Overview
The MSP430G2231IPW14R is an ultralow-power mixed signal microcontroller produced by Texas Instruments. This microcontroller is part of the MSP430 family and is known for its low power consumption and versatile features. It is widely used in various applications requiring low power and high performance.
The MSP430G2231IPW14R is often integrated into development boards such as the MSP430-HG2231 and MSP430-PG2231 from Olimex, which provide additional features like JTAG interfaces, status LEDs, and extension headers for easy prototyping and development.
Key Specifications
| Specification | Details |
|---|---|
| Microcontroller Type | MSP430G2231IPW14R |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Mode Power Consumption | 220 μA at 1 MHz, 2.2 V |
| Standby Mode Power Consumption | 0.5 μA |
| Off Mode (RAM Retention) Power Consumption | 0.1 μA |
| Instruction Cycle Time | 62.5 ns |
| Internal Frequencies | Up to 16 MHz with one calibrated frequency |
| Oscillator | Internal Very Low Power Low-Frequency (LF) Oscillator, 32-kHz Crystal |
| Timer | 16-Bit Timer_A with two capture/compare registers |
| Communication Interfaces | Universal Serial Interface (USI) supporting SPI and I2C |
| A/D Converter | 10-Bit 200-ksps A/D Converter with internal reference, sample-and-hold, and autoscan |
| Package Type | TSSOP-14 |
Key Features
- Ultra-low power consumption with five power-saving modes
- Ultra-fast wake-up from standby mode in less than 1 μs
- 16-Bit RISC architecture with a 62.5-ns instruction cycle time
- Internal frequencies up to 16 MHz with one calibrated frequency
- Internal Very Low Power Low-Frequency (LF) Oscillator and 32-kHz Crystal
- 16-Bit Timer_A with two capture/compare registers
- Universal Serial Interface (USI) supporting SPI and I2C
- Brownout detector
- 10-Bit 200-ksps A/D Converter with internal reference, sample-and-hold, and autoscan
- Serial onboard programming, no external programming voltage needed, programmable code protection by security fuse
- On-chip emulation logic with Spy-Bi-Wire interface
Applications
The MSP430G2231IPW14R microcontroller is suitable for a wide range of applications that require low power consumption and high performance. These include:
- Energy harvesting and battery-powered devices
- Sensor networks and IoT devices
- Medical devices and portable health monitors
- Automotive and industrial control systems
- Smart home and building automation
- Wearable technology and fitness trackers
Q & A
- What is the supply voltage range of the MSP430G2231IPW14R?
The supply voltage range is from 1.8 V to 3.6 V.
- What are the power consumption levels in different modes?
Active Mode: 220 μA at 1 MHz, 2.2 V; Standby Mode: 0.5 μA; Off Mode (RAM Retention): 0.1 μA.
- What communication interfaces does the MSP430G2231IPW14R support?
The microcontroller supports SPI and I2C through the Universal Serial Interface (USI).
- What type of A/D converter does the MSP430G2231IPW14R have?
The microcontroller features a 10-Bit 200-ksps A/D Converter with internal reference, sample-and-hold, and autoscan.
- What is the instruction cycle time of the MSP430G2231IPW14R?
The instruction cycle time is 62.5 ns.
- Does the MSP430G2231IPW14R support on-chip emulation?
Yes, it supports on-chip emulation logic with Spy-Bi-Wire interface.
- What is the package type of the MSP430G2231IPW14R?
The package type is TSSOP-14.
- Can the MSP430G2231IPW14R be programmed onboard?
Yes, it supports serial onboard programming without the need for an external programming voltage.
- What are some common applications of the MSP430G2231IPW14R?
Common applications include energy harvesting devices, sensor networks, medical devices, automotive systems, and smart home devices.
- Is the MSP430G2231IPW14R ROHS compliant?
Yes, the MSP430G2231IPW14R is ROHS compliant.
