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Texas Instruments MSP430F2274TRHAT
- Part No.:
- MSP430F2274TRHAT
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
MSP430F2274TRHAT.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 40VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:645
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Product details
Overview
MSP430F2274TRHAT from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 32KB+256B flash, 1KB RAM, dual operational amplifiers, 10-bit 200-ksps ADC with internal reference and DTC, two 16-bit timers (Timer_A3 and Timer_B3), USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C), and 32 I/O pins - deployed in sensor front-ends, portable measurement systems, and RF telemetry nodes.
For engineers reviewing the MSP430F2274TRHAT datasheet, MSP430F2274TRHAT pinout, MSP430F2274TRHAT application, or MSP430F2274TRHAT equivalent, key selection criteria include its -40°C to 105°C extended temperature grade, QFN-40 (RHA) package with exposed thermal pad, dual op-amp support for analog signal conditioning, and Spy-Bi-Wire debug interface compatibility with MSP-FET430UIF.
Technical Context
The MSP430F2274TRHAT implements a 16-bit RISC CPU with constant generators and seven addressing modes, enabling single-cycle register operations. Its clock system integrates DCO (calibrated to ±1% at 1–16 MHz), ACLK (LF crystal or VLO), SMCLK, and MCLK - supporting five low-power modes including LPM4 with 0.1 µA off-mode current and sub-1 µs wake-up.
Peripherals are memory-mapped and accessible via all instructions. The device includes two independent rail-to-rail op amps (OA0/OA1) with configurable inputs/outputs on P2.x/P3.x/P4.x pins, and a 12-channel ADC10 with autoscan, sample-and-hold, and data transfer controller - all synchronized to the same clock domain and interrupt vector table.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and constant generators; enables efficient C code execution and deterministic timing for real-time control. |
| Flash / RAM | 32KB + 256B flash program memory and 1KB RAM - sufficient for firmware with integrated sensor fusion, communication stacks, and calibration tables. |
| ADC Resolution | 10-bit SAR ADC with 200-ksps sampling rate, internal reference, autoscan, and DTC - supports continuous multi-channel acquisition without CPU intervention. |
| Power Consumption | Active mode: 270 µA @ 1 MHz / 2.2 V; Standby: 0.7 µA; Off mode (RAM retention): 0.1 µA - enables >10-year battery life in coin-cell-powered sensors. |
| Operating Temperature | -40°C to +105°C - qualified for industrial automation, automotive cabin modules, and outdoor environmental monitoring. |
| Communication Interfaces | USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C) - enables dual-bus connectivity for sensor aggregation and host communication with protocol flexibility. |
| Op Amp Count | Two rail-to-rail operational amplifiers (OA0 and OA1) with programmable gain and input routing - supports analog front-end signal conditioning before ADC digitization. |
Pinout & Package
Package: 40-pin QFN (RHA) with 6 mm × 6 mm body and exposed thermal pad (connected to DVSS). Pin pitch: 0.5 mm. RoHS-compliant, moisture-sensitive level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 / TEST/SBWTCK | Spy-Bi-Wire test clock input | Enables programming and debugging using TI's MSP-FET430UIF; no external JTAG header required. |
| 6 / RST/NMI/SBWTDIO | Reset/nonmaskable interrupt/test data I/O | Single-pin reset and debug interface; supports brownout detection and NMI-triggered fault recovery. |
| P2.0/ACLK/A0/OA0I0 | ACLK output / ADC channel 0 / OA0 inverting input | Shared pin enables clock distribution, analog sensing, and op-amp feedback configuration in compact layouts. |
| P4.3/TB0/A12/OA0O | Timer_B capture/compare 0 / ADC channel 12 / OA0 output | Combines timing, analog input, and op-amp output - ideal for PWM-driven sensor excitation with synchronous readback. |
| P4.6/TBOUTH/A15/OA1I3 | Timer_B output high-impedance control / ADC channel 15 / OA1 input 3 | Allows dynamic isolation of timer outputs while retaining analog monitoring capability on same pin. |
