Overview
The MSP430FR2155TRHAR is a 16-bit ultra-low-power microcontroller from Texas Instruments, part of the MSP430™ FRAM family. This device is designed for sensing and measurement applications, offering a balance of low power consumption, high performance, and robust features. It features a 16-bit RISC CPU, up to 24 MHz clock speed, and an extended temperature range from –40°C to 105°C, making it suitable for a variety of industrial and consumer applications. The MSP430FR2155TRHAR integrates 32KB of nonvolatile FRAM, 4KB of SRAM, and a range of analog and digital peripherals, including a 12-bit ADC, comparators, and serial communication interfaces.
Key Specifications
| Attribute Name | Attribute Value |
|---|---|
| Manufacturer | Texas Instruments |
| Series | MSP430™ FRAM |
| Core Processor | MSP430 CPU16 |
| Core Size | 16-Bit |
| Speed | 24 MHz |
| Program Memory Size | 32 KB (32K x 8) FRAM |
| RAM Size | 4 KB (4K x 8) SRAM |
| Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature | –40°C to 105°C |
| Package Type | 40-VQFN (6x6) |
| Number of I/Os | 36 |
| ADC Resolution | 12-bit SAR, 12 channels |
| Comparator Channels | 2 |
| Timers/Counters | 4 timers |
| Interface Type | I2C, IrDA, SPI, UART |
Key Features
- Ultra-Low Power Modes: Active mode: 142 µA/MHz, Standby (LPM3): 1.43 µA, Shutdown (LPM4.5): 42 nA.
- FRAM Technology: 32KB of nonvolatile FRAM with built-in error correction code (ECC) and configurable write protection.
- Analog Peripherals: 12-bit SAR ADC, two enhanced comparators, and a 6-bit digital-to-analog converter (DAC).
- Digital Peripherals: Three 16-bit timers with capture/compare registers, one 16-bit real-time clock counter, and a 16-bit cyclic redundancy checker (CRC).
- Serial Communication: I2C, IrDA, SPI, and UART interfaces.
- Extended Temperature Range: –40°C to 105°C, suitable for industrial applications.
- Development Support: Extensive hardware and software ecosystem, including the MSP-EXP430FR2355 LaunchPad development kit and MSP430Ware software.
Applications
- Sensing and Measurement: Ideal for applications requiring precise analog measurements and low power consumption.
- Industrial Automation: Suitable for high-temperature industrial applications such as smoke detectors, sensor transmitters, and circuit breakers.
- Consumer Electronics: Can be used in various consumer devices that require low power and robust analog capabilities.
- IoT Devices: Appropriate for Internet of Things (IoT) applications due to its low power modes and efficient performance.
Q & A
- What is the maximum clock frequency of the MSP430FR2155TRHAR?
The maximum clock frequency is 24 MHz.
- What type of memory does the MSP430FR2155TRHAR use?
The device uses 32KB of nonvolatile FRAM and 4KB of SRAM.
- What is the operating temperature range of the MSP430FR2155TRHAR?
The operating temperature range is from –40°C to 105°C.
- What are the power consumption characteristics of the MSP430FR2155TRHAR?
Active mode: 142 µA/MHz, Standby (LPM3): 1.43 µA, Shutdown (LPM4.5): 42 nA.
- What analog peripherals are included in the MSP430FR2155TRHAR?
The device includes a 12-bit SAR ADC, two enhanced comparators, and a 6-bit DAC.
- What development tools are available for the MSP430FR2155TRHAR?
Development kits include the MSP-EXP430FR2355 LaunchPad and the MSP-TS430PT48 target development board, along with MSP430Ware software.
- What is the package type of the MSP430FR2155TRHAR?
The package type is 40-VQFN (6x6).
- How many I/O pins does the MSP430FR2155TRHAR have?
The device has 36 I/O pins.
- What serial communication interfaces are supported by the MSP430FR2155TRHAR?
The device supports I2C, IrDA, SPI, and UART interfaces.
- Is the MSP430FR2155TRHAR RoHS compliant?
