STM32F302R8T6 - 64MHz ARM Cortex-M4F MCU | STMicroelectronics
MPN: STM32F302R8T6 ✓ Hoạt động| Số lượng | Giá đơn vị | Phụ |
|---|---|---|
| 1 | $9.2727 | $9,27 |
| 10 | $6.697 | $66,97 |
| 100 | $5.9242 | $592,42 |
| 500 | $5.6667 | $2.833,35 |
| 1.000 | $5.4091 | $5.409,10 |
STM32F302R8T6 Tóm tắt
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32F302R8T6 belongs to the STM32F3 family, which is optimized for analog and mixed-signal control applications, bridging the gap between general-purpose MCUs and digital signal processors (DSPs).
Key features include a 64 MHz ARM Cortex-M4F core with FPU, 64 KB flash, 16 KB SRAM, and a rich set of analog peripherals: two 12-bit DACs, three 12-bit ADCs (up to 5 MSPS), and an operational amplifier. It also integrates a 16-bit advanced-control timer, multiple general-purpose timers, and a real-time clock. Communication interfaces include I2C, SPI, USART, and CAN, making it versatile for industrial and consumer applications.
The STM32F302R8T6 leverages the ARM Cortex-M4F architecture with DSP instructions and a single-precision FPU, enabling efficient execution of complex algorithms. The device operates from a 2.0V to 3.6V power supply and supports a temperature range of -40°C to +85°C. Its advanced analog peripherals allow for high-resolution signal acquisition and generation, reducing external component count.
Typical applications include motor control, power management, industrial automation, and consumer electronics. The combination of high-speed ADC, DAC, and op-amp makes it ideal for closed-loop control systems, such as field-oriented control (FOC) of brushless DC motors. The CAN interface supports robust communication in automotive and industrial networks.
When designing with this MCU, ensure proper decoupling of the power supply pins and a stable clock source. The internal 8 MHz RC oscillator can be used for basic operation, but an external crystal is recommended for applications requiring precise timing. The device supports in-circuit programming and debugging via SWD, simplifying firmware development.
Bộ thay thế dễ dàng lắp đặt cho STM32F302R8T6 — 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 STM32F302R8T6 (cùng hình factor và footprint) — khác nhau ở Package, Communication Interfaces, Core, Flash Memory, SRAM.
Công cụ so sánh nhanh — Chọn các bộ phận thay thế để so sánh song song:
ATSAMD21G18A-AU
✗ Hết hàng
$2.78 / Đơn vị
Xem tài liệu →STM32F302R8T7
📋 Tham chiếu thay thế (không có trong danh mục)
STM32F302R8T6TR
📋 Tham chiếu thay thế (không có trong danh mục)
STM32F303R8T6
📋 Tham chiếu thay thế (không có trong danh mục)
STM32F301R8T6
📋 Tham chiếu thay thế (không có trong danh mục)
STM32F302R8T6 Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M4F with FPU |
| Tần số xung maksimum | 64 MHz |
| Flash Memory | 64 KB |
| SRAM | 16 KB |
| Điện áp cung cấp | 2.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +85C |
| Hộp | LQFP-64 (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Number of I/O Pins | 51 |
| ADC Resolution | 12-bit |
| Number of ADC Channels | 16 |
| DAC Resolution | 12-bit |
| Number of DAC Channels | 2 |
| Operational Amplifiers | 2 |
| Communication Interfaces | I2C, SPI, USART, CAN |
| Timers | Advanced-control, general-purpose, basic |
| DMA Channels | 7 |
| Trạng thái RoHS | Compliant |
Cấu hình chân STM32F302R8T6
| 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 | VDD — Digital power supply |
| Chân 9 | VSS — Ground |
