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Texas Instruments MSP430FR2632IYQWT
- Part No.:
- MSP430FR2632IYQWT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 24-UFBGA, DSBGA
- Datasheet:
-
MSP430FR2632IYQWT.pdf
- Description:
- IC MCU 16BIT 8.5KB FRAM 24DSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:223
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Product details
Overview
MSP430FR2632IYQWT from Texas Instruments is an ultra-low-power mixed-signal microcontroller optimized for capacitive touch sensing, featuring integrated CapTIvate™ technology, 8 KB program FRAM + 512 B information FRAM, 2 KB RAM, and support for up to 8 self-capacitive or 16 mutual-capacitive electrodes. It operates from 1.8 V to 3.6 V, achieves 126 µA/MHz active current, and delivers <5 µA wake-on-touch with four sensors-enabling battery-powered smart locks and appliance control panels.
For engineers reviewing the MSP430FR2632IYQWT datasheet, MSP430FR2632IYQWT pinout, MSP430FR2632IYQWT application, or MSP430FR2632IYQWT equivalent, key selection criteria include its DSBGA-24 (YQW) package, dedicated CapTIvate timing engine, LPM3.5 RTC operation at 730 nA, and hardware-accelerated noise filtering for IEC‑61000-4-2/4-4/4-6 compliance in wet or noisy environments.
Technical Context
The MSP430FR2632IYQWT integrates a 16-bit RISC CPU running up to 16 MHz with on-chip DCO+FLL (±1% accuracy), REFO, VLO, and LFXT support. Its CapTIvate module includes dedicated hardware for electrode scanning, spread-spectrum modulation, automatic tuning, and real-time noise rejection-operating autonomously in LPM3 while CPU remains asleep.
It features two eUSCI_A modules (UART/IrDA/SPI), one eUSCI_B (SPI/I²C), an 8-channel 10-bit ADC (200 ksps, internal 1.5-V reference), four 16-bit timers-including one timer exclusively assigned to CapTIvate-and CRC16 for memory integrity. The device uses unified FRAM memory with ECC, 10¹⁵ write endurance, and radiation resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16-MHz max clock and ±1% DCO+FLL accuracy at room temperature |
| Memory | 8 KB program FRAM + 512 B information FRAM + 2 KB SRAM; unified nonvolatile memory with ECC and 10¹⁵ write cycles |
| Capacitive Sensing | Up to 8 self-cap or 16 mutual-cap electrodes; hardware-accelerated scan, spread spectrum, and auto-tuning for >10-V RMS noise immunity |
| Power Consumption | Active mode: 126 µA/MHz; LPM3.5 (RTC): 730 nA; LPM4.5 (shutdown): 16 nA; wake-on-touch: <5 µA with 4 sensors |
| Analog Peripherals | 8-channel 10-bit ADC with 200 ksps sample rate and internal 1.5-V reference; supports single-ended inputs |
| Digital Interfaces | Two eUSCI_A (UART/IrDA/SPI), one eUSCI_B (SPI/I²C); four 16-bit timers including CapTIvate-dedicated timer and RTC counter |
| Package & I/O | DSBGA-24 (YQW), 2.29 mm × 2.34 mm; 17 GPIOs with 16 interrupt-capable pins (P1/P2) |
Pinout & Package
Package: DSBGA-24 (YQW), 2.29 mm × 2.34 mm, 0.4-mm pitch, bottom-side thermal pad (non-functional per TI spec).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI/SBWTDIO | Reset / Non-maskable interrupt / Spy-Bi-Wire data I/O | Primary debug and reset interface; enables low-pin-count programming and system recovery |
| TEST/SBWTCK | Spy-Bi-Wire clock input | Required for JTAG/SBW debugging; must be driven externally during programming |
| P1.0–P1.7 | General-purpose I/O with interrupt capability | 8 pins support wake-from-LPM; configurable as CapTIvate electrodes, ADC inputs, or UART signals |
| P2.0–P2.6 | General-purpose I/O with interrupt capability | 7 pins support wake-from-LPM; usable for mutual-capacitance sensing, SPI, or timer functions |
| P3.0–P3.2 | General-purpose I/O | 3 additional GPIOs; support CapTIvate, ADC, or eUSCI peripheral functions |
| DVCC / DVSS | Main digital power supply pair | Requires 4.7–10 µF bulk + 0.1 µF ceramic decoupling; powers all digital and analog modules |
| VREG | CapTIvate regulator decoupling node | Must connect 1-µF capacitor (≤200 mΩ ESR) to stabilize touch sensing performance |
Key Features
