OEM integration brief — STM32L451RET6TR
The STM32L451RET6TR is a 32-bit ARM Cortex-M4 MCU clocked at 80 MHz with 512 KB Flash and 160 KB SRAM. It sits in the STM32L4 series and operates from 1.71 V to 3.6 V.
80 MHz Cortex-M4 — what it means for the loop
The 80 MHz core with single-cycle multiply and hardware divide handles real-time control loops — think field-oriented motor control or digital power conversion — without an external DSP. The 160 KB SRAM gives you room for a modest RTOS heap and comms buffers; the 512 KB Flash holds a full application stack plus a bootloader for field updates.