STM32F302RCT6 - 256KB Flash ARM Cortex-M4F MCU | STMicroelectronics
MPN: STM32F302RCT6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.65 | $76.50 |
| 100 | $6.8 | $680.00 |
| 500 | $6.12 | $3,060.00 |
| 1,000 | $5.44 | $5,440.00 |
Drop-in alternatives for STM32F302RCT6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM32F302RCT7
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STM32F302RBT6
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STM32F303R8T6
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STM32F301RBT6
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STM32F302RCT6TR
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STM32F302RCT6 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M4F with FPU |
| Maximum Clock Frequency | 72 MHz |
| Flash Memory | 256 KB |
| SRAM | 40 KB |
| Supply Voltage Range | 2.0 V to 3.6 V |
| Package | LQFP64 (10x10 mm) |
| Operating Temperature Range | -40Β°C to +85Β°C |
| ADC Resolution | 12-bit |
| ADC Sample Rate | 5 MSPS |
| DAC Resolution | 12-bit |
| Number of DAC Channels | 2 |
| Number of Operational Amplifiers | 3 |
| Communication Interfaces | I2C, SPI, USART, CAN, USB |
| Number of Timers | 8 (including advanced-control timer) |
| GPIO Pins | 51 |
| RoHS Status | Compliant |
STM32F302RCT6 Pin Configuration
| Pin 1 | VBAT β Battery backup supply |
| Pin 2 | PC13 β GPIO / RTC output |
| Pin 3 | PC14 β GPIO / OSC32_IN |
| Pin 4 | PC15 β GPIO / OSC32_OUT |
| Pin 5 | PF0 β GPIO / OSC_IN |
| Pin 6 | PF1 β GPIO / OSC_OUT |
| Pin 7 | NRST β Reset (active low) |
| Pin 8 | VSSA β Analog ground |
| Pin 9 | VDDA β Analog power supply |
| Pin 10 | PA0 β GPIO / ADC_IN0 |
| Pin 11 | PA1 β GPIO / ADC_IN1 |
| Pin 12 | PA2 β GPIO / USART2_TX |
| Pin 13 | PA3 β GPIO / USART2_RX |
| Pin 14 | PA4 β GPIO / DAC_OUT1 |
| Pin 15 | PA5 β GPIO / DAC_OUT2 |
| Pin 16 | PA6 β GPIO / TIM3_CH1 |
| Pin 17 | PA7 β GPIO / TIM3_CH2 |
| Pin 18 | PC4 β GPIO / ADC_IN4 |
| Pin 19 | PC5 β GPIO / ADC_IN5 |
| Pin 20 | PB0 β GPIO / ADC_IN8 |
| Pin 21 | PB1 β GPIO / ADC_IN9 |
| Pin 22 | PB2 β GPIO / BOOT1 |
| Pin 23 | PB10 β GPIO / I2C2_SCL |
| Pin 24 | PB11 β GPIO / I2C2_SDA |
| Pin 25 | VSS_1 β Ground |
| Pin 26 | VDD_1 β Power supply |
| Pin 27 | PB12 β GPIO / SPI2_NSS |
| Pin 28 | PB13 β GPIO / SPI2_SCK |
| Pin 29 | PB14 β GPIO / SPI2_MISO |
| Pin 30 | PB15 β GPIO / SPI2_MOSI |
| Pin 31 | PC6 β GPIO / TIM3_CH1 |
| Pin 32 | PC7 β GPIO / TIM3_CH2 |
| Pin 33 | PC8 β GPIO / TIM3_CH3 |
| Pin 34 | PC9 β GPIO / TIM3_CH4 |
| Pin 35 | PA8 β GPIO / MCO |
| Pin 36 | PA9 β GPIO / USART1_TX |
| Pin 37 | PA10 β GPIO / USART1_RX |
| Pin 38 | PA11 β GPIO / USB_DM |
| Pin 39 | PA12 β GPIO / USB_DP |
| Pin 40 | PA13 β GPIO / SWDIO |
| Pin 41 | VSS_2 β Ground |
| Pin 42 | VDD_2 β Power supply |
| Pin 43 | PA14 β GPIO / SWCLK |
| Pin 44 | PA15 β GPIO / JTDI |
| Pin 45 | PB3 β GPIO / JTDO |
| Pin 46 | PB4 β GPIO / NJTRST |
| Pin 47 | PB5 β GPIO / I2C1_SMBA |
| Pin 48 | PB6 β GPIO / I2C1_SCL |
| Pin 49 | PB7 β GPIO / I2C1_SDA |
| Pin 50 | BOOT0 β Boot mode selection |
| Pin 51 | PB8 β GPIO / CAN_RX |
| Pin 52 | PB9 β GPIO / CAN_TX |
| Pin 53 | VSS_3 β Ground |
| Pin 54 | VDD_3 β Power supply |
| Pin 55 | PC10 β GPIO / USART3_TX |
| Pin 56 | PC11 β GPIO / USART3_RX |
| Pin 57 | PC12 β GPIO / USART3_CK |
| Pin 58 | PD2 β GPIO / TIM3_ETR |
| Pin 59 | PC0 β GPIO / ADC_IN10 |
| Pin 60 | PC1 β GPIO / ADC_IN11 |
| Pin 61 | PC2 β GPIO / ADC_IN12 |
| Pin 62 | PC3 β GPIO / ADC_IN13 |
| Pin 63 | VREF+ β ADC reference voltage |
| Pin 64 | VREF- β ADC reference ground |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM32F302RCT6 is suitable for 6 applications: Motor Control, Power Conversion, Industrial Automation, Consumer Electronics, Automotive, Medical Devices.
