Overview
The Texas Instruments MSP430FR2632IYQWR is a capacitive touch microcontroller (MCU) that integrates the advanced CapTIvate™ touch technology. This MCU is designed for ultra-low-power applications and features a robust set of peripherals and memory options. It is particularly suited for capacitive touch sensing in various consumer and industrial products, offering high reliability and noise immunity.
The MSP430FR2632IYQWR is part of the MSP430FR2xx family, which is known for its low-energy consumption and high-performance analog capabilities. This device is available in a 24-pin DSBGA (YQW) package, making it compact and suitable for space-constrained designs.
Key Specifications
| Parameter | Specification |
|---|---|
| Program FRAM | 8 KB |
| Information FRAM | 512 bytes |
| SRAM | 2 KB |
| CapTIvate Channels | Up to 8 self-capacitive or 16 mutual-capacitive sensors |
| GPIOs | 15 |
| ADC Channels | 8-channel 10-bit ADC |
| Serial Communication Interfaces | Two eUSCI_A (UART, IrDA, SPI), One eUSCI_B (SPI, I2C) |
| Timers | Four 16-bit timers |
| Clock System | On-chip 32-kHz RC oscillator, 16-MHz DCO with FLL, external 32-kHz crystal oscillator |
| Operating Voltage | 3.6 V to 1.8 V |
| Operating Temperature | -40°C to 85°C |
| Package Type | 24-pin DSBGA (YQW) |
Key Features
- CapTIvate Technology: Supports fast electrode scanning, high-resolution sliders, and proximity sensing with increased immunity to environmental noise.
- Ultra-Low-Power Modes: Active mode: 126 µA/MHz, Standby: <5 µA wake-on-touch, LPM3.5 RTC counter: 730 nA, Shutdown (LPM4.5): 16 nA.
- High-Performance Analog: 8-channel 10-bit ADC, internal 1.5-V reference, sample-and-hold 200 ksps.
- Enhanced Serial Communications: Two eUSCI_A (UART, IrDA, SPI), one eUSCI_B (SPI, I2C).
- Intelligent Digital Peripherals: Four 16-bit timers, 16-bit cyclic redundancy check (CRC), 16-bit real-time clock (RTC).
- Low-Power Ferroelectric RAM (FRAM): Up to 15.5 KB of nonvolatile memory, built-in error correction code (ECC), configurable write protection.
Applications
- Electronic Smart Locks and Door Key Pads: Secure and reliable touch interfaces for home security systems.
- Garage Door Systems: Touch-sensitive controls for garage door openers and related systems.
- Intrusion HMI Key Pads and Control Panels: User-friendly and secure interfaces for security systems.
- Motorized Window Blinds: Touch controls for automated window blinds.
- Remote Controls and Personal Electronics: Touch interfaces for remote controls, wireless speakers, headsets, and handheld video game controllers.
- White Goods and Small Appliances: Touch controls for various household appliances.
- Garden and Power Tools: Durable and reliable touch interfaces for outdoor and power tools.
Q & A
- What is the primary technology used in the MSP430FR2632IYQWR for touch sensing?
The primary technology used is CapTIvate™, which is a capacitive touch sensing technology.
- How much program FRAM does the MSP430FR2632IYQWR have?
The MSP430FR2632IYQWR has 8 KB of program FRAM.
- What is the maximum number of self-capacitive sensors supported by the MSP430FR2632IYQWR?
The device supports up to 8 self-capacitive sensors or 16 mutual-capacitive sensors.
- What are the power consumption characteristics of the MSP430FR2632IYQWR in different modes?
The device consumes 126 µA/MHz in active mode, <5 µA in standby with wake-on-touch, 730 nA in LPM3.5 RTC counter mode, and 16 nA in shutdown (LPM4.5) mode.
- What types of serial communication interfaces are available on the MSP430FR2632IYQWR?
The device features two eUSCI_A interfaces (UART, IrDA, SPI) and one eUSCI_B interface (SPI, I2C).
- What is the operating voltage range of the MSP430FR2632IYQWR?
The operating voltage range is from 3.6 V to 1.8 V.
- What is the package type and pin count of the MSP430FR2632IYQWR?
The device is available in a 24-pin DSBGA (YQW) package.
- What are some of the key applications of the MSP430FR2632IYQWR?
Key applications include electronic smart locks, garage door systems, intrusion HMI key pads, motorized window blinds, remote controls, personal electronics, and various household appliances.
- Does the MSP430FR2632IYQWR support any specific standards for household appliances?
- What development tools are available for the MSP430FR2632IYQWR?
Development tools include the MSP CapTIvate MCU development kit, CAPTIVATE-PGMR programmer, and the CapTIvate Design Center for code generation and real-time tuning.
