Overview
The Texas Instruments MSP430F2274IRHAR is an ultra-low-power mixed signal microcontroller from the MSP430 family. This device is designed for applications requiring low power consumption and high performance. It features a 16-bit RISC CPU, 32KB of flash memory, and 1KB of SRAM. The MSP430F2274IRHAR is part of the MSP430F22x4 series, which includes various peripherals such as two 16-bit timers, a universal serial communication interface, a 10-bit A/D converter, and two general-purpose operational amplifiers. The device is optimized for extended battery life in portable measurement applications and supports multiple low-power modes.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | VQFN-40 |
| Pins | 40 |
| Operating Temperature Range (°C) | -40 to 85 |
| Supply Voltage Range (V) | 1.8 to 3.6 |
| Flash Memory (KB) | 32 |
| SRAM (KB) | 1 |
| ADC Resolution | 10-bit, 12 channels |
| Timers - 16-bit | 2 (Timer_A and Timer_B) |
| Serial Communication Interfaces | UART, SPI, I2C |
| Operational Amplifiers | 2 general-purpose OpAmps |
| Active Power Consumption (µA/MHz) | 270 at 1 MHz, 2.2 V |
| Standby Power Consumption (µA) | 0.7 |
| Wake-Up Time from Standby (µs) | < 1 µs |
Key Features
- Ultra-low power consumption with active mode at 270 µA at 1 MHz, 2.2 V, and standby mode at 0.7 µA.
- 16-bit RISC CPU with 62.5-ns instruction cycle time and internal frequencies up to 16 MHz.
- Two 16-bit timers (Timer_A and Timer_B) with three capture/compare registers each.
- Universal serial communication interface supporting UART, SPI, and I2C.
- 10-bit A/D converter with internal reference, sample-and-hold, autoscan, and data transfer controller.
- Two general-purpose operational amplifiers.
- Brownout detector and serial onboard programming with no external programming voltage needed.
- Ultra-fast wake-up from standby mode in less than 1 µs.
Applications
The MSP430F2274IRHAR is suitable for various applications requiring low power and high performance. Typical applications include:
- Sensor systems that capture analog signals, convert them to digital values, and process the data for display or transmission to a host system.
- Stand-alone radio-frequency (RF) sensor front ends.
- Portable measurement devices where extended battery life is crucial.
Q & A
- What is the MSP430F2274IRHAR?
The MSP430F2274IRHAR is an ultra-low-power mixed signal microcontroller from the MSP430 family by Texas Instruments.
- What are the key features of the MSP430F2274IRHAR?
Key features include ultra-low power consumption, a 16-bit RISC CPU, two 16-bit timers, a universal serial communication interface, a 10-bit A/D converter, and two general-purpose operational amplifiers.
- What is the package type and pin count of the MSP430F2274IRHAR?
The package type is VQFN-40 with 40 pins.
- What is the operating temperature range of the MSP430F2274IRHAR?
The operating temperature range is -40°C to 85°C.
- What are the memory specifications of the MSP430F2274IRHAR?
The device has 32KB of flash memory and 1KB of SRAM.
- What serial communication interfaces does the MSP430F2274IRHAR support?
The device supports UART, SPI, and I2C interfaces.
- How much power does the MSP430F2274IRHAR consume in active and standby modes?
In active mode, it consumes 270 µA at 1 MHz, 2.2 V, and in standby mode, it consumes 0.7 µA.
- What is the wake-up time from standby mode for the MSP430F2274IRHAR?
The wake-up time from standby mode is less than 1 µs.
- What are typical applications for the MSP430F2274IRHAR?
Typical applications include sensor systems, stand-alone RF sensor front ends, and portable measurement devices.
- Is the MSP430F2274IRHAR RoHS compliant?
Yes, the MSP430F2274IRHAR is RoHS compliant.