| Chân 10 | VDDA — Analog power supply |
| Chân 11 | PA0 — GPIO / ADC_IN0 |
| Chân 12 | PA1 — GPIO / ADC_IN1 |
| Chân 13 | PA2 — GPIO / USART2_TX |
| Chân 14 | PA3 — GPIO / USART2_RX |
| Chân 15 | PA4 — GPIO / DAC_OUT1 |
| Chân 16 | PA5 — GPIO / DAC_OUT2 |
| Chân 17 | PA6 — GPIO / SPI1_MISO |
| Chân 18 | PA7 — GPIO / SPI1_MOSI |
| Chân 19 | PB0 — GPIO / ADC_IN8 |
| Chân 20 | PB1 — GPIO / ADC_IN9 |
| Chân 21 | PB2 — GPIO / BOOT1 |
| Chân 22 | PB10 — GPIO / I2C2_SCL |
| Chân 23 | PB11 — GPIO / I2C2_SDA |
| Chân 24 | PB12 — GPIO / SPI2_NSS |
| Chân 25 | PB13 — GPIO / SPI2_SCK |
| Chân 26 | PB14 — GPIO / SPI2_MISO |
| Chân 27 | PB15 — GPIO / SPI2_MOSI |
| Chân 28 | PC6 — GPIO / TIM3_CH1 |
| Chân 29 | PC7 — GPIO / TIM3_CH2 |
| Chân 30 | PC8 — GPIO / TIM3_CH3 |
| Chân 31 | PC9 — GPIO / TIM3_CH4 |
| Chân 32 | PA8 — GPIO / TIM1_CH1 |
| Chân 33 | PA9 — GPIO / USART1_TX |
| Chân 34 | PA10 — GPIO / USART1_RX |
| Chân 35 | PA11 — GPIO / CAN_RX |
| Chân 36 | PA12 — GPIO / CAN_TX |
| Chân 37 | PA13 — SWDIO |
| Chân 38 | PA14 — SWCLK |
| Chân 39 | PA15 — GPIO / TIM2_CH1 |
| Chân 40 | PB3 — GPIO / TIM2_CH2 |
| Chân 41 | PB4 — GPIO / TIM2_CH3 |
| Chân 42 | PB5 — GPIO / TIM2_CH4 |
| Chân 43 | PB6 — GPIO / I2C1_SCL |
| Chân 44 | PB7 — GPIO / I2C1_SDA |
| Chân 45 | BOOT0 — Boot mode selection |
| Chân 46 | PB8 — GPIO / CAN_RX |
| Chân 47 | PB9 — GPIO / CAN_TX |
| Chân 48 | VDD — Digital power supply |
| Chân 49 | VSS — Ground |
| Chân 50 | PC10 — GPIO / USART4_TX |
| Chân 51 | PC11 — GPIO / USART4_RX |
| Chân 52 | PC12 — GPIO / USART5_TX |
| Chân 53 | PD2 — GPIO / USART5_RX |
| Chân 54 | VSSA — Analog ground |
| Chân 55 | VREF+ — ADC reference voltage |
| Chân 56 | VREF- — ADC reference ground |
| Chân 57 | PA0 — GPIO / ADC_IN0 |
| Chân 58 | PA1 — GPIO / ADC_IN1 |
| Chân 59 | PA2 — GPIO / USART2_TX |
| Chân 60 | PA3 — GPIO / USART2_RX |
| Chân 61 | PA4 — GPIO / DAC_OUT1 |
| Chân 62 | PA5 — GPIO / DAC_OUT2 |
| Chân 63 | PA6 — GPIO / SPI1_MISO |
| Chân 64 | PA7 — GPIO / SPI1_MOSI |
Ứng dụng tiêu biểu
STM32F302R8T6 phù hợp cho 6 Áp dụngs: Motor Control, Power Management, Industrial Automation, Consumer Electronics, Medical Devices, IoT Devices.
Motor Control
The STM32F302R8T6 is ideal for field-oriented control (FOC) of brushless DC motors. Its 12-bit ADC with up to 5 MSPS sampling rate captures phase currents accurately, while the advanced-control timer generates high-resolution PWM signals. The FPU accelerates the Clarke and Park transforms, enabling efficient real-time control loops. With a 64 MHz clock, the MCU can execute complex algorithms with low latency, ensuring smooth motor operation. The integrated op-amp can condition current-sense signals, reducing external components. For a 3-phase motor, three PWM channels and three ADC channels are used, all available on this device. The CAN interface allows integration into industrial networks for remote monitoring and control. Overall, the STM32F302R8T6 provides a cost-effective solution for high-performance motor control in robotics, drones, and industrial automation.
Được đề xuất
Power Management
In power management systems, the STM32F302R8T6 excels due to its high-speed ADC and DAC. It can monitor voltage and current via the ADC, and generate control signals via the DAC or PWM timers. The 12-bit resolution provides fine granularity for precise regulation. The device's low power consumption in sleep modes makes it suitable for battery-powered applications. The op-amp can be used for signal conditioning