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Texas Instruments MSP430FR2032IPMR
- Part No.:
- MSP430FR2032IPMR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MSP430FR2032IPMR.pdf
- Description:
- IC MCU 16BIT 8.5KB FRAM 64LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MSP430FR2032IPMR from Texas Instruments is a 16-bit RISC ultra-low-power microcontroller featuring 8KB program FRAM + 512B information FRAM + 1KB RAM, 10-channel 10-bit ADC (200 ksps), dual eUSCI modules (UART/I²C/SPI), two Timer_A3 peripherals with three capture/compare registers each, and real-time clock capability in LPM3.5 mode (0.77 µA). It operates from 1.8 V to 3.6 V and targets battery-powered sensor nodes and industrial supervisory systems.
For engineers reviewing the MSP430FR2032IPMR datasheet, MSP430FR2032IPMR pinout, MSP430FR2032IPMR application, or MSP430FR2032IPMR equivalent, key selection criteria include FRAM endurance (1015 write cycles), sub-µA LPM3.5 RTC operation, capacitive touch I/O support across all pins, and Spy-Bi-Wire debug interface compatibility.
Technical Context
The MSP430FR2032IPMR integrates a 16-MHz digitally controlled oscillator (DCO) with FLL for ±1% accuracy at room temperature, paired with multiple clock sources including REFO (32 kHz), VLO (10 kHz), MODCLK, and external XT1 crystal support. Its power management supports six low-power modes, with LPM4.5 consuming only 15 nA and LPM3.5 enabling RTC operation at 0.77 µA using a 32.768-kHz crystal.
Peripherals are tightly coupled to the low-power architecture: both Timer_A3 modules support asynchronous capture/compare with CCR1/CCR2 externally connected; eUSCI_A0 handles UART/IrDA/SPI; eUSCI_B0 supports SPI/I²C; and all 60 GPIOs on the LQFP-64 package double as capacitive touch inputs with dedicated hardware acceleration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 16-bit RISC with 16 registers and constant generator; enables high code efficiency and sub-10-µs wake-from-LPM active transition |
| Memory | 8KB + 512B FRAM (1015 write endurance, ECC-protected, unified program/data/storage) |
| ADC | 10-bit SAR with 10 channels, 200 ksps sample rate, internal 1.5-V reference, and sample-and-hold |
| Low-Power Modes | LPM3.5: 0.77 µA (RTC + 32.768-kHz crystal); LPM4.5: 15 nA (full shutdown) |
| Supply Range | 1.8 V to 3.6 V - minimum voltage constrained by SVS thresholds, not absolute logic limit |
| Package | LQFP-64 (PM), 10 mm × 10 mm body, 0.5-mm pitch, 60 usable I/Os (P1–P8) |
| Debug Interface | Spy-Bi-Wire (SBW) via RST/NMI/SBWTDIO and TEST/SBWTCK pins; no JTAG TAP required |
Pinout & Package
LQFP-64 (PM) package, 10 mm × 10 mm body, 0.5-mm lead pitch, thermally enhanced exposed pad (not electrically connected). All 64 pins are assigned; 60 support general-purpose I/O, interrupt, or peripheral functions; 4 are power/ground (DVCC ×2, DVSS ×2) or debug (RST/NMI/SBWTDIO, TEST/SBWTCK).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO (Pin 10) | Multi-function input/output | Active-low reset, nonmaskable interrupt input, and bidirectional Spy-Bi-Wire data line - requires external 47-kΩ pullup for SBW operation |
| TEST/SBWTCK (Pin 11) | Debug clock input | Input-only Spy-Bi-Wire clock; must be driven by debugger; disables JTAG pin-interrupt collision when enabled |
| DVCC (Pins 9, 15) | Core/analog power supply | Single 1.8–3.6 V rail powers digital logic, FRAM, ADC, and timers; requires 4.7–10 µF bulk + 0.1 µF ceramic decoupling |
| DVSS (Pins 8, 14) | Power ground | Common return for DVCC; must be low-impedance connection to minimize noise coupling into analog peripherals |
| P1.0–P1.7 (Pins 24–21) | Programmable GPIO + analog inputs | Eight pins supporting UART (UCA0TXD/RXD), SPI (UCA0CLK/STE), timer capture (TA0.1/TA0.2), JTAG (TDO/TDI/TMS/TCK), and ADC inputs A0–A7 |
| P4.1/XIN & P4.2/XOUT (Pins 13, 12) | Crystal oscillator terminals | Support external 32.768-kHz crystal for RTC; require load capacitors per TI crystal layout guidelines (typically 12.5 pF) |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 8KB program + 512B info FRAM with built-in ECC, 1015 write cycles, and radiation resistance - eliminates EEPROM wear-out concerns in data-logging applications |
