MSP430FR69221IRGCT

Microcontrollers Overview

The MSP430FR69221IRGCT is a microcontroller from the Texas Instruments MSP430 FRAM family, featuring a 16-bit RISC CPU operating at up to 16 MHz. It integrates 256 KB of non-volatile FRAM and 8 KB of RAM. The device includes a 12-bit ADC with up to 16 channels, multiple hardware serial communication interfaces including USCI modules supporting SPI, I2C, and UART, and several low-power timer peripherals. It operates within a voltage range of 1.8 V to 3.6 V and is housed in a 48-pin QFN package.

Microcontrollers Feature Summary

• Non-volatile FRAM technology eliminates the need for complex erase/program cycles found in traditional flash memory.
• Integrated analog front-end capabilities include a high-resolution 12-bit ADC and programmable gain amplifiers.
• Comprehensive connectivity suite supports various industrial and consumer communication standards via flexible serial interfaces.
• Advanced power management features enable ultra-low power consumption across multiple operational modes.

Microcontrollers Applications

• Smart metering systems requiring reliable data retention and low standby current
• Industrial control devices utilizing sensor interfaces and real-time processing
• Portable medical equipment needing precise analog signal acquisition
• Consumer electronics with frequent write operations to non-volatile storage

Microcontrollers Procurement Notes

Verify the specific suffix IRGCT corresponds to the 48-pin QFN package and industrial temperature grade during sourcing. Confirm that the component matches the original manufacturer's specifications for pinout and electrical characteristics. Ensure compatibility with existing PCB footprints and thermal requirements before integration into production designs.

Microcontrollers Selection Notes

Select this model when design requirements demand significant non-volatile memory capacity combined with robust analog input capabilities. It is suitable for applications where frequent data logging is necessary without the endurance limitations of flash memory. Consider the available GPIO count and peripheral set against system interface needs to ensure optimal resource utilization.

Microcontrollers Part Context

This component belongs to the MSP430 FRAM family, which combines the low power characteristics of the MSP430 architecture with the durability of Ferroelectric RAM. It serves as an upgrade path for designs previously using flash-based microcontrollers, offering faster write speeds and higher endurance. The series targets cost-sensitive embedded applications requiring reliable long-term operation.

Microcontrollers FAQ

What is the primary advantage of FRAM over Flash memory in this microcontroller?

FRAM offers significantly higher endurance, allowing for billions of write cycles compared to flash, and provides near-instantaneous write times without the need for erase cycles.

Does the MSP430FR69221 support I2C communication natively?

Yes, the device includes Universal Serial Communication Interface (USCI) modules that natively support I2C protocol alongside SPI and UART.