Overview
The Texas Instruments MSP430G2131IPW14 is a member of the MSP430G2x31 family of ultra-low-power mixed signal microcontrollers. This device is designed to optimize power consumption, making it ideal for battery-powered and low-cost sensor systems. The MSP430G2131IPW14 features a powerful 16-bit RISC CPU, low-power modes, and integrated peripherals such as a 10-bit ADC, timers, and serial communication interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Type | 16-bit RISC |
| Flash Memory | 1 KB (1K x 8) |
| SRAM | 128 bytes |
| ADC Resolution | 10-bit, 200 ksps |
| Timer | 16-bit Timer_A with two capture/compare registers |
| Serial Interface | SPI, I2C (USI module) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Operating Frequency | Up to 16 MHz |
| Package Type | 14-pin Plastic Small-Outline Thin Package (TSSOP) |
| Low-Power Modes | Five software-selectable low-power modes |
| Wake-Up Time from Standby | Less than 1 µs |
Key Features
- Ultra-low power consumption: Active mode - 220 µA at 1 MHz, 2.2 V; Standby mode - 0.5 µA; Off mode (RAM retention) - 0.1 µA
- 10-bit ADC with internal reference, sample-and-hold, and autoscan
- 16-bit RISC CPU with 16 registers and 62.5-ns instruction cycle time
- Universal Serial Interface (USI) supporting SPI and I2C protocols
- Brownout detector and internal very low power low-frequency oscillator
- Serial onboard programming with no external programming voltage needed
- Programmable code protection by security fuse
- Edge-selectable interrupt input capability for all I/O pins
Applications
The MSP430G2131IPW14 is suitable for a variety of applications, including low-cost sensor systems, battery-powered devices, and portable measurement systems. It is particularly useful in scenarios where analog signals need to be captured, converted to digital values, and then processed or transmitted to a host system.
Q & A
- What is the primary architecture of the MSP430G2131IPW14?
The MSP430G2131IPW14 features a 16-bit RISC CPU architecture. - What is the flash memory capacity of the MSP430G2131IPW14?
The flash memory capacity is 1 KB (1K x 8). - What types of serial interfaces are supported by the MSP430G2131IPW14?
The device supports SPI and I2C protocols through the Universal Serial Interface (USI) module. - What is the resolution and sampling rate of the ADC in the MSP430G2131IPW14?
The ADC has a 10-bit resolution and a sampling rate of up to 200 ksps. - What are the low-power modes available in the MSP430G2131IPW14?
The device has five software-selectable low-power modes. - How quickly can the MSP430G2131IPW14 wake up from standby mode?
The device can wake up from standby mode in less than 1 µs. - What is the supply voltage range for the MSP430G2131IPW14?
The supply voltage range is from 1.8 V to 3.6 V. - What type of package is the MSP430G2131IPW14 available in?
The device is available in a 14-pin Plastic Small-Outline Thin Package (TSSOP). - Does the MSP430G2131IPW14 have any built-in protection mechanisms?
Yes, it includes a brownout detector and internal very low power low-frequency oscillator. - How is the flash memory programmed in the MSP430G2131IPW14?
The flash memory can be programmed via the Spy-Bi-Wire/JTAG port or in-system by the CPU.