| QFN Pad | Thermal pad | Must be soldered to DVSS plane for thermal dissipation and EMI reduction in high-noise environments. |
Key Features
| Feature | Design Value |
|---|---|
| Dual rail-to-rail op amps | OA0 and OA1 support programmable gain, differential input, and output routing - eliminates need for external signal-conditioning ICs in analog sensor interfaces. |
| 10-bit ADC with DTC | Autoscan across 12 channels and direct memory transfer without CPU wake-up - reduces active time and extends battery life in periodic sampling applications. |
| Ultra-fast wake-up | <1 µs transition from LPM4 to active mode - enables responsive event-driven operation in wake-on-interrupt sensor nodes. |
| Brownout detector | Integrated POR/BOR circuit ensures reliable reset below 1.8 V supply - prevents erratic behavior during battery voltage sag or cold-start conditions. |
| Bootstrap loader (BSL) | On-chip UART-based firmware update via P3.4/P3.5 - allows field upgrades without debugger hardware or external programmer. |
| Five low-power modes | LPM0–LPM4 with configurable clock gating - provides granular power management for mixed-signal workloads with varying real-time constraints. |
Applications
| Industrial Sensor Node | Portable Medical Monitor |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity/pressure sensor node transmitting data via UART to gateway. IC Role / Device Role / Timing Role: Main MCU executing sensor polling, ADC conversion, LIN-compliant UART transmission, and sleep scheduling. Use Value: 0.1 µA off-mode current and sub-1 µs wake-up enable multi-year operation on CR2032; dual op amps condition thermistor bridge signals before ADC. |
Use Scenario: Wearable pulse oximeter acquiring analog photodiode signals and computing SpO₂ in real time. IC Role / Device Role / Timing Role: Signal processor handling synchronized LED drive (via Timer_B PWM), ADC sampling, and I²C display output. Use Value: Integrated 10-bit ADC with DTC and dual op amps eliminate external signal chain components; 105°C rating supports skin-contact thermal stability. |
| Smart Meter Front-End | RF Sensor Transceiver |
|
Use Scenario: Electricity meter auxiliary module measuring auxiliary voltages/currents and communicating over SPI to main SoC. IC Role / Device Role / Timing Role: Dedicated analog acquisition engine with isolated ADC inputs, op-amp gain stages, and SPI slave interface. Use Value: 12-channel ADC with autoscan and internal reference ensures consistent metrology-grade readings; 32 I/O pins support multiple isolation interfaces. |
Use Scenario: Sub-GHz RF front-end using MSP430F2274TRHAT to condition and digitize received signal strength (RSSI) and modulate baseband data. IC Role / Device Role / Timing Role: Baseband controller managing RSSI ADC sampling, op-amp filtering, and SPI communication with RF transceiver IC. Use Value: Dual op amps provide programmable gain for RSSI scaling; USCI_B0 SPI achieves deterministic timing for RF chip register access. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F2274IDA | Same core, flash, RAM, and peripherals; packaged in 38-pin TSSOP (DA) instead of 40-pin QFN (RHA). | TSSOP offers easier prototyping and rework; QFN provides better thermal performance and smaller footprint for volume production. | Select MSP430F2274IDA for breadboard evaluation or low-volume PCBs; choose MSP430F2274TRHAT for space-constrained, thermally demanding deployments. |
| MSP430F2254TRHAT | Identical package and temperature grade, but reduced memory: 16KB+256B flash and 512B RAM; lacks second op amp (OA1). | Suitable for simpler sensor nodes without dual-channel analog conditioning or complex firmware. | Choose MSP430F2254TRHAT when application requires only one op amp and ≤16KB code space - lowers BOM cost without sacrificing QFN-40 thermal advantages. |
Compared with MSP430F2274IDA and MSP430F2254TRHAT, the MSP430F2274TRHAT delivers maximum analog integration (dual op amps), largest memory (32KB flash), and highest thermal efficiency in QFN-40 - making it optimal for feature-rich, battery-critical embedded systems requiring long-term reliability at 105°C.
