The Texas Instruments MSP430FR2522IPW16R is a 16-bit MSP430 CPU16 microcontroller clocked at 16 MHz, built around the MSP430™ FRAM series. It carries 7.5 KB of FRAM program memory and 2 KB of RAM, with 11 GPIO lines, a 5-channel 10-bit ADC, and serial connectivity covering I²C, SPI, and UART. The part operates from 2 V to 3.6 V supply over the -40°C to 85°C industrial temperature range, housed in a 16-TSSOP package.
FRAM memory — what it means for the firmware loop
FRAM writes at bus speed with no erase cycle, unlike Flash or EEPROM. That means the 7.5 KB program space can be updated in-field without a separate EEPROM for calibration constants or data logs — the same memory handles code and nonvolatile storage. Write endurance is effectively unlimited for typical embedded update rates, so wear-leveling routines are unnecessary.
16 MHz core — what it means for the control loop
At 16 MHz, the MSP430 CPU16 executes most single-cycle instructions. The 5-channel 10-bit ADC samples at rates suitable for thermistor, potentiometer, or low-speed analog front-ends.
Peripherals and connectivity
On-chip peripherals include a brown-out detect/reset, PWM timer, and watchdog timer. Serial interfaces (I²C, SPI, UART) cover the common sensor and actuator buses; IrDA and SCI extend the UART for infrared and LIN-class communication.
Lifecycle and sourcing
The MSP430FR2522IPW16R carries an active lifecycle status per the Texas Instruments product record. No end-of-life notice or last-time-buy window is in effect. For current pricing and lead time, submit an RFQ — availability is confirmed at quote time through independent distribution channels.