STM32F302RCT6 - 256KB Flash ARM Cortex-M4F MCU | STMicroelectronics
MPN: STM32F302RCT6 ✓ Hoạt độngSTM32F302RCT6 Tóm tắt
What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the backbone of modern embedded systems, from automotive engine control units to consumer electronics and industrial automation. The STM32F302RCT6 belongs to the STM32F3 series, which is optimized for mixed-signal control applications, combining an ARM Cortex-M4F core with advanced analog peripherals.
Key features of the STM32F302RCT6 include a 12-bit ADC with up to 5 MSPS, two 12-bit DACs, three operational amplifiers, and a 16-bit advanced-control timer. It also provides multiple communication interfaces: I2C, SPI, USART, CAN, and USB. The device supports a temperature range of -40°C to +85°C and is available in a 64-pin LQFP package, which is suitable for space-constrained designs.
The STM32F302RCT6 leverages the ARM Cortex-M4F core with DSP instructions and a single-precision FPU, enabling efficient execution of complex algorithms such as digital signal processing and motor control. The device includes a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for real-time performance. Its advanced analog peripherals, including a 5 MSPS ADC and fast comparators, make it ideal for applications requiring high-speed data acquisition and precise control.
Typical applications include motor control, power conversion, industrial automation, and consumer electronics. The device's rich analog feature set and CAN interface make it particularly well-suited for automotive and industrial control systems. Its low-power modes and wide operating voltage range also support battery-powered portable devices.
When designing with the STM32F302RCT6, ensure proper decoupling of the power supply pins with 100 nF capacitors placed close to each VDD pin. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin should be decoupled with a 1 µF capacitor. For reliable operation, the NRST pin should be pulled high with a 10 kΩ resistor and a 100 nF capacitor to ground.
Bộ thay thế dễ dàng lắp đặt cho STM32F302RCT6 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với STM32F302RCT6 (cùng hình factor và footprint) — khác nhau ở Package, SRAM, Flash Memory, Comparators, Communication Interfaces.
STM32F302RCT7
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32F303RCT6
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32F301RCT6
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32F302RBT6
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32F302R8T6
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →STM32F303RBT6
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32F303R8T6
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32F301RBT6
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32F301R8T6
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STM32F302RCT6TR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
STM32F302RCT6 Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M4F with FPU |
| Tần số xung maksimum | 72 MHz |
| Flash Memory | 256 KB |
| SRAM | 40 KB |
| Supply Voltage Range | 2.0 V to 3.6 V |
| Hộp | LQFP64 (10x10 mm) |
| Khoảng nhiệt độ hoạt động | -40°C to +85°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 |
| Trạng thái RoHS | Compliant |
Cấu hình chân STM32F302RCT6
| Chân 1 | VBAT — Battery backup supply |
| Chân 2 | PC13 — GPIO / RTC output |
| Chân 3 | PC14 — GPIO / OSC32_IN |
| Chân 4 | PC15 — GPIO / OSC32_OUT |
| Chân 5 | PF0 — GPIO / OSC_IN |
| Chân 6 | PF1 — GPIO / OSC_OUT |
| Chân 7 | NRST — Reset (active low) |
| Chân 8 | VSSA — Analog ground |
| Chân 9 | VDDA — Analog power supply |
| Chân 10 | PA0 — GPIO / ADC_IN0 |
| Chân 11 | PA1 — GPIO / ADC_IN1 |
| Chân 12 | PA2 — GPIO / USART2_TX |
| Chân 13 | PA3 — GPIO / USART2_RX |
| Chân 14 | PA4 — GPIO / DAC_OUT1 |
| Chân 15 | PA5 — GPIO / DAC_OUT2 |
| Chân 16 | PA6 — GPIO / TIM3_CH1 |
| Chân 17 | PA7 — GPIO / TIM3_CH2 |
| Chân 18 | PC4 — GPIO / ADC_IN4 |
| Chân 19 | PC5 — GPIO / ADC_IN5 |
| Chân 20 | PB0 — GPIO / ADC_IN8 |
| Chân 21 | PB1 — GPIO / ADC_IN9 |
| Chân 22 | PB2 — GPIO / BOOT1 |
| Chân 23 | PB10 — GPIO / I2C2_SCL |
| Chân 24 | PB11 — GPIO / I2C2_SDA |
| Chân 25 | VSS_1 — Ground |
| Chân 26 | VDD_1 — Power supply |
| Chân 27 | PB12 — GPIO / SPI2_NSS |
| Chân 28 | PB13 — GPIO / SPI2_SCK |
| Chân 29 | PB14 — GPIO / SPI2_MISO |
| Chân 30 | PB15 — GPIO / SPI2_MOSI |
| Chân 31 | PC6 — GPIO / TIM3_CH1 |
| Chân 32 | PC7 — GPIO / TIM3_CH2 |
| Chân 33 | PC8 — GPIO / TIM3_CH3 |
| Chân 34 | PC9 — GPIO / TIM3_CH4 |
| Chân 35 | PA8 — GPIO / MCO |
| Chân 36 | PA9 — GPIO / USART1_TX |
| Chân 37 | PA10 — GPIO / USART1_RX |
| Chân 38 | PA11 — GPIO / USB_DM |
| Chân 39 | PA12 — GPIO / USB_DP |
| Chân 40 | PA13 — GPIO / SWDIO |
| Chân 41 | VSS_2 — Ground |
| Chân 42 | VDD_2 — Power supply |
| Chân 43 | PA14 — GPIO / SWCLK |
| Chân 44 | PA15 — GPIO / JTDI |
| Chân 45 | PB3 — GPIO / JTDO |
| Chân 46 | PB4 — GPIO / NJTRST |
| Chân 47 | PB5 — GPIO / I2C1_SMBA |
| Chân 48 | PB6 — GPIO / I2C1_SCL |
| Chân 49 | PB7 — GPIO / I2C1_SDA |
| Chân 50 | BOOT0 — Boot mode selection |
| Chân 51 | PB8 — GPIO / CAN_RX |
| Chân 52 | PB9 — GPIO / CAN_TX |
| Chân 53 | VSS_3 — Ground |
| Chân 54 | VDD_3 — Power supply |
| Chân 55 | PC10 — GPIO / USART3_TX |
| Chân 56 | PC11 — GPIO / USART3_RX |
| Chân 57 | PC12 — GPIO / USART3_CK |
| Chân 58 | PD2 — GPIO / TIM3_ETR |
| Chân 59 | PC0 — GPIO / ADC_IN10 |
| Chân 60 | PC1 — GPIO / ADC_IN11 |
| Chân 61 | PC2 — GPIO / ADC_IN12 |
| Chân 62 | PC3 — GPIO / ADC_IN13 |
| Chân 63 | VREF+ — ADC reference voltage |
| Chân 64 | VREF- — ADC reference ground |
Ứng dụng tiêu biểu
STM32F302RCT6 phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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 (-40°C to +85°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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho STM32F302RCT6 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- High-speed ADC with 5 MSPS (vsSTM32F301RCT6)
- Dual DAC channels (vsSTM32F301RCT6)
- CAN interface (vsSTM32F301RCT6)
Ghi chú thiết kế
Decouple each VDD pin with a 100 nF ceramic capacitor placed as close as possible to the pin. Additionally, connect a 4.7 µF 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 µF 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 kΩ 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 Ω differential).
Thông tin tuân thủ
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32F302RCT7 or other automotive-grade variants.