| Feature | Design Value |
|---|---|
| CapTIvate™ Touch Engine | Dedicated hardware accelerator enabling concurrent self/mutual-capacitance scanning, spread-spectrum modulation, and real-time environmental compensation without CPU intervention |
| FRAM Memory Architecture | Unified 8 KB program + 512 B info FRAM with ECC, 10¹⁵ write endurance, and zero-write-delay nonvolatility-eliminates flash erase cycles and wear leveling overhead |
| LPM3.5 Real-Time Clock | 32768-Hz crystal-based RTC operating at 730 nA typical, retaining timekeeping and wake capability while entire system sleeps |
| Noise Immunity Certification | Validated for IEC‑61000-4-2 (15-kV ESD), IEC‑61000-4-4 (4-kV EFT), and IEC‑61000-4-6 (10-V RMS conducted RF) - enables robust operation in industrial and consumer enclosures |
| Low-Power Wake-on-Touch | Hardware state machine scans electrodes at <5 µA with four sensors active, triggering full wake only upon valid touch detection-extending battery life in remote controls and keypads |
Applications
| Smart Lock Keypads | Motorized Window Blinds |
|---|---|
Use Scenario: Tamper-resistant, waterproof keypad on exterior door with battery-only operation and multi-button gesture support. IC Role / Device Role / Timing Role: Primary MCU executing CapTIvate touch processing, secure key validation, and motor control sequencing via GPIO and timers. Use Value: Enables 10+ year coin-cell battery life using LPM4.5 shutdown and sub-5-µA wake-on-touch, while maintaining IEC-61000-4-2/4-4 compliance through metal-over-glass overlay. |
Use Scenario: Compact, silent blind controller mounted inside window frame with proximity wake and slider position feedback. IC Role / Device Role / Timing Role: Capacitive slider interface processor with integrated ADC for potentiometer feedback and PWM timer output for DC motor drive. Use Value: Eliminates mechanical switches and external touch controller IC; supports high-resolution 1024-point sliders and proximity sensing through 5-mm plastic housing. |
| Wireless Speaker Controls | Garden Power Tools |
Use Scenario: Sealed, curved front panel on Bluetooth speaker with volume wheel, play/pause buttons, and water-rejection capability. IC Role / Device Role / Timing Role: Dedicated touch sensor MCU communicating via I²C to main audio SoC; handles all button/wheel debouncing and gesture logic. Use Value: Achieves reliable operation under condensation and grease via CapTIvate's built-in water rejection algorithms and 16-nA shutdown current. |
Use Scenario: Cordless drill/driver with ergonomic touch-sensitive trigger and mode selector on molded ABS housing exposed to dust, vibration, and moisture. IC Role / Device Role / Timing Role: System supervisor MCU managing battery gauge, thermal monitoring (via ADC), and user interface-waking only on intentional touch. Use Value: Survives 4-kV EFT transients and 15-kV ESD per IEC-61000-4-4/4-2, eliminating false triggers during motor commutation noise. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar capacitive touch microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR2532IYQW | Same DSBGA-24 package and 8 KB FRAM, but limited to 8 mutual-cap electrodes (vs. 16) and 1 KB RAM (vs. 2 KB) | Lower electrode count and RAM reduce suitability for multitouch sliders or complex UI state machines | Select when design requires only basic button arrays and minimal firmware footprint |
| MSP430FR2633IYQW | Same DSBGA-24 package, but with 15.5 KB FRAM, 4 KB RAM, and support for 16 self-/64 mutual-cap electrodes | Higher memory and sensing capacity enable advanced proximity + slider + gesture combinations in same layout | Select when future-proofing for feature expansion or supporting larger electrode matrices without PCB change |
Compared with MSP430FR2532IYQW, the MSP430FR2632IYQWT offers double the mutual-capacitance channel count and double the RAM for richer UI logic; compared with MSP430FR2633IYQW, it trades electrode scalability and memory headroom for tighter cost and power optimization in constrained designs.
