16 KB FRAM at 24 MHz — the power-conscious sensor controller
Its program memory is 16 KB of FRAM — a unified non-volatile storage that writes at bus speed with no erase cycle overhead, rated for 10^15 write cycles versus the 10^4–10^5 of conventional Flash.
The 24-VFQFN package with exposed pad (4x4 mm body) needs a thermal via stitch under the pad if the application draws continuous current near the package limit — the datasheet's thermal impedance numbers assume the pad is soldered to a copper plane.
Peripheral set for mixed-signal control
Seventeen GPIOs bring out I²C, SPI, UART, and LINbus — enough for a sensor hub talking to an external radio over SPI and a host controller over UART. The 8-channel 10-bit ADC samples at rates suited for low-speed analog measurement (temperature, pressure, current sense) without an external converter. An internal oscillator is on-chip, so no external crystal is required for the core clock, though the oscillator type is listed as internal. Peripherals include a PWM timer and watchdog — the PWM can drive a small DC motor or LED string directly, and the WDT keeps the system from locking up in a noisy environment.
Active lifecycle — no LTB concern for new designs
Listed as Active in the manufacturer's product status.