STM32F303 in STM32 Family
The STM32F303 sub-family by STMicroelectronics is a high-performance mixed-signal microcontroller series built on the ARM Cortex-M4 core with a Floating Point Unit and DSP instructions. Operating at 72 MHz, these devices are specifically engineered to bridge the gap between standard digital processing and high-end analog peripherals. They are widely utilized in systems requiring rapid signal processing, complex motor control algorithms, and precise digital power conversion where high-speed ADCs and advanced timers are essential requirements.
Variants in This Sub-Family
Comparing specs that differ across variants.
| Part Number | RAM | Connectivity | I/O Pins | Package | ADC/DAC | Flash | Stock |
|---|---|---|---|---|---|---|---|
| STM32F303CCT6 (STMicroelectronics) | 40K | CANbus, I2C, IrDA,.. | 37 | LQFP-48 | A/D 15x12b; D/A 2x.. | 256KB | 865 |
| STM32F303K8T6 (STMicroelectronics) | 16K | CANbus, I2C, IrDA,.. | 25 | LQFP-32 | A/D 9x12b; D/A 3x12b | 64KB | 1,627 |
| STM32F303RBT6 (STMicroelectronics) | 32K | CANbus, I2C, IrDA,.. | 52 | LQFP-64 | A/D 22x12b; D/A 2x.. | 128KB | 1,088 |
| STM32F303RET6 (STMicroelectronics) | 80K | CANbus, I2C, IrDA,.. | 51 | LQFP-64 | A/D 22x12b; D/A 2x.. | 512KB | 2,214 |
| STM32F303CBT6 (STMicroelectronics) | 32K | CANbus, I2C, IrDA,.. | 37 | LQFP-48 | A/D 15x12b; D/A 2x.. | 128KB | 2,399 |
The STM32F303 sub-family offers significant scalability in memory and packaging. Flash memory capacity ranges from 64KB in entry-level parts like the K8T6 to 512KB in higher-end models like the VET6. Package options vary from the compact 32-pin LQFP to the 100-pin VQFP, providing different I/O counts and peripheral availability. While all share the same core frequency, higher-pin count variants typically include more ADC channels and integrated analog components.
