Overview
The MSP430FR2675TRHBR is an ultra-low-power microcontroller from Texas Instruments, part of the MSP430FR267x family. This device is designed for capacitive touch sensing applications and features TI's CapTIvate touch technology. It is optimized for low-power consumption, making it suitable for battery-powered devices and applications requiring extended battery life. The microcontroller integrates a powerful 16-bit RISC CPU, extensive low-power modes, and a range of peripherals to support various applications.
Key Specifications
| Specification | Details |
|---|---|
| Microcontroller Type | 16-bit RISC CPU |
| Program FRAM + Information FRAM | 32 KB + 0.5 KB |
| SRAM | 6 KB |
| Timers | Four 16-bit timers with three capture/compare registers each (Timer_A3), one 16-bit timer with seven capture/compare registers (Timer_B7) |
| ADC | 12-bit, up to 12 channels, single-ended |
| CapTIvate Technology | Supports up to 16 self-capacitive and 64 mutual-capacitive sensors |
| Serial Communication | Two eUSCI_A (UART, IrDA, SPI), two eUSCI_B (SPI, I2C) |
| Clock System | On-chip 32-kHz RC oscillator (REFO), on-chip 16-MHz DCO with FLL, on-chip 10-kHz VLO, on-chip high-frequency MODOSC |
| Package | 32-pin VQFN (RHB), 5 mm × 5 mm |
| GPIOs | 27 GPIOs |
Key Features
- Ultra-low-power consumption with multiple low-power modes (LPM0, LPM3, LPM4)
- CapTIvate touch technology supporting concurrent self-capacitance and mutual-capacitance electrodes
- High-performance analog peripherals including a 12-bit ADC and an enhanced comparator with a 6-bit DAC
- Extensive digital peripherals including timers, counters, and serial communication interfaces
- Integrated clock system with on-chip oscillators and frequency-locked loop (FLL)
- Support for pin remap feature and programmable high-power and low-power modes
- All GPIOs feature pin interrupt function and can wake the MCU from all low-power modes
Applications
- Major appliances
- Intrusion HMI keypads and control panels
- Electronic smart locks, door keypads, and readers
- Garage door systems
- Motorized window blinds
- Remote controls
- Personal electronics
- Wireless speakers and headsets
- Handheld video game controllers
- A/V receivers
- White goods
- Garden and power tools
Q & A
- What is the primary application of the MSP430FR2675TRHBR microcontroller?
The primary application is capacitive touch sensing, particularly for buttons, slides, wheels, and proximity detection.
- What is the memory configuration of the MSP430FR2675TRHBR?
The device features 32 KB of program FRAM, 0.5 KB of information FRAM, and 6 KB of SRAM.
- What types of timers are available on the MSP430FR2675TRHBR?
The device includes four 16-bit timers with three capture/compare registers each (Timer_A3) and one 16-bit timer with seven capture/compare registers (Timer_B7).
- What is the resolution of the ADC on the MSP430FR2675TRHBR?
The ADC is 12-bit with up to 12 single-ended channels.
- What is the CapTIvate technology, and what does it support?
CapTIvate technology supports concurrent self-capacitance and mutual-capacitance electrodes, allowing for up to 16 self-capacitive and 64 mutual-capacitive sensors.
- What are the available serial communication interfaces on the MSP430FR2675TRHBR?
The device includes two eUSCI_A (UART, IrDA, SPI) and two eUSCI_B (SPI, I2C) interfaces.
- What are the low-power modes available on the MSP430FR2675TRHBR?
The device supports multiple low-power modes including LPM0, LPM3, and LPM4.
- What is the package type and size of the MSP430FR2675TRHBR?
The device is available in a 32-pin VQFN (RHB) package, measuring 5 mm × 5 mm.
- How many GPIOs are available on the MSP430FR2675TRHBR?
The device features 27 GPIOs.
- What development tools and software are available for the MSP430FR2675TRHBR?
Texas Instruments provides the MSP-CAPT-FR2633 CapTIvate Technology Development Kit, CapTIvate Design Center software, and comprehensive documentation including the CapTIvate Technology Guide and MSP430Ware software.