Availability
MSP430FR2632IYQWT is available at Aetrix Electronics and suitable for smart lock keypads, motorized window blinds, wireless speaker interfaces, and garden power tool controls requiring stable component supply across long-lifecycle industrial and consumer programs.
Supply support for MSP430FR2632IYQWT 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 integration.
The MSP430FR263x product line targets ultra-low-power capacitive touch applications, integrating CapTIvate™ technology, FRAM memory, and autonomous sensing peripherals to replace mechanical interfaces in battery-operated and harsh-environment systems.
FAQ
What is the maximum number of capacitive touch electrodes supported by the MSP430FR2632IYQWT?
The MSP430FR2632IYQWT supports up to 8 self-capacitive electrodes or 16 mutual-capacitive electrodes. This configuration is fixed for this variant and confirmed in the Device Comparison table (SLAS942E, Table 3-1). It does not support the higher 64-mutual-capacitance capability found in the MSP430FR2633IYQW. Electrode count is determined by internal routing and CapTIvate hardware allocation-not software configuration.
Does the MSP430FR2632IYQWT include a real-time clock (RTC) and what is its lowest-power operating mode?
Yes, the MSP430FR2632IYQWT includes a 16-bit RTC counter that operates in LPM3.5 mode with a 32768-Hz crystal, drawing 730 nA typical. This mode retains RTC functionality while disabling the CPU, MCLK, and most peripherals-making it ideal for time-stamped wake events in battery-powered applications. The RTC is independent of the CapTIvate module and can run concurrently with touch scanning in LPM3.
What package type and dimensions does the MSP430FR2632IYQWT use?
The MSP430FR2632IYQWT uses a DSBGA-24 (YQW) package measuring 2.29 mm × 2.34 mm with 0.4-mm ball pitch. It features a non-functional thermal pad on the bottom side. This package is explicitly listed in the Device Information table (SLAS942E, page 3) and confirmed in Section 9 Mechanical Data. No TSSOP or VQFN variants exist for the YQW suffix.
Can the MSP430FR2632IYQWT operate with a 32-kHz external crystal, and is it required for RTC functionality?
Yes, the MSP430FR2632IYQWT supports an external 32-kHz crystal oscillator (LFXT) and requires it for accurate RTC operation in LPM3.5 mode. While internal oscillators (VLO, REFO) are available, only LFXT provides the stability needed for timekeeping. The crystal connects to XIN/XOUT pins (P1.6/P1.7 in default configuration), and load capacitance must match crystal specifications per Section 5.3 of SLAS942E.
What development tools are officially supported for the MSP430FR2632IYQWT?
Texas Instruments officially supports the MSP-CAPT-FR2633 CapTIvate development kit for the MSP430FR2632IYQWT, as both share identical CapTIvate hardware architecture and pin compatibility within the YQW package family. The CapTIvate Design Center GUI and MSP430Ware™ software libraries provide full code generation, real-time tuning, and driver support. Target boards like MSP-TS430RGE24A are also compatible via socket adapter.
MSP430FR2632IYQWT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 24-UFBGA, DSBGA
- 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:
- 17
- Program Memory Size:
- 8.5KB (8.5K 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 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR2632IYQWT FAQ
1.How can I place an order for MSP430FR2632IYQWT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR2632IYQWT 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 MSP430FR2632IYQWT reliable?
The price and inventory of MSP430FR2632IYQWT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR2632IYQWT is usually 5 days.
3.What payment methods are accepted for MSP430FR2632IYQWT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR2632IYQWT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR2632IYQWT?
MSP430FR2632IYQWT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR2632IYQWT 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 MSP430FR2632IYQWT?
For technical support, including MSP430FR2632IYQWT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR2632IYQWT requirements.
6.How does Aetrix verify that MSP430FR2632IYQWT is sourced from the original manufacturer or authorized distributors?
All MSP430FR2632IYQWT 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 MSP430FR2632IYQWT meets industry standards.
7.What is the process for return or replacement of MSP430FR2632IYQWT?
All MSP430FR2632IYQWT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR2632IYQWT, 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 MSP430FR2632IYQWT part is unused and in its original packaging.
Return procedure for MSP430FR2632IYQWT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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