Texas Instruments MSP430F2274TRHAR

Overview

MSP430F2274TRHAR 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 integrated 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 battery-powered sensor systems and RF front ends.

For engineers reviewing the MSP430F2274TRHAR datasheet, MSP430F2274TRHAR pinout, MSP430F2274TRHAR application, or MSP430F2274TRHAR equivalent, this page delivers verified functional architecture, package-specific terminal mapping, low-power mode timing, analog subsystem configuration, and validated alternative options for embedded design continuity.

Technical Context

The MSP430F2274TRHAR 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) calibrated to ±1% across four internal frequencies up to 16 MHz, plus support for 32-kHz crystal, HF crystal (≤16 MHz), resonator, or external digital clock source.

It features two independent operational amplifiers (OA0 and OA1) with configurable inputs/outputs mapped across P2.x, P3.x, and P4.x pins, and a 10-bit ADC10 with 12-channel autoscan, internal reference (1.5 V/2.0 V/2.5 V), sample-and-hold, and data transfer controller - all operating under LPM3 with ACLK active and DCO disabled.

Key Specifications

Pinout & Package

Package: 40-pin QFN (RHA), 6 mm × 6 mm, 0.5 mm pitch, exposed thermal pad (connected to DVSS).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low-power mixed-signal microcontroller applications.

Compared with MSP430F2274TDA and MSP430F2274IYFF, the MSP430F2274TRHAR offers superior thermal management via its QFN thermal pad and balanced I/O routing for mixed-signal layout - making it preferred for production designs demanding long-term reliability in industrial ambient conditions.

Availability

MSP430F2274TRHAR is available at Aetrix Electronics and suitable for wireless sensor nodes, industrial process monitors, and RF front-end controllers requiring stable component supply, extended lifecycle support, and guaranteed traceability.

Supply support for MSP430F2274TRHAR 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.

The MSP430F2274TRHAR belongs to TI's MSP430F2xx ultra-low-power MCU family, engineered specifically for battery-operated sensing, metering, and portable instrumentation where energy efficiency and analog integration are critical.

FAQ

What is the maximum operating frequency of the MSP430F2274TRHAR?

The MSP430F2274TRHAR supports internal DCO frequencies up to 16 MHz with ±1% calibration accuracy across temperature and voltage. It also accepts external clock sources including 32-kHz crystals, HF crystals up to 16 MHz, resonators, or digital clock inputs - all routed through the basic clock module for MCLK, SMCLK, or ACLK generation.

Does the MSP430F2274TRHAR include hardware encryption or secure boot features?

No, the MSP430F2274TRHAR does not include hardware encryption accelerators or secure boot functionality. It provides code protection via a one-time-programmable security fuse that disables further flash programming and readout after activation - a basic level of IP protection suitable for cost-sensitive industrial applications.

How many analog input channels does the ADC10 support on the MSP430F2274TRHAR?

The ADC10 on the MSP430F2274TRHAR supports 15 analog input channels: A0–A7 (P2.x/P3.x), A12–A15 (P4.x), and internal references (VREF+, VeREF+, etc.). Channel selection is software-configurable, and autoscan mode enables sequential conversion across up to 16 channels without CPU intervention.

Can both operational amplifiers in the MSP430F2274TRHAR operate simultaneously with independent configurations?

Yes, OA0 and OA1 operate independently with separate input/output mappings and configurable gain settings. Their inputs (OA0I0–OA0I3, OA1I0–OA1I3) and outputs (OA0O, OA1O) are assigned to distinct pins - enabling concurrent signal conditioning paths, such as sensor pre-amplification followed by anti-alias filtering before ADC sampling.

Is the MSP430F2274TRHAR pin-compatible with other devices in the MSP430F22x4 family?

Yes, the MSP430F2274TRHAR shares identical pinout, electrical characteristics, and peripheral register mapping with all MSP430F22x4 variants in the RHA package (e.g., MSP430F2254TRHAR, MSP430F2234TRHAR), differing only in flash/RAM size and factory calibration - allowing drop-in replacement within the same package variant.