The part integrates an Ethernet MAC, two CAN 2.0B interfaces, USB OTG HS/FS, a camera interface (DCMI), and an external memory controller (EBI/EMI). The peripheral set — including DMA, I²S, LCD parallel interface, and multiple PWM-capable timers — targets industrial control, motor drives, building automation, and embedded networking applications where the combination of DSP capability and wired connectivity matters.
The 168 MHz core clock with single-cycle multiply-accumulate and hardware divide gives this MCU enough headroom for real-time control loops, sensor fusion, and audio processing without an external DSP. The FPU handles single-precision floating-point in hardware, which cuts the cycle count for filter math or coordinate transforms compared to a software-emulated M3. If your application needs FFTs, motor-field-oriented control, or Ethernet packet handling, the 168 MHz rate keeps the pipeline fed without starving the peripherals.
The 100-LQFP package is a standard JEDEC outline with 0.5 mm pitch, reworkable with hot air and flux, and does not require X-ray inspection like a BGA.
Connectivity and peripheral fit
The Ethernet MAC with dedicated DMA and descriptor-based buffer management is the distinguishing peripheral versus the STM32F405 — the F417 adds the MAC, making it a single-chip solution for industrial Ethernet gateways or Modbus TCP nodes. Two CAN 2.0B interfaces cover dual-channel CANopen or J1939 networks. The USB OTG HS port can run as host or device with an external PHY. The DCMI parallel camera interface accepts 8- to 14-bit data at up to 54 MHz, suitable for line-scan or VGA image capture. 82 I/O pins in the 100-pin package give enough GPIO for a parallel LCD, external SRAM/Flash via the FSMC, and sensor interfaces without a port expander.