Texas Instruments MSP430FR2153TRHAT

Overview

MSP430FR2153TRHAT from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller with 16KB FRAM, 2KB RAM, and integrated 12-bit ADC, two enhanced comparators, and dual USCI_A/USCI_B modules for UART/I²C/SPI. It operates from 1.8 V to 3.6 V across –40°C to 105°C and targets battery-powered industrial sensing applications including smoke detectors and sensor transmitters.

For engineers reviewing the MSP430FR2153TRHAT datasheet, MSP430FR2153TRHAT pinout, MSP430FR2153TRHAT application, or MSP430FR2153TRHAT equivalent, key selection criteria include its 40-pin VQFN (RHA) package, LPM3.5 current of 620 nA, FRAM endurance (10¹⁵ writes), 24-MHz DCO accuracy (±1%), and support for smart analog signal conditioning without external op-amps.

Technical Context

The MSP430FR2153TRHAT implements a 16-bit CPU with constant generator and 24-MHz digitally controlled oscillator (DCO) locked via FLL to internal or external references. Its power management module supports six low-power modes, including LPM3.5 (620 nA) with RTC and backup memory active while peripherals are disabled.

It integrates a 12-channel 12-bit SAR ADC (200 ksps), two eCOMP modules with 6-bit DAC reference and programmable hysteresis, and two USCI_A (UART/IrDA/SPI) and two USCI_B (SPI/I²C) serial interfaces - all configurable via shared I/O pins in the 40-pin VQFN package.

Key Specifications

Pinout & Package

Package: 40-pin VQFN (RHA), 6 mm × 6 mm, exposed thermal pad (to be connected to DVSS).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with MSP430FR2153TPT, the MSP430FR2153TRHAT saves board area and reduces thermal resistance via its smaller VQFN package, while compared with MSP430FR2353TRHA, it omits SAC modules - simplifying design and lowering BOM cost where advanced analog signal conditioning is unnecessary.

Availability

MSP430FR2153TRHAT is available at Aetrix Electronics and suitable for smoke detectors, sensor transmitters, and circuit breakers requiring stable component supply, long-term lifecycle support, and guaranteed traceability for industrial OEM programs.

Supply support for MSP430FR2153TRHAT 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 for industrial, automotive, and consumer markets.

The MSP430FR215x product line delivers ultra-low-power, FRAM-based microcontrollers optimized for sensing, measurement, and battery-operated industrial control applications - emphasizing energy efficiency, data integrity, and extended temperature operation.

FAQ

What is the maximum operating frequency of the MSP430FR2153TRHAT?

The MSP430FR2153TRHAT features a 24-MHz digitally controlled oscillator (DCO) with frequency-locked loop (FLL), enabling a maximum CPU clock frequency of 24 MHz. This speed is achievable across the full operating voltage range (1.8 V to 3.6 V) and temperature range (–40°C to 105°C), and is confirmed in the device's electrical specifications under recommended operating conditions. The MSP430FR2153TRHAT maintains timing accuracy via internal calibration and supports programmable prescalers for MCLK and SMCLK derivation.

Does the MSP430FR2153TRHAT support hardware debugging?

Yes, the MSP430FR2153TRHAT supports hardware debugging via the 2-pin Spy-Bi-Wire (SBW) interface using TEST/SBWTCK and RST/NMI/SBWTDIO pins. This interface enables full JTAG-like functionality - including flash programming, breakpoint setting, and real-time register inspection - using TI's MSP-FET or compatible debug probes. No external debug header is required, and SBW operates across the full voltage and temperature range of the MSP430FR2153TRHAT.

How many I/O pins does the MSP430FR2153TRHAT provide?

The MSP430FR2153TRHAT provides 36 general-purpose I/O pins in its 40-pin VQFN (RHA) package. Of these, 32 pins (P1.x, P2.x, P3.x, P4.x) support interrupt generation and can wake the device from all low-power modes, including LPM4.5. Pin functions are highly multiplexed - supporting timers, USCI modules, ADC inputs, comparator inputs/outputs, and analog outputs - as defined in the device's pin attributes table and signal descriptions.

What is the FRAM endurance specification for the MSP430FR2153TRHAT?

The MSP430FR2153TRHAT specifies 10¹⁵ write cycles for its integrated FRAM - a value confirmed in the device's datasheet Section 5.27 (FRAM Characteristics). This endurance is orders of magnitude higher than flash memory and enables continuous data logging (e.g., sensor readings every second) for over 31 million years without wear-out. FRAM also supports byte-level writes without erase, eliminating latency and complexity associated with flash page management in the MSP430FR2153TRHAT.

Can the MSP430FR2153TRHAT operate without an external crystal?

Yes, the MSP430FR2153TRHAT can operate without an external crystal. It includes multiple on-chip oscillators: a 24-MHz DCO (±1% accuracy at room temperature), a 32-kHz REFO, and a 10-kHz VLO. These allow full functionality - including LPM3 with RTC - using only internal clocks. An external 32-kHz crystal (LFXT) or 24-MHz crystal (HFXT) is optional and used only when higher precision or stability is required, such as for time-critical communications or metrology-grade timing in the MSP430FR2153TRHAT.