STM32F3 Series

STM32F3 Series of mixed-signal MCUs with DSP and FPU instructions

The STM32F3 Series combines a 32-bit Arm^® Cortex^®-M4 core (with FPU and DSP instructions) running at 72 MHz with a high number of integrated analog peripherals leading to cost reduction at application level and simplifying application design, including:

• Ultra-fast comparators (25 ns)
• Op-amp with programmable gain
• 12-bit DACs
• Ultra-fast 12-bit ADCs with 5 MSPS (Million Samples Per Second) per channel (up to 18 MSPS in Interleaved mode)
• Precise 16-bit sigma-delta ADCs (21 channels)
• Core Coupled Memory SRAM (Routine Booster), a specific memory architecture boosting time-critical routines, accelerating the performance by 43%
• 144 MHz Advanced 16-bit pulse-width modulation timer (resolution < 7 ns) for control applications
• High resolution timer (217 picoseconds), self-compensated vs power supply and temperature drift

A flexible interconnect matrix allows autonomous communication between peripherals and saves CPU resources and power consumption.

A high degree of compatibility with STM32F0 Series guarantees outstanding efficiency when designing derivatives of applications at different performance levels.

The STM32F3 Series of mixed-signal microcontrollers consists of:

• The STM32F301, STM32F302, STM32F303 general-purpose product lines ranging from a basic, cost-efficient peripheral set, up to more performance and analog functions able to manage up to triple FOC motor control,
• The STM32F334 with high-resolution timer (217 picoseconds) and complex waveform builder plus event handler (HRTIM) for digital power conversion, such as digital switched-mode power supplies, lighting, welding, solar and wireless charging,
• The STM32F373, with 16-bit sigma-delta ADC and 7 built-in gains for high-precision measurements in applications such as biometric sensors or smart metering,
• The STM32F3x8 line, supporting 1.8 volt operation

Package options are LQPF48/64/100, UFBGA100, WLCSP100/66/49, UQFN32 for the devices ranging now from 16 up to 512 Kbytes of Flash memory.

Temperature range from -40 to 85 ° C or from -40 to 105 ° C (with a junction temperature of 125 ° C).