Overview
The MSP430FR2476TPTR from Texas Instruments is a member of the MSP430™ MCU value line portfolio, designed for ultra-low-power and low-cost sensing and measurement applications. This 16-bit RISC microcontroller features a powerful CPU, 16-bit registers, and constant generators that optimize code efficiency. It is particularly suited for applications requiring extended battery life and robust performance in a small form factor.
The device integrates various peripherals, including timers, serial communication interfaces, a 12-bit analog-to-digital converter (ADC), and an enhanced comparator. The MSP430FR2476TPTR also supports an extended temperature range from –40°C to 105°C, making it suitable for higher temperature industrial applications.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Type | 16-bit RISC |
| Clock Frequency | Up to 16 MHz |
| Supply Voltage Range | 3.6 V to 1.8 V |
| Memory | 64KB FRAM, 512B Information FRAM, 8KB RAM |
| ADC Resolution | 12-bit SAR ADC with up to 12 channels |
| Timers | Four 16-bit timers with three capture/compare registers each (Timer_A3), One 16-bit timer with seven capture/compare registers (Timer_B7) |
| Serial Communication | Two eUSCI_A (UART, IrDA, SPI), Two eUSCI_B (SPI, I2C) |
| Comparator | One enhanced comparator (eCOMP) |
| DAC | Integrated 6-bit DAC as reference voltage |
| Operating Temperature Range | –40°C to 105°C |
| Package Options | 48-pin LQFP (PT), 40-pin VQFN (RHA), 32-pin VQFN (RHB) |
Key Features
- Ultra-low-power modes: Active mode (135 µA/MHz typical), Standby (LPM3.5: 660 nA typical), Shutdown (LPM4.5: 37 nA without SVS)
- Low-power ferroelectric RAM (FRAM): Up to 64KB of nonvolatile memory, built-in error correction code (ECC), configurable write protection
- Intelligent digital peripherals: Timers, counters, and serial communication interfaces
- High-performance analog: 12-bit ADC, enhanced comparator, integrated 6-bit DAC
- Clock system: On-chip 32-kHz RC oscillator, 16-MHz digitally controlled oscillator (DCO), external 32-kHz crystal oscillator
- General input/output and pin functionality: 43 I/Os on LQFP-48 package, all GPIOs can wake MCU from low-power modes
- Development tools and software: Target development board MSP‑TS430PT48A, LaunchPad™ development kit LP‑MSP430FR2476
Applications
- Small form factor industrial sensors
- Low-power medical, health, and fitness devices
- Battery packs
- EPOS (Electronic Point of Sale) systems
- Appliances
- Thermostats
- Electric toothbrushes
- PC accessories
Q & A
- What is the maximum operating temperature of the MSP430FR2476TPTR?
The maximum operating temperature is 105°C.
- What is the supply voltage range for the MSP430FR2476TPTR?
The supply voltage range is from 3.6 V down to 1.8 V.
- How much nonvolatile memory does the MSP430FR2476TPTR have?
The device has up to 64KB of nonvolatile FRAM.
- What types of serial communication interfaces are supported by the MSP430FR2476TPTR?
The device supports UART, IrDA, SPI, and I2C through its eUSCI_A and eUSCI_B interfaces.
- What is the resolution of the ADC in the MSP430FR2476TPTR?
The ADC has a 12-bit SAR resolution with up to 12 channels.
- What are the package options available for the MSP430FR2476TPTR?
The device is available in 48-pin LQFP (PT), 40-pin VQFN (RHA), and 32-pin VQFN (RHB) packages.
- What are the ultra-low-power modes supported by the MSP430FR2476TPTR?
The device supports Active mode, Standby (LPM3.5), and Shutdown (LPM4.5) modes.
- Does the MSP430FR2476TPTR have any built-in clock oscillators?
Yes, it includes on-chip 32-kHz RC oscillator, 16-MHz DCO, and external 32-kHz crystal oscillator options.
- Can all GPIOs wake the MCU from low-power modes?
Yes, all GPIOs feature the pin interrupt function and can wake the MCU from all low-power modes.
- What development tools are available for the MSP430FR2476TPTR?
Development tools include the target development board MSP‑TS430PT48A and the LaunchPad™ development kit LP‑MSP430FR2476.
