MSP430F1121IPWR

Microcontrollers Overview

The MSP430F1121IPWR is a 16-bit ultra-low-power microcontroller from the Texas Instruments MSP430 family. It features 4KB of flash memory and 256 bytes of RAM, housed in a 20-pin TSSOP package. The device operates on a supply voltage range of 1.8V to 3.6V and supports clock frequencies up to 8MHz. Key peripherals include an analog comparator, a watchdog timer, and a 16-bit timer. It is designed for applications requiring low power consumption and efficient code execution.

Microcontrollers Feature Summary

• Integrates an analog comparator for signal monitoring
• Includes a watchdog timer for system reliability
• Features a 16-bit timer for timing functions
• Supports low-voltage operation down to 1.8V

Microcontrollers Applications

• Battery-powered sensor nodes
• Portable measurement devices
• Low-power industrial control systems

Microcontrollers Procurement Notes

Verify the specific suffix 'IPWR' corresponds to the TSSOP-20 package and reel packaging configuration as per the official datasheet. Confirm that the component meets RoHS compliance requirements for your region. Ensure the operating temperature range aligns with your application's environmental conditions before procurement.

Microcontrollers Selection Notes

Select this model when 4KB of program memory and 256 bytes of RAM are sufficient for the application logic. It is suitable for designs requiring an integrated analog comparator without the need for a high-resolution ADC. Consider the TSSOP-20 package constraints for PCB layout and thermal management.

Microcontrollers Part Context

This component belongs to the MSP430F1xx series, which focuses on ultra-low-power performance with integrated analog peripherals. It shares architectural similarities with other F1xx devices but differs in memory size and specific peripheral configurations. The IPWR suffix indicates surface-mount packaging optimized for automated assembly processes.

Microcontrollers Replacement Considerations

Direct substitutes within the same family include MSP430F1121A variants or MSP430F1232 if additional timer resources are needed. Verify pin compatibility and software register mapping before swapping components to ensure functional equivalence.