Dual-core architecture for mixed-criticality workloads
The STM32H755BIT6 is a 32-bit dual-core MCU from STMicroelectronics' STM32H7 series, pairing a 240 MHz ARM Cortex-M4 with a 480 MHz ARM Cortex-M7 in a single 208-LQFP package. This split lets the M7 handle heavy number-crunching or real-time control loops while the M4 runs communications stacks or safety monitoring on the same die. The 2 MB Flash (2M x 8) and 1M x 8 RAM provide enough headroom for dual-image firmware updates or large data buffers without external memory. The 148 I/O lines fan out through the 28x28 mm QFP footprint, which is a standard pick-and-place profile for medium-density production.
Connectivity and analog front-end density
Connectivity covers CANbus, Ethernet, USB OTG, multiple SPI/I²C/UART interfaces, plus MMC/SD/SDIO and QSPI for external Flash or SRAM expansion. The 32-channel 16-bit ADC bank and dual 12-bit DACs let this part digest multi-sensor analog inputs without an external multiplexer or separate ADC chip.
Industrial temperature and lifecycle status
Rated for -40°C to 85°C operation. The lifecycle is marked as EOL hot — meaning the manufacturer has issued or is about to issue a last-time-buy notice. Procurement should confirm the LTB window and secure bridge-buy quantities before the order code closes.