| Capacitive Touch I/O | All 60 GPIOs support capacitive sensing without external components; hardware-accelerated CSIO module reduces CPU overhead and power during touch polling |
| Ultra-Low-Power RTC | Real-time clock functional in LPM3.5 at 0.77 µA with 32.768-kHz crystal - enables decade-scale battery life in smoke detectors and environmental monitors |
| Integrated Clock System | On-chip DCO (±1% accuracy), REFO, VLO, MODCLK, and XT1 support - eliminates need for external timing components in most configurations |
| eUSCI Peripherals | eUSCI_A0 (UART/IrDA/SPI) and eUSCI_B0 (SPI/I²C) with independent baud-rate generators - simplifies communication with sensors, displays, and host controllers |
Applications
| Smoke or Fire Detectors | Glass Breakage Detectors |
|---|---|
Use Scenario: Battery-powered residential/commercial smoke alarm with CO sensing and wireless alert transmission. IC Role / Device Role / Timing Role: Primary system controller managing optical/CO sensor readout, alarm logic, RTC-based self-test scheduling, and low-power BLE subsystem wake-up. Use Value: LPM4.5 (15 nA) extends 10-year battery life; FRAM enables reliable event logging without wear-out; capacitive touch supports tamper-detection button interface. |
Use Scenario: Acoustic security sensor detecting high-frequency glass fracture signatures in commercial buildings. IC Role / Device Role / Timing Role: Signal acquisition controller sampling piezoelectric transducer output via 10-bit ADC at 200 ksps, performing FFT-based spectral analysis in FRAM-resident buffers. Use Value: 200 ksps ADC sampling captures transient break events; FRAM's fast write speed stores raw waveform segments; low-active-mode current (126 µA/MHz) minimizes thermal noise during processing. |
| Industrial Sensor Management | Temperature Sensors or Controllers |
Use Scenario: DIN-rail mounted node aggregating RTD, humidity, and pressure readings for predictive maintenance gateways. IC Role / Device Role / Timing Role: Low-power coprocessor handling sensor excitation, calibration compensation, CRC-verified data packaging, and SPI/I²C interfacing to host MCU. Use Value: Dual eUSCI modules enable concurrent sensor bus communication; 10-channel ADC supports multi-sensor analog front-end; FRAM retains calibration coefficients across power cycles. |
Use Scenario: Smart thermostat with local display, HVAC control outputs, and ambient/pipe temperature monitoring. IC Role / Device Role / Timing Role: Main controller executing PID loop, driving segment LCD via integrated LCD bias, managing thermistor/RTD measurements, and maintaining accurate time for scheduling. Use Value: Internal 1.5-V ADC reference ensures stable temperature measurement accuracy; RTC in LPM3.5 maintains calendar/time without external RTC IC; capacitive touch enables sleek UI with no mechanical buttons. |
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 |
|---|---|---|---|
| MSP430FR2033IPMR | 15KB + 512B FRAM, 2KB RAM, identical peripherals and pinout - direct upgrade path with more memory headroom | Preferred where firmware complexity or data logging depth exceeds 8KB program space | Select when future firmware expansion or extended event history storage is required; same PCB layout and software migration path |
| MSP430FR2032IG56 | TSSOP-56 package (52 I/O), same FRAM/RAM configuration, reduced pin count and smaller footprint | Used in space-constrained designs where 60 I/Os are unnecessary and thermal dissipation is less critical | Choose for compact consumer devices or cost-sensitive BOMs where 52 I/Os suffice and LQFP-64 assembly is prohibitive |
Compared with MSP430FR2033IPMR, the MSP430FR2032IPMR offers identical peripheral set and low-power performance at lower memory density, while MSP430FR2032IG56 trades I/O count and package size for board area savings - neither is pin-compatible with non-PM variants due to differing pin assignments and bonding patterns.
