRAM
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
- Number of I/O:
- 52
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR69271IRGCT FAQ
1.How can I place an order for MSP430FR69271IRGCT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR69271IRGCT 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 MSP430FR69271IRGCT reliable?
The price and inventory of MSP430FR69271IRGCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR69271IRGCT is usually 5 days.
3.What payment methods are accepted for MSP430FR69271IRGCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR69271IRGCT transactions.
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4.How is shipping managed for MSP430FR69271IRGCT?
MSP430FR69271IRGCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR69271IRGCT 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 MSP430FR69271IRGCT?
For technical support, including MSP430FR69271IRGCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR69271IRGCT requirements.
6.How does Aetrix verify that MSP430FR69271IRGCT is sourced from the original manufacturer or authorized distributors?
All MSP430FR69271IRGCT 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 MSP430FR69271IRGCT meets industry standards.
7.What is the process for return or replacement of MSP430FR69271IRGCT?
All MSP430FR69271IRGCT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR69271IRGCT, 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 MSP430FR69271IRGCT part is unused and in its original packaging.
Return procedure for MSP430FR69271IRGCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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