72 MHz Cortex-M4 with rich analog — built for digital power and motor control
The STMicroelectronics STM32F334C8T6 is a 32-bit ARM Cortex-M4 microcontroller from the STM32F3 series, clocked at 72 MHz and packing 64 KB of Flash program memory alongside 12 KB of SRAM. It is designed for real-time control applications that demand a mix of compute throughput and analog integration — think digital power supplies, motor drives, and field-oriented control loops where the 15-channel 12-bit ADC and three 12-bit DACs handle simultaneous current/voltage sensing and waveform generation without external converters. The 48-LQFP package keeps the board footprint compact while still offering 37 GPIOs, plus a peripheral set that includes CANbus, I²C, SPI, and multiple UART/USART interfaces — enough to talk to a drive stage, an encoder, and a fieldbus gateway on one chip. Operates from 2 V to 3.6 V and is rated for -40 °C to 85 °C.
72 MHz — what it means for the control loop
At 72 MHz the Cortex-M4 executes a single-cycle MAC or hardware divide.
Sourcing and supply posture
The STM32F334C8T6 is sourced and quoted to order against an RFQ through independent distribution.