Overview
The MSP430FR2633IRHBR, produced by Texas Instruments, is a highly advanced microcontroller (MCU) designed for capacitive touch sensing applications. This device is part of the MSP430FR2xx family and features the CapTIvate technology, which enables fast and accurate capacitive touch sensing. The MCU is optimized for ultra-low-power consumption, making it suitable for a wide range of battery-powered and energy-efficient devices.
With its robust set of peripherals and low-power modes, the MSP430FR2633IRHBR is ideal for applications requiring high performance and minimal energy usage. The device supports various operating modes, including active, standby, and several low-power modes, ensuring efficient power management.
Key Specifications
| Specification | Value |
|---|---|
| Program Memory (FRAM) | 16 KB + 512 bytes |
| SRAM | 4 KB |
| Capacitive Touch Channels | 16 channels (supporting up to 64 sensors) |
| Analog-to-Digital Converter (ADC) | 8-channel, 10-bit, 200 ksps |
| Timers | Four 16-bit timers (Timer_A2 and Timer_A3) |
| Serial Communication Interfaces | Two eUSCI_A (UART, IrDA, SPI), One eUSCI_B (SPI, I2C) |
| Clock System | On-chip 32-kHz RC oscillator, 16-MHz DCO, external 32-kHz crystal oscillator |
| Supply Voltage Range | 3.6 V to 1.8 V |
| Active Mode Supply Current | 126 µA/MHz (typical) |
| Low-Power Modes | LPM3.5: 730 nA (typical), LPM4.5: 16 nA (typical) |
| Package Type | VQFN (32 pins), TSSOP (32 pins), DSBGA (24 pins) |
| I/O Pins | 19 I/Os |
Key Features
- CapTIvate Technology: Supports fast electrode scanning with four simultaneous scans, enabling accurate and responsive capacitive touch sensing.
- Ultra-Low-Power Modes: Includes active mode, standby, and low-power modes (LPM3.5 and LPM4.5) to minimize energy consumption.
- High-Performance Analog: Features an 8-channel 10-bit ADC with a sample-and-hold rate of 200 ksps and an internal 1.5-V reference.
- Enhanced Serial Communications: Supports UART, IrDA, SPI, and I2C through two eUSCI_A and one eUSCI_B interfaces.
- Intelligent Digital Peripherals: Includes four 16-bit timers, a 16-bit real-time clock counter, and a 16-bit cyclic redundancy check (CRC).
- Low-Power Ferroelectric RAM (FRAM): Offers up to 15.5 KB of nonvolatile memory with built-in error correction code (ECC) and configurable write protection.
- Wake-on-Touch Capability: Allows the MCU to wake up from low-power modes using the capacitive touch interface.
Applications
- Consumer Electronics: Ideal for touch-enabled devices such as remote controls, thermostats, and home appliances.
- Industrial Automation: Suitable for control panels, sensors, and other touch-sensitive interfaces in industrial settings.
- Medical Devices: Can be used in medical equipment that requires low power consumption and accurate touch sensing.
- Automotive Systems: Applicable in automotive control systems, such as infotainment systems and driver interfaces.
- IoT Devices: Perfect for Internet of Things (IoT) devices that need low power and reliable touch sensing capabilities.
Q & A
- What is the primary technology used in the MSP430FR2633IRHBR for touch sensing?
The primary technology used is CapTIvate, which enables fast and accurate capacitive touch sensing.
- What is the maximum supply voltage for the MSP430FR2633IRHBR?
The maximum supply voltage is 3.6 V.
- How many channels does the ADC support?
The ADC supports 8 channels.
- What are the low-power modes available in the MSP430FR2633IRHBR?
The device supports LPM3.5 and LPM4.5 low-power modes.
- What is the typical current consumption in active mode?
The typical current consumption in active mode is 126 µA/MHz.
- How many I/O pins does the MSP430FR2633IRHBR have?
The device has 19 I/O pins.
- What types of serial communication interfaces are supported?
The device supports UART, IrDA, SPI, and I2C interfaces.
- What is the purpose of the FRAM in the MSP430FR2633IRHBR?
The FRAM provides nonvolatile memory with low-energy fast writes, flexibility, and endurance.
- Can the MCU wake up from low-power modes using touch input?
Yes, the MCU can wake up from low-power modes using the capacitive touch interface.
- What are some common applications for the MSP430FR2633IRHBR?
Common applications include consumer electronics, industrial automation, medical devices, automotive systems, and IoT devices.
