Overview
The Texas Instruments MSP430F249TPMR is a member of the MSP430 family of ultra-low power microcontrollers. This device is designed to optimize power consumption and achieve extended battery life, making it ideal for various portable and industrial applications. The MSP430F249TPMR features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. It also includes several low-power modes and a calibrated digitally controlled oscillator (DCO) that allows for fast wake-up from low-power modes to active mode in less than 1 µs.
Key Specifications
| Specification | Detail |
|---|---|
| Microcontroller Type | 16-bit RISC MCU |
| Operating Frequency | Up to 16 MHz |
| Flash Memory | 60KB + 256B |
| SRAM | 2KB |
| Analog-to-Digital Converter (ADC) | 12-Bit with internal reference, sample-and-hold, and autoscan feature |
| Timers | 16-Bit Timer_A with three capture/compare registers, 16-Bit Timer_B with seven capture/compare with shadow registers |
| Serial Communication Interfaces | Four Universal Serial Communication Interfaces (USCI): USCI_A0, USCI_A1, USCI_B0, USCI_B1 supporting UART, I2C, SPI |
| Comparator | On-chip comparator |
| Supply Voltage | 1.8 V to 3.6 V |
| Package Type | LQFP (PM) with 64 pins |
| Operating Temperature Range | -40°C to 105°C |
Key Features
- Ultra-low power consumption: Active mode - 270 µA at 1 MHz, 2.2 V; Standby mode (VLO) - 0.3 µA; Off mode (RAM retention) - 0.1 µA.
- Fast wake-up from standby mode in less than 1 µs.
- Internal frequencies up to 16 MHz with four calibrated frequencies to ±1%.
- Internal very low-power LF oscillator and 32-kHz crystal.
- Enhanced UART supporting auto-baudrate detection, IrDA encoder and decoder, and synchronous SPI.
- Supply voltage supervisor/monitor with programmable level detection and brownout detector.
- Bootstrap loader and serial onboard programming without external programming voltage.
Applications
The MSP430F249TPMR is suitable for a variety of applications, including sensor systems, industrial control applications, and hand-held meters. Its ultra-low power consumption and fast wake-up capabilities make it particularly useful in battery-powered devices and other applications where power efficiency is crucial.
Q & A
- What is the operating frequency range of the MSP430F249TPMR? The operating frequency range is up to 16 MHz.
- How much flash memory does the MSP430F249TPMR have? The device has 60KB + 256B of flash memory.
- What is the SRAM capacity of the MSP430F249TPMR? The SRAM capacity is 2KB.
- What types of serial communication interfaces are supported by the MSP430F249TPMR? The device supports UART, I2C, and SPI through four Universal Serial Communication Interfaces (USCI).
- What is the supply voltage range for the MSP430F249TPMR? The supply voltage range is from 1.8 V to 3.6 V.
- What is the package type and pin count of the MSP430F249TPMR? The package type is LQFP (PM) with 64 pins.
- What are the key power consumption modes of the MSP430F249TPMR? The key power consumption modes include Active mode, Standby mode (VLO), and Off mode (RAM retention), with consumption as low as 0.1 µA in Off mode.
- Does the MSP430F249TPMR support fast wake-up from low-power modes? Yes, it supports ultra-fast wake-up from standby mode in less than 1 µs.
- What are some typical applications for the MSP430F249TPMR? Typical applications include sensor systems, industrial control applications, and hand-held meters.
- Does the MSP430F249TPMR have onboard programming capabilities? Yes, it supports serial onboard programming without the need for an external programming voltage.