Availability
MSP430FR2032IPMR is available at Aetrix Electronics and suitable for smoke/fire detection, industrial sensor management, and temperature control systems requiring stable component supply, long-term lifecycle assurance, and consistent FRAM reliability across production batches.
Supply support for MSP430FR2032IPMR 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 and industrial-grade reliability.
The MSP430FR203x product line delivers ultra-low-power mixed-signal MCUs optimized for battery-operated sensing, measurement, and control applications - emphasizing FRAM nonvolatility, sub-µA RTC operation, and capacitive touch integration without external components.
FAQ
What is the maximum operating frequency of the MSP430FR2032IPMR CPU core?
The MSP430FR2032IPMR features a 16-bit RISC CPU with a digitally controlled oscillator (DCO) capable of up to 16 MHz operation. The DCO is stabilized by an on-chip frequency-locked loop (FLL) and achieves ±1% accuracy at room temperature using the internal reference oscillator, enabling deterministic real-time execution without external crystals for many applications.
Does the MSP430FR2032IPMR support capacitive touch sensing on all I/O pins?
Yes, the MSP430FR2032IPMR supports capacitive touch sensing on all 60 general-purpose I/O pins (P1–P8). This capability is implemented via the integrated CapTIvate™-compatible CSIO hardware module, which performs autonomous charge-transfer measurements without CPU intervention, reducing active-mode current and enabling low-power touch polling in LPM3.
What debug interface does the MSP430FR2032IPMR use, and what pins are required?
The MSP430FR2032IPMR uses the Spy-Bi-Wire (SBW) debug interface, requiring only two pins: RST/NMI/SBWTDIO (Pin 10) and TEST/SBWTCK (Pin 11). This two-wire interface replaces full JTAG, minimizing PCB routing complexity and enabling in-system programming and debugging with TI's MSP-FET and compatible tools.
How does the FRAM memory in the MSP430FR2032IPMR differ from traditional flash in terms of endurance and write speed?
The MSP430FR2032IPMR's FRAM provides 1015 write cycles - orders of magnitude higher than typical flash (104–105 cycles) - and supports write speeds comparable to RAM (no erase-before-write). This enables reliable, high-frequency data logging (e.g., sensor timestamping) and eliminates wear-leveling firmware overhead required with flash-based MCUs.
Can the MSP430FR2032IPMR operate from a single 1.8-V supply, and what are the implications for analog peripherals?
Yes, the MSP430FR2032IPMR operates from 1.8 V to 3.6 V. At 1.8 V, the ADC remains functional with the internal 1.5-V reference, but SVS (supply voltage supervisor) thresholds restrict minimum viable voltage depending on configured trip points. The 10-bit ADC maintains 200 ksps sample rate and specified INL/DNL across the full voltage range, ensuring consistent measurement fidelity in energy-harvesting or coin-cell applications.
MSP430FR2032IPMR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-LQFP
- Series:
- MSP430™ FRAM
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 60
- Program Memory Size:
- 8.5KB (8.5K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR2032IPMR FAQ
1.How can I place an order for MSP430FR2032IPMR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR2032IPMR 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 MSP430FR2032IPMR reliable?
The price and inventory of MSP430FR2032IPMR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR2032IPMR is usually 5 days.
3.What payment methods are accepted for MSP430FR2032IPMR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR2032IPMR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR2032IPMR?
MSP430FR2032IPMR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR2032IPMR 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 MSP430FR2032IPMR?
For technical support, including MSP430FR2032IPMR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR2032IPMR requirements.
6.How does Aetrix verify that MSP430FR2032IPMR is sourced from the original manufacturer or authorized distributors?
All MSP430FR2032IPMR 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 MSP430FR2032IPMR meets industry standards.
7.What is the process for return or replacement of MSP430FR2032IPMR?
All MSP430FR2032IPMR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR2032IPMR, 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 MSP430FR2032IPMR part is unused and in its original packaging.
Return procedure for MSP430FR2032IPMR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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