Overview
The Texas Instruments MSP430F149IRTDT is a member of the MSP430 family of ultra-low-power microcontrollers. This device is designed to provide high performance and low power consumption, making it ideal for battery-powered and energy-efficient applications. The MSP430F149 features a 16-bit RISC CPU, 60KB of flash memory, and 2KB of SRAM. It also includes a range of peripherals such as a 12-bit analog-to-digital converter (ADC), two USARTs, and multiple timers. The device operates within a supply voltage range of 1.8V to 3.6V and supports five power-saving modes to extend battery life in portable measurement applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Texas Instruments |
| Series | MSP430F149 |
| CPU | 16-Bit RISC |
| Frequency | Up to 8 MHz |
| Flash Memory | 60 KB |
| RAM | 2 KB |
| ADC | 12-bit, 8 channels |
| USARTs | 2 |
| Timers | 2 x 16-bit Timer_B, 1 x 16-bit Timer_A |
| GPIO Pins | 48 |
| Supply Voltage | 1.8V to 3.6V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | VQFN (RTD) with 64 pins |
| Active Power Consumption | 280 µA at 1 MHz, 2.2 V |
| Standby Power Consumption | 1.6 µA |
Key Features
- Ultra-low power consumption with five power-saving modes: Active, LPM0, LPM1, LPM2, LPM3, and LPM4.
- Low supply voltage range: 1.8V to 3.6V.
- 16-bit RISC CPU with 125-ns instruction cycle time.
- 12-bit analog-to-digital converter (ADC) with internal reference, sample-and-hold, and autoscan feature.
- Two USARTs (USART0, USART1) for serial communication.
- On-chip comparator and hardware multiplier.
- Serial onboard programming with no external programming voltage needed.
- Programmable code protection by security fuse.
- Fast wake-up from standby mode in less than 6 µs.
Applications
The MSP430F149 is suitable for a variety of applications that require low power consumption and high performance. These include:
- Battery-powered devices such as smart meters, wireless sensors, and portable medical devices.
- Energy-efficient industrial control systems.
- Automotive systems requiring low power and high reliability.
- Consumer electronics that need to minimize power consumption.
- IoT devices that require efficient energy use.
Q & A
- What is the maximum frequency of the MSP430F149?
The maximum frequency of the MSP430F149 is 8 MHz.
- How much flash memory does the MSP430F149 have?
The MSP430F149 has 60 KB of flash memory.
- What is the resolution of the ADC on the MSP430F149?
The ADC on the MSP430F149 has a resolution of 12 bits.
- How many USARTs are available on the MSP430F149?
The MSP430F149 has two USARTs (USART0 and USART1).
- What is the operating temperature range of the MSP430F149?
The operating temperature range of the MSP430F149 is -40°C to 85°C.
- What is the typical active power consumption of the MSP430F149?
The typical active power consumption of the MSP430F149 is 280 µA at 1 MHz, 2.2 V.
- How many power-saving modes does the MSP430F149 support?
The MSP430F149 supports five power-saving modes: LPM0, LPM1, LPM2, LPM3, and LPM4.
- What is the wake-up time from standby mode for the MSP430F149?
The wake-up time from standby mode for the MSP430F149 is less than 6 µs.
- Does the MSP430F149 support serial onboard programming?
Yes, the MSP430F149 supports serial onboard programming with no external programming voltage needed.
- What type of package is the MSP430F149IRTDT available in?
The MSP430F149IRTDT is available in a VQFN (RTD) package with 64 pins.
