Overview
The Texas Instruments MSP430F2131IPWR is a member of the MSP430 family of ultra-low-power mixed-signal microcontrollers. This device is designed to optimize power consumption, making it ideal for battery-powered and portable measurement applications. The MSP430F2131 features a 16-bit RISC CPU, 16-bit registers, and a range of peripherals that support various functions such as analog signal processing, timer operations, and low-power modes.
The microcontroller includes a powerful 16-bit RISC CPU with a 62.5-ns instruction cycle time, and it supports multiple low-power modes to extend battery life. The device also includes an on-chip emulation module for advanced debugging and programming capabilities.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Mode Current | 250 μA at 1 MHz, 2.2 V |
| Standby Mode Current | 0.7 μA |
| Off Mode (RAM Retention) Current | 0.1 μA |
| Flash Memory | 8KB + 256B |
| RAM | 256B |
| Timer_A | 16-Bit Timer with Three Capture/Compare Registers |
| Analog Comparator | On-Chip Comparator for Analog Signal Compare Function or Slope A/D Conversion |
| Clock System | Internal DCO, 32768-Hz Watch Crystal Oscillator, High-Frequency Crystal Oscillator |
| Operating Temperature Range | -40°C to 105°C |
| Package Options | 20-Pin Plastic Small-Outline Wide Body (SOWB), 20-Pin Plastic Small-Outline Thin (TSSOP), 20-Pin TVSOP, 24-Pin QFN |
Key Features
- Ultra-Low Power Consumption: Active Mode: 250 μA at 1 MHz, 2.2 V; Standby Mode: 0.7 μA; Off Mode (RAM Retention): 0.1 μA
- 16-Bit RISC CPU with 62.5-ns Instruction Cycle Time
- On-Chip Emulation Module for Advanced Debugging and Programming
- Serial Onboard Programming, No External Programming Voltage Needed
- Code Protection by Security Fuse
- Bootstrap Loader
- Ultra-Fast Wake-Up From Standby Mode in Less Than 1 μs
- Basic Clock Module Configurations: Internal Frequencies up to 16 MHz, 32768-Hz Watch Crystal Oscillator, High-Frequency Crystal Oscillator
- Brownout Detector
- 16-Bit Timer_A With Three Capture/Compare Registers
- On-Chip Comparator for Analog Signal Compare Function or Slope A/D Conversion
Applications
- Sensor Systems: Capture analog signals, convert them to digital values, and process the data for display or transmission to a host system.
- Stand-alone RF Sensor Front End
- Battery-Powered Devices: Optimized for extended battery life in portable measurement applications.
- Low-Power IoT Devices: Suitable for applications requiring minimal power consumption.
- Industrial Automation: Used in various industrial automation tasks that require low power and precise analog signal processing.
Q & A
- What is the supply voltage range of the MSP430F2131IPWR?
The supply voltage range is from 1.8 V to 3.6 V.
- What is the current consumption in active mode at 1 MHz and 2.2 V?
The current consumption is 250 μA.
- How much RAM does the MSP430F2131IPWR have?
The device has 256B of RAM.
- What types of clock sources are supported by the MSP430F2131IPWR?
The device supports internal DCO, 32768-Hz watch crystal oscillator, and high-frequency crystal oscillator.
- What is the operating temperature range of the MSP430F2131IPWR?
The operating temperature range is from -40°C to 105°C.
- What are the package options available for the MSP430F2131IPWR?
The device is available in 20-Pin Plastic Small-Outline Wide Body (SOWB), 20-Pin Plastic Small-Outline Thin (TSSOP), 20-Pin TVSOP, and 24-Pin QFN packages.
- Does the MSP430F2131IPWR support on-chip emulation for debugging?
Yes, it includes an Embedded Emulation Module (EEM) for advanced debugging and programming.
- What is the purpose of the analog comparator in the MSP430F2131IPWR?
The analog comparator supports precision slope analog-to-digital conversions and battery-voltage supervision.
- Can the MSP430F2131IPWR wake up quickly from standby mode?
Yes, it can wake up from standby mode in less than 1 μs.
- Does the MSP430F2131IPWR have code protection features?
Yes, it includes code protection by security fuse.
