Overview
The Texas Instruments MSP430F149IRTDR is a member of the MSP430 family of ultra-low-power microcontrollers (MCUs). This device is designed to optimize power consumption, making it ideal for applications requiring extended battery life. The MSP430F149IRTDR features a powerful 16-bit RISC CPU with 16-bit registers and constant generators, ensuring maximum code efficiency. The microcontroller supports five low-power modes and can wake up from standby mode to active mode in less than 6 µs, thanks to its digitally controlled oscillator (DCO).
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Texas Instruments |
| Series | MSP430F149 |
| Package Type | VQFNP (RTD) |
| Pins | 64 |
| Operating Temperature Range (°C) | -40 to 85 |
| Supply Voltage Range (V) | 1.8 to 3.6 |
| Active Power Consumption (µA/MHz) | 280 at 1 MHz, 2.2 V |
| Standby Power Consumption (µA) | 1.6 |
| Off Mode Power Consumption (µA) | 0.1 |
| Flash Memory (KB) | 60 |
| RAM (KB) | 2 |
| ADC Resolution | 12-bit |
| Timers | Two 16-bit timers (Timer_A and Timer_B) |
| USARTs | Two |
| Comparator | Yes |
| Wakeup Time from Standby (µs) | Less than 6 |
Key Features
- Low Supply Voltage Range: 1.8 V to 3.6 V
- Ultra-Low Power Consumption with five power-saving modes
- 16-Bit RISC Architecture with 125-ns instruction cycle time
- 12-Bit Analog-to-Digital Converter (ADC) with internal reference, sample-and-hold, and autoscan feature
- 16-Bit Timer_B with seven capture/compare-with-shadow registers and 16-Bit Timer_A with three capture/compare registers
- On-chip comparator and hardware multiplier
- Serial Onboard Programming with no external programming voltage needed and programmable code protection by security fuse
- Two USARTs (USART0 and USART1) functioning as asynchronous UART or synchronous SPI interface
- Wakeup from standby mode to active mode in less than 6 µs
Applications
- Sensor Systems
- Industrial Controls
- Hand-Held Meters
- Portable Measurement Applications
Q & A
- What is the supply voltage range of the MSP430F149IRTDR?
The supply voltage range is 1.8 V to 3.6 V.
- How much power does the MSP430F149IRTDR consume in active mode?
The active power consumption is 280 µA at 1 MHz, 2.2 V.
- What is the standby power consumption of the MSP430F149IRTDR?
The standby power consumption is 1.6 µA.
- How much flash memory and RAM does the MSP430F149IRTDR have?
The device has 60 KB of flash memory and 2 KB of RAM.
- What type of ADC does the MSP430F149IRTDR feature?
The device features a 12-bit Analog-to-Digital Converter (ADC) with internal reference, sample-and-hold, and autoscan feature.
- How many USARTs does the MSP430F149IRTDR have?
The device has two USARTs (USART0 and USART1).
- What is the operating temperature range of the MSP430F149IRTDR?
The operating temperature range is -40°C to 85°C.
- How quickly can the MSP430F149IRTDR wake up from standby mode?
The device can wake up from standby mode to active mode in less than 6 µs.
- What types of timers are available on the MSP430F149IRTDR?
The device features two 16-bit timers: Timer_A and Timer_B.
- Does the MSP430F149IRTDR have a hardware multiplier?
Yes, the device includes a hardware multiplier.
- What are some common applications for the MSP430F149IRTDR?
Common applications include sensor systems, industrial controls, hand-held meters, and portable measurement applications.