Motor Control
The STM32F302RCT6 is ideal for motor control applications due to its advanced-control timer, high-speed ADC (5 MSPS), and fast comparators. It supports sensorless and sensor-based control of BLDC, PMSM, and AC induction motors. The device's FPU enables efficient execution of complex control algorithms like field-oriented control (FOC). In a typical motor drive, the MCU reads phase currents via the ADC, processes them with the FPU, and generates PWM signals via the advanced timer. The high-speed ADC ensures accurate current sensing, while the comparators provide overcurrent protection. The CAN interface allows communication with higher-level controllers in industrial or automotive systems. Designers should ensure proper isolation and filtering of the analog inputs to maintain signal integrity.
Recommended
Power Conversion
The STM32F302RCT6 is well-suited for power conversion applications such as digital power supplies, inverters, and battery chargers. Its high-speed ADC and advanced timers enable precise control of switching converters. The device's FPU supports complex control algorithms like PID and state-space control. In a typical digital power supply, the MCU samples the output voltage and current via the ADC, computes the control signal, and generates PWM via the timer. The fast comparators can be used for peak current mode control. The wide operating voltage range (2.0V to 3.6V) allows direct operation from a 3.3V rail. Designers should pay attention to the ADC sampling time and PWM resolution to achieve high efficiency and low ripple.
Recommended
Industrial Automation
The STM32F302RCT6 is a robust choice for industrial automation, including PLCs, process control, and robotics. Its CAN interface enables communication in industrial networks, while the multiple USART, SPI, and I2C interfaces connect to sensors and actuators. The device's wide temperature range (-40Β°C to +85Β°C) ensures reliable operation in harsh environments. In a typical PLC, the MCU reads digital and analog inputs, executes control logic, and drives outputs. The high-speed ADC and comparators are useful for fast fault detection. The FPU accelerates mathematical computations for control algorithms. Designers should implement proper ESD protection and galvanic isolation for industrial interfaces.
Recommended
Consumer Electronics
The STM32F302RCT6 is used in consumer electronics such as smart home devices, wearables, and audio equipment. Its low-power modes and wide voltage range support battery-powered designs. The device's USB interface enables direct connection to hosts for charging or data transfer. In a smart home hub, the MCU manages sensors, communicates via Wi-Fi or Bluetooth modules, and controls actuators. The FPU is useful for audio processing, such as equalization or noise cancellation. The DACs can generate analog audio signals. Designers should optimize power consumption by using sleep modes and efficient clock management.
Recommended
Automotive
The STM32F302RCT6 is suitable for automotive applications such as body control modules, battery management systems, and motor control for electric power steering. Its CAN interface is essential for in-vehicle networking. The device's high-speed ADC and comparators are used for current and voltage sensing. The wide temperature range and robust design meet automotive requirements. In a battery management system, the MCU monitors cell voltages and temperatures, balances cells, and communicates with the main controller via CAN. The FPU enables efficient state-of-charge estimation algorithms. Designers should follow AEC-Q100 guidelines and ensure proper protection against automotive transients.
Recommended
Medical Devices
The STM32F302RCT6 is used in medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high-speed ADC and low-power modes are beneficial for battery-operated devices. The device's FPU supports signal processing for vital sign monitoring. In a patient monitor, the MCU acquires ECG or SpO2 signals via the ADC, processes them with digital filters, and displays results on a screen. The communication interfaces allow data transfer to a central station. Designers must ensure compliance with medical safety standards and implement redundant safety features.
Recommended
Recommended Products Summary
Engineering reference data for STM32F302RCT6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32F302RCT7 | STM32F303RCT6 | STM32F301RCT6 |
|---|---|---|---|---|
| Package | LQFP64 | LQFP64 | LQFP64 | LQFP64 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Max Clock Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 40 KB | 40 KB | 40 KB | 40 KB |
| ADC Sample Rate | 5 MSPS | 5 MSPS | 7.2 MSPS | 5 MSPS |
| Number of DAC Channels | 2 | 2 | 2 | 0 |
| CAN Interface | Yes | Yes | Yes | No |
Key Differentiators
- High-speed ADC with 5 MSPS (vs STM32F301RCT6)
- Dual DAC channels (vs STM32F301RCT6)
- CAN interface (vs STM32F301RCT6)
Design Notes
Decouple each VDD pin with a 100 nF ceramic capacitor placed as close as possible to the pin. Additionally, connect a 4.7 Β΅F capacitor to the main power rail. The VDDA pin should be connected to a clean analog supply, and VREF+ should be decoupled with a 1 Β΅F capacitor. For battery-powered designs, use the low-power modes (Sleep, Stop, Standby) to reduce current consumption.
For the LQFP64 package, ensure proper solder paste stencil design to avoid solder bridging. Use a 0.5 mm pitch land pattern. Place the crystal oscillator (if used) close to the OSC_IN/OSC_OUT pins and keep the trace lengths short. For the ADC, route analog inputs away from digital traces to minimize noise coupling.
Do not exceed the absolute maximum ratings for VDD (4.0V) or VDDA (4.0V). Ensure the NRST pin is pulled high with a 10 kΞ© resistor and a 100 nF capacitor to ground to prevent spurious resets. When using the USB interface, ensure proper impedance matching on the DP/DM lines (90 Ξ© differential).
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32F302RCT7 or other automotive-grade variants.
