180 MHz Cortex-M4 with external Flash — what this means for the BOM
It carries 360K x 8 of on-chip SRAM but no internal program memory — the ROMless designation means firmware lives in an external serial Flash accessed via the SPIFI interface, or in parallel memory through the EBI/EMI bus. That external-Flash architecture gives flexibility in code size and field-update strategy, but it adds a BOM line and a boot-configuration step the designer must plan for. The peripheral set is built for connectivity: CANbus, Ethernet, USB, multiple I²C and SPI channels, plus an MMC/SD/SDIO interface for local storage. With 64 general-purpose I/O and a 12-channel 12-bit ADC, this MCU can serve as a central gateway or a sensor-aggregation node in industrial control, building automation, or telematics systems.