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Texas Instruments MSP430F2232TRHAR
- Part No.:
- MSP430F2232TRHAR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
MSP430F2232TRHAR.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 40VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,563
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Product details
Overview
MSP430F2232TRHAR from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 8KB Flash, 512B RAM, 10-bit ADC with 12-channel autoscan, two 16-bit timers (Timer_A and Timer_B), and USCI modules supporting UART/LIN, SPI, and I²C. It operates from 1.8 V to 3.6 V and targets battery-powered sensor systems requiring sub-1µs wake-up and <0.1 µA off-mode retention.
For engineers reviewing the MSP430F2232TRHAR datasheet, MSP430F2232TRHAR pinout, MSP430F2232TRHAR application, or MSP430F2232TRHAR equivalent, key selection considerations include its QFN-40 package, -40°C to 105°C temperature grade, integrated DCO with ±1% calibration, brownout detection, and Spy-Bi-Wire debug interface - all critical for industrial sensing and portable measurement designs.
Technical Context
The MSP430F2232TRHAR implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations. Its clock system integrates a digitally controlled oscillator (DCO), low-frequency VLO, and support for external crystals up to 16 MHz - with four factory-calibrated DCO frequencies enabling precise timing without external components.
Peripherals include a 10-bit ADC10 with internal reference, sample-and-hold, and Data Transfer Controller (DTC); dual 16-bit timers with capture/compare registers and shadow registers (Timer_B); and two USCI modules - USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C). It lacks operational amplifiers, distinguishing it from the F22x4 series.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 general-purpose registers and 62.5-ns instruction cycle at 16 MHz |
| Memory | 8KB + 256B Flash program memory and 512B RAM - sufficient for compact firmware with data logging buffers |
| ADC Resolution & Speed | 10-bit, 200 ksps with autoscan across 12 analog inputs - enables multi-sensor sampling without CPU intervention |
| Low-Power Modes | Active mode: 270 µA @ 1 MHz/2.2 V; Standby: 0.7 µA; Off mode (RAM retention): 0.1 µA - extends coin-cell life to years |
| Wake-Up Time | <1 µs from standby to active mode - meets real-time response requirements in event-driven sensing |
| Operating Voltage | 1.8 V to 3.6 V - compatible with single Li-ion, two alkaline, or regulated 3.3 V supplies |
| Temperature Range | -40°C to +105°C - qualified for under-hood automotive and industrial control environments |
Pinout & Package
Package: 40-pin QFN (RHA), 6 mm × 6 mm, 0.5 mm pitch, exposed thermal pad (connected to DVSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TEST/SBWTCK (Pin 1) | Spy-Bi-Wire test clock input | Enables programming and debugging via 2-wire interface - reduces PCB footprint vs JTAG |
| RST/NMI/SBWTDIO (Pin 6) | Reset/nonmaskable interrupt/test data I/O | Single-pin reset and debug communication - simplifies board-level reset circuitry |
| P1.0/TACLK/ADC10CLK | Timer_A clock / ADC conversion clock | Allows synchronous sampling and timer triggering - eliminates clock domain crossing issues |
| P2.0/ACLK/A0 | ACLK output / ADC channel A0 | Provides low-power auxiliary clock source while serving as primary analog input |
| P3.4/UCA0TXD/UCA0SIMO | USCI_A0 transmit / SPI master-out | Shared UART TX and SPI MOSI - supports flexible serial interface configuration |
| P4.7/TBCLK | Timer_B clock input | Accepts external timing source for precise event capture independent of system clocks |
| DVCC (Pins 2, 38, 39) | Digital supply voltage | Three dedicated VCC pins reduce IR drop and improve noise immunity in high-speed I/O operation |
| QFN Pad | Thermal pad | Must be connected to DVSS for thermal dissipation and EMI reduction - not optional |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.1 µA off-mode current with full RAM retention - enables energy harvesting and long-life battery designs |
| Integrated DCO with calibration | Four factory-trimmed frequencies (up to 16 MHz) with ±1% accuracy - eliminates need for external crystal in cost-sensitive applications |
| Hardware-accelerated peripherals | ADC10 with Data Transfer Controller (DTC) and Timer_B with shadow registers - offload CPU during burst acquisition and PWM generation |
| Robust debug interface | Spy-Bi-Wire over single bidirectional pin - preserves I/O count while enabling full flash programming and real-time debugging |
| Brownout protection | Dedicated POR/BOR circuit with configurable threshold - prevents erratic behavior during power ramp-up or brownout events |
Applications
| Wireless Sensor Node | Industrial Temperature Monitor |
|---|---|
Use Scenario: Battery-powered node collecting thermistor, humidity, and ambient light data, then transmitting via sub-GHz RF link. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, data preprocessing, low-power sleep scheduling, and SPI communication with RF transceiver. Use Value: Sub-1µs wake-up and 0.1 µA off-mode enable >5-year battery life on CR2032; integrated DCO avoids crystal cost and layout complexity. |
Use Scenario: DIN-rail mounted module measuring RTD or thermocouple signals in HVAC or process control cabinets. IC Role / Device Role / Timing Role: Signal conditioner and protocol translator converting analog inputs to Modbus RTU over RS-485. Use Value: 12-channel ADC autoscan supports multi-sensor inputs; -40°C to +105°C rating ensures reliability in unventilated enclosures. |
| Portable Medical Glucometer | Smart Meter Tamper Detection |
