The STM32F437ZIT7TR: ARM Cortex-M4 core with single-precision FPU and DSP instruction set at 180 MHz. 2 MB Flash and 256 KB RAM support LCD controller, Ethernet, and USB OTG.
Temperature range and package — rework and environment
144-LQFP (20×20 mm) package.
Listed as Active by STMicroelectronics. No last-time-buy notice, no end-of-life announcement.
Peripheral set — what connects where
Brown-out detect, POR, PWM timers, and a watchdog are on-chip. 114 I/O pins in the 144-LQFP give you enough GPIO for a parallel LCD data bus plus a handful of sensors and actuators.