MSP430FR2476TRHBR

Product Overview

The MSP430FR2476TRHBR is a Texas Instruments (TI) MSP430FR2476 16-bit ultra-low-power microcontroller featuring a powerful RISC architecture operating at up to 16 MHz. It integrates 64 KB FRAM, 8 KB SRAM, a 12-bit SAR ADC, an enhanced comparator, timers, UART, SPI and I2C communication interfaces.

The device is designed for low-power sensing and measurement applications and operates from 1.8 V to 3.6 V. It supports an extended operating temperature range of -40°C to +105°C and is supplied in a 32-pin VQFN (RHB)package.

Key Features

• 16-bit RISC architecture

• Up to 16 MHz operating frequency

• 64 KB nonvolatile FRAM

• 512 bytes information FRAM

• 8 KB SRAM

• Built-in FRAM ECC

• Configurable FRAM write protection

• Four 16-bit Timer_A3 modules

• One 16-bit Timer_B7

• 16-bit RTC counter

• 12-bit SAR ADC

• Up to 12 ADC channels

• 200 ksps ADC sampling rate

• Enhanced comparator with integrated 6-bit DAC

• Two eUSCI_A modules supporting UART, IrDA and SPI

• Two eUSCI_B modules supporting SPI and I2C

• 16-bit CRC module

• On-chip 16 MHz DCO with FLL

• 32 kHz REFO oscillator

• 10 kHz VLO oscillator

• External 32 kHz crystal oscillator support

• Multiple ultra-low-power operating modes

• 1.8 V to 3.6 V supply voltage

• -40°C to +105°C operating temperature

• 32-pin VQFN package

Technical Specifications

Processor & Architecture

The MSP430FR2476TRHBR features TI's 16-bit MSP430 RISC architecture with 16-bit registers and a constant generator designed to achieve high code efficiency. The integrated digitally controlled oscillator can operate at up to 16 MHz, while the device is optimized for ultra-low-power operation.

Memory & Storage

The device integrates 64 KB of nonvolatile FRAM, 512 bytes of information FRAM, and 8 KB of SRAM.

FRAM provides fast writes, high endurance and nonvolatile data storage. The integrated FRAM also supports ECC, configurable write protection and unified memory for program code, constants and data storage.

Analog Peripherals

The MSP430FR2476TRHBR integrates:

• One 12-bit SAR ADC

• Up to 12 ADC input channels

• 200 ksps sampling performance

• Internal 1.5 V, 2.0 V and 2.5 V reference options

• One enhanced comparator

• Integrated 6-bit comparator DAC

• Programmable comparator hysteresis

• High-power and low-power comparator modes

These analog resources make the device suitable for sensing and measurement applications.

Timer & PWM Resources

The MCU provides four 16-bit Timer_A3 modules, each with three capture/compare registers, along with one 16-bit Timer_B7 module with seven capture/compare registers.

A 16-bit counter-only RTC is also integrated for timekeeping and low-power timing functions.

Communication & Connectivity

The MSP430FR2476TRHBR provides flexible serial communication through:

• 2 × eUSCI_A supporting UART, IrDA and SPI

• 2 × eUSCI_B supporting SPI and I2C

• Pin-remapping capability

• 16-bit CRC hardware

These interfaces allow connection to sensors, memory devices, displays and other embedded peripherals.

Clock & Power Management

The clock system includes:

• 16 MHz digitally controlled oscillator with FLL

• 32 kHz internal REFO oscillator

• 10 kHz very-low-frequency oscillator

• High-frequency modulation oscillator

• External 32 kHz crystal oscillator

• Programmable MCLK prescaler from 1 to 128

• Programmable SMCLK prescaler

The MCU operates from a supply voltage of 1.8 V to 3.6 V.

Low-Power Operation

The MSP430FR2476TRHBR is optimized for battery-powered and energy-sensitive applications.

Typical power characteristics include approximately 135 µA/MHz in active mode, approximately 660 nA in LPM3.5 with the RTC operating from a 32.768 kHz crystal, and approximately 37 nA in LPM4.5 shutdown without SVS.

Power Management

Multiple low-power modes allow the system to balance processing performance and energy consumption. The ultra-low-power MSP430 architecture enables extended battery life in portable sensing and measurement systems.

Security & Data Integrity

The MSP430FR2476TRHBR provides several data-integrity features, including:

• FRAM ECC

• Configurable FRAM write protection

• 16-bit CRC hardware

• Brownout and supply-voltage supervision

• Watchdog timer

These features help improve system reliability and data integrity in embedded applications.

Development & Debugging

The MSP430FR2476TRHBR is supported by TI's MSP430 development ecosystem, including MSP430Ware, Code Composer Studio and MSP430 development hardware.

The LP-MSP430FR2476 LaunchPad development kit and MSP-TS430PT48 target development board provide hardware platforms for evaluation and application development.

Applications

Typical applications include:

• Sensor systems

• Portable measurement equipment

• Battery-powered devices

• Industrial sensing

• Data logging

• Metering equipment

• Low-power monitoring systems

• Consumer electronics

• Building automation

• Embedded control systems

Benefits

• 16 MHz MSP430 16-bit RISC performance

• 64 KB FRAM for nonvolatile program and data storage

• 8 KB SRAM

• FRAM ECC for improved data integrity

• Ultra-low-power architecture

• Integrated 12-bit ADC

• Enhanced comparator with 6-bit DAC

• Multiple timers

• UART, SPI and I2C connectivity

• Integrated RTC counter

• Flexible clock system

• Extended -40°C to +105°C temperature range

• Compact 32-pin VQFN package

Packaging & Ordering Information

• Part Number: MSP430FR2476TRHBR

• Manufacturer: Texas Instruments

• Device Family: MSP430FR2476

• Package: 32-pin VQFN

• Package Code: RHB

• Package Quantity: 3,000 per large tape and reel

• Supply Voltage: 1.8 V to 3.6 V

• Operating Temperature: -40°C to +105°C

• Product Status: ACTIVE

Datasheet

For complete electrical characteristics, pin configuration, memory architecture, ADC specifications, timer configuration, communication interfaces, absolute maximum ratings, and application information, please refer to the official Texas Instruments documentation.

Datasheet: Official MSP430FR2476 Datasheet

Frequently Asked Questions

What is MSP430FR2476TRHBR?

MSP430FR2476TRHBR is a Texas Instruments 16-bit ultra-low-power microcontroller with 64 KB FRAM, 8 KB SRAM, a 12-bit ADC, comparator, timers and UART/SPI/I2C interfaces.

How much FRAM does MSP430FR2476TRHBR have?

The device provides 64 KB of program FRAM plus 512 bytes of information FRAM.

How much SRAM does MSP430FR2476TRHBR have?

The MSP430FR2476 provides 8 KB of SRAM.

What ADC does MSP430FR2476TRHBR use?

It integrates one 12-bit SAR ADC with up to 12 channels and a maximum sample-and-hold rate of 200 ksps.

What package does MSP430FR2476TRHBR use?

MSP430FR2476TRHBR uses a 32-pin VQFN (RHB) package.

What is the operating temperature range?

The specified operating temperature range is -40°C to +105°C.

Is MSP430FR2476TRHBR active?

Yes. Texas Instruments currently lists MSP430FR2476TRHBR as ACTIVE.

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