Overview
The MSP430F2274 is a member of the MSP430 family of ultra-low-power microcontrollers from Texas Instruments. This device is designed to provide a powerful and efficient solution for various applications, particularly those requiring low power consumption and advanced analog and digital capabilities. The MSP430F2274 features a 16-bit RISC CPU, multiple peripherals, and a range of power-saving modes, making it ideal for battery-powered devices and other power-sensitive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Type | 16-bit RISC |
| Flash Memory | 32 KB |
| SRAM | 1 KB |
| Analog-to-Digital Converter (ADC) | 10-bit, 200 ksps, 12 channels |
| Operational Amplifiers | 2 configurable OpAmps |
| Timers | 16-bit Timer_A and Timer_B with capture/compare registers |
| Communication Interfaces | UART, SPI, I2C, IrDA |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Mode Power Consumption | 270 µA at 1 MHz, 2.2 V |
| Standby Mode Power Consumption | 0.7 µA |
| Off Mode (RAM Retention) Power Consumption | 0.1 µA |
| Wake-Up Time from Standby | < 1 µs |
| Package Type | 40-pin VQFN (RHA) |
| Operating Temperature Range | -40°C to 105°C |
Key Features
- Ultra-low power consumption with multiple power-saving modes.
- 16-bit RISC architecture with 62.5-ns instruction cycle time.
- Two configurable operational amplifiers (only in MSP430F22x4 devices).
- 10-bit analog-to-digital converter with internal reference, sample-and-hold, autoscan, and data transfer controller.
- Universal serial communication interface supporting UART, SPI, I2C, and IrDA.
- 16-bit timers (Timer_A and Timer_B) with capture/compare registers.
- Brownout detector and ultra-fast wake-up from standby mode in less than 1 µs.
- On-chip emulation module for advanced debugging and programming.
- Available in 38-pin TSSOP, 40-pin QFN, and 49-pin BGA packages.
Applications
The MSP430F2274 is suitable for a variety of applications, including:
- Sensor systems that capture analog signals and convert them to digital values for processing or transmission.
- Stand-alone radio-frequency (RF) sensor front ends.
- Battery-powered devices requiring low power consumption.
- Portable measurement applications where extended battery life is crucial.
- Industrial automation and control systems.
- Medical devices and health monitoring systems.
Q & A
- What is the primary architecture of the MSP430F2274 microcontroller?
The MSP430F2274 features a 16-bit RISC architecture. - What is the flash memory capacity of the MSP430F2274?
The MSP430F2274 has 32 KB of flash memory. - How many operational amplifiers are included in the MSP430F2274?
The MSP430F2274 includes two configurable operational amplifiers. - What are the power consumption levels in different modes for the MSP430F2274?
Active Mode: 270 µA at 1 MHz, 2.2 V; Standby Mode: 0.7 µA; Off Mode (RAM Retention): 0.1 µA. - What is the wake-up time from standby mode for the MSP430F2274?
The wake-up time from standby mode is less than 1 µs. - What communication interfaces are supported by the MSP430F2274?
The MSP430F2274 supports UART, SPI, I2C, and IrDA communication interfaces. - What is the operating temperature range for the MSP430F2274?
The operating temperature range is -40°C to 105°C. - What types of packages are available for the MSP430F2274?
The MSP430F2274 is available in 38-pin TSSOP, 40-pin QFN, and 49-pin BGA packages. - Does the MSP430F2274 have any built-in timers?
Yes, the MSP430F2274 includes 16-bit Timer_A and Timer_B with capture/compare registers. - What is the purpose of the brownout detector in the MSP430F2274?
The brownout detector helps protect the device from voltage drops, ensuring stable operation within the specified voltage range.