Availability
MSP430F2274TRHAT is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical monitors, and smart meter front-ends requiring stable component supply, extended temperature operation, and long-lifecycle availability.
Supply support for MSP430F2274TRHAT 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 expertise in ultra-low-power design.
The MSP430F2274TRHAT belongs to the MSP430F22x4 family - engineered specifically for battery-operated measurement systems where nanowatt-level power, integrated analog peripherals, and robust industrial qualification are mandatory.
FAQ
What is the operating voltage range for the MSP430F2274TRHAT?
The MSP430F2274TRHAT operates from 1.8 V to 3.6 V. This wide supply range supports direct connection to single-cell Li-ion, Li-SOCl₂, or alkaline batteries without external regulation - critical for maintaining runtime in energy-constrained applications. The device maintains full functionality across this range, including ADC accuracy and op-amp rail-to-rail performance.
Does the MSP430F2274TRHAT support in-system programming?
Yes, the MSP430F2274TRHAT supports in-system programming via Spy-Bi-Wire using the TEST/SBWTCK and RST/NMI/SBWTDIO pins. It also includes a UART-based bootstrap loader (BSL) accessible through USCI_A0 pins (P3.4/P3.5), enabling firmware updates without dedicated debug hardware - a key advantage for field-deployed MSP430F2274TRHAT units.
How many analog input channels does the MSP430F2274TRHAT ADC support?
The MSP430F2274TRHAT integrates a 10-bit ADC10 with 12 selectable analog input channels (A0–A7, A12–A15). Channels A0–A7 map to P2.x and P3.x pins; A12–A15 map to P4.x pins. All channels share the same reference (internal or external) and support autoscan mode with automatic data transfer via the DTC - eliminating software overhead during multi-channel acquisition.
What debug interface does the MSP430F2274TRHAT use?
The MSP430F2274TRHAT uses the 2-wire Spy-Bi-Wire interface (TEST/SBWTCK and RST/NMI/SBWTDIO) for full-speed debugging and programming. This interface is compatible with TI's MSP-FET430UIF and third-party emulators supporting MSP430 Spy-Bi-Wire. No external pull-ups or level shifters are required - simplifying board layout and reducing BOM count for MSP430F2274TRHAT designs.
Is the MSP430F2274TRHAT pin-compatible with other MSP430F22x4 variants?
Yes, the MSP430F2274TRHAT shares identical pinout and electrical characteristics with other RHA-package MSP430F22x4 devices (e.g., MSP430F2254TRHAT, MSP430F2234TRHAT) - enabling drop-in replacement within the same family. Pin functions, drive strength, and timing parameters are fully aligned per SLAS504G, allowing reuse of PCB layouts and firmware across memory-graded variants of the MSP430F2274TRHAT platform.
MSP430F2274TRHAT 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:
- 32KB (32K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K 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:
MSP430F2274TRHAT FAQ
1.How can I place an order for MSP430F2274TRHAT through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F2274TRHAT 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 MSP430F2274TRHAT reliable?
The price and inventory of MSP430F2274TRHAT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F2274TRHAT is usually 5 days.
3.What payment methods are accepted for MSP430F2274TRHAT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F2274TRHAT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F2274TRHAT?
MSP430F2274TRHAT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F2274TRHAT 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 MSP430F2274TRHAT?
For technical support, including MSP430F2274TRHAT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F2274TRHAT requirements.
6.How does Aetrix verify that MSP430F2274TRHAT is sourced from the original manufacturer or authorized distributors?
All MSP430F2274TRHAT 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 MSP430F2274TRHAT meets industry standards.
7.What is the process for return or replacement of MSP430F2274TRHAT?
All MSP430F2274TRHAT units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F2274TRHAT, 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 MSP430F2274TRHAT part is unused and in its original packaging.
Return procedure for MSP430F2274TRHAT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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