Overview
The Texas Instruments MSP430G2131IPW14R is a member of the MSP430 family of ultra-low-power microcontrollers. This device is designed for low-cost sensor systems and other applications requiring efficient power management and robust peripheral capabilities. The MSP430G2131IPW14R features a 16-bit RISC CPU, 1 KB of flash memory, and 128 bytes of SRAM. It operates within a supply voltage range of 1.8 V to 3.6 V, making it suitable for battery-powered devices. The microcontroller includes a 10-bit analog-to-digital converter (ADC), a universal serial interface (USI) supporting SPI and I2C protocols, and a 16-bit timer with capture/compare registers.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Type | 16-bit RISC |
| Flash Memory | 1 KB |
| SRAM | 128 bytes |
| Supply Voltage Range | 1.8 V to 3.6 V |
| ADC Resolution | 10-bit |
| ADC Channels | 8 channels |
| Timer | 16-bit Timer_A with two capture/compare registers |
| Serial Interface | USI supporting SPI and I2C |
| Package Type | 14-pin Plastic Small-Outline Thin Package (TSSOP) |
| Operating Frequency | Up to 16 MHz |
| Power Consumption (Active Mode) | 220 µA at 1 MHz, 2.2 V |
| Power Consumption (Standby Mode) | 0.5 µA |
| Wake-Up Time from Standby | Less than 1 µs |
Key Features
- Ultra-low power consumption with five power-saving modes.
- 16-bit RISC CPU with 16-bit registers and constant generators for maximum code efficiency.
- 10-bit ADC with internal reference, sample-and-hold, and autoscan capabilities.
- Universal Serial Interface (USI) supporting SPI and I2C protocols.
- 16-bit Timer_A with two capture/compare registers.
- Brownout detector and ultra-fast wake-up from standby mode in less than 1 µs.
- Serial onboard programming with no external programming voltage needed.
- Programmable code protection by security fuse.
- Internal very low power low-frequency oscillator and external digital clock source.
- On-chip emulation logic with Spy-Bi-Wire interface.
Applications
The MSP430G2131IPW14R is typically used in low-cost sensor systems, portable measurement applications, and other battery-powered devices. It is suitable for applications that require capturing analog signals, converting them to digital values, and processing or transmitting the data. Other applications include:
- Low-power sensor networks.
- Portable medical devices.
- Industrial automation and control systems.
- Consumer electronics requiring low power consumption.
Q & A
- What is the supply voltage range of the MSP430G2131IPW14R?
The supply voltage range is from 1.8 V to 3.6 V.
- What type of CPU does the MSP430G2131IPW14R have?
The device features a 16-bit RISC CPU.
- How much flash memory does the MSP430G2131IPW14R have?
The device has 1 KB of flash memory.
- What is the resolution of the ADC in the MSP430G2131IPW14R?
The ADC has a 10-bit resolution.
- What serial interfaces are supported by the MSP430G2131IPW14R?
The device supports SPI and I2C protocols through the USI module.
- What is the power consumption in active mode at 1 MHz and 2.2 V?
The power consumption is 220 µA.
- How long does it take for the device to wake up from standby mode?
The wake-up time from standby mode is less than 1 µs.
- Does the MSP430G2131IPW14R have onboard programming capabilities?
Yes, it supports serial onboard programming without the need for an external programming voltage.
- What type of package is the MSP430G2131IPW14R available in?
The device is available in a 14-pin Plastic Small-Outline Thin Package (TSSOP).
- What are some typical applications of the MSP430G2131IPW14R?
Typical applications include low-cost sensor systems, portable measurement devices, and other battery-powered electronics.