Use Scenario: Handheld device performing electrochemical strip analysis with LCD display and button interface. IC Role / Device Role / Timing Role: System-on-chip handling analog front-end biasing, ADC conversion, strip detection, and USB HID communication. Use Value: Integrated brownout detector prevents corrupted glucose readings during battery depletion; 1.8 V minimum operation extends usable battery range. |
Use Scenario: Utility meter detecting magnetic tampering, lid removal, or case intrusion using Hall sensors and reed switches. IC Role / Device Role / Timing Role: Low-power event monitor sampling digital inputs, timestamping events via Timer_B, and storing logs in Flash. Use Value: 0.7 µA standby current allows decade-long operation on supercapacitor backup; hardware USCI_B0 supports secure I²C EEPROM access. |
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 |
|---|---|---|---|
| MSP430F2252TRHAR | 16KB Flash, 512B RAM - double program memory; identical peripheral set and package | Supports larger firmware with bootloader, complex protocols, or extended data buffering | Select when firmware size exceeds 8KB or future scalability is required |
| MSP430G2553IRHA | 16KB Flash, 512B RAM, same QFN-40 package; lacks integrated DCO calibration and brownout detector | Requires external crystal for precision timing; less robust in unstable supply conditions | Choose for cost-sensitive designs where external crystal is acceptable and BOR is managed externally |
Compared with MSP430F2252TRHAR, the MSP430F2232TRHAR trades Flash capacity for lower unit cost and smaller code footprint; versus MSP430G2553IRHA, it delivers superior supply resilience and factory-trimmed timing - critical for field-deployed instrumentation.
Availability
MSP430F2232TRHAR is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical devices, and smart utility metering requiring stable component supply across extended product lifecycles.
Supply support for MSP430F2232TRHAR 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 decades of microcontroller innovation.
The MSP430F2232TRHAR belongs to the MSP430F2xx ultra-low-power MCU family, designed specifically for battery-operated measurement systems demanding nanowatt-level active and standby power consumption.
FAQ
What is the maximum operating frequency of the MSP430F2232TRHAR?
The MSP430F2232TRHAR supports a maximum system clock (MCLK) frequency of 16 MHz, achievable via its internal digitally controlled oscillator (DCO) with factory-calibrated settings or external HF crystal. This enables instruction execution at 62.5 ns per cycle, sufficient for real-time signal processing in sensor applications without requiring external PLLs.
Does the MSP430F2232TRHAR include operational amplifiers?
No, the MSP430F2232TRHAR does not include operational amplifiers. It belongs to the MSP430F22x2 series, which omits the two configurable op-amps present in the F22x4 variants (e.g., MSP430F2234). For designs requiring on-chip signal conditioning, the MSP430F2234TRHAR or external op-amp solutions must be used.
What debug interface does the MSP430F2232TRHAR support?
The MSP430F2232TRHAR supports Spy-Bi-Wire (SBW), a two-wire debug interface using TEST/SBWTCK (Pin 1) and RST/NMI/SBWTDIO (Pin 6). This interface enables full flash programming, real-time debugging, and breakpoint execution - all with minimal PCB routing overhead compared to standard JTAG.
Is the MSP430F2232TRHAR RoHS compliant and lead-free?
Yes, the MSP430F2232TRHAR is RoHS compliant and lead-free, meeting JEDEC J-STD-020 moisture sensitivity level 3 (MSL-3) requirements. Its QFN-40 (RHA) package uses matte tin lead finish and is qualified for reflow soldering per IPC/JEDEC J-STD-020 standards.
How many analog input channels does the ADC10 support on the MSP430F2232TRHAR?
The ADC10 module on the MSP430F2232TRHAR supports up to 12 analog input channels (A0–A7, A12–A15), accessible through dedicated pins including P2.0, P2.1, P2.2, P2.3, P2.4, P3.6, P3.7, P4.3, P4.4, P4.5, P4.6, and P4.7. The autoscan feature allows sequential conversion without CPU intervention.
MSP430F2232TRHAR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 40-VFQFN Exposed Pad
- Series:
- MSP430F2xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 32
- Program Memory Size:
- 8KB (8K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F2232TRHAR FAQ
1.How can I place an order for MSP430F2232TRHAR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2232TRHAR 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 MSP430F2232TRHAR reliable?
The price and inventory of MSP430F2232TRHAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2232TRHAR is usually 5 days.
3.What payment methods are accepted for MSP430F2232TRHAR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2232TRHAR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2232TRHAR?
MSP430F2232TRHAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2232TRHAR 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 MSP430F2232TRHAR?
For technical support, including MSP430F2232TRHAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2232TRHAR requirements.
6.How does Aetrix verify that MSP430F2232TRHAR is sourced from the original manufacturer or authorized distributors?
All MSP430F2232TRHAR 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 MSP430F2232TRHAR meets industry standards.
7.What is the process for return or replacement of MSP430F2232TRHAR?
All MSP430F2232TRHAR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2232TRHAR, 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 MSP430F2232TRHAR part is unused and in its original packaging.
Return procedure for MSP430F2232TRHAR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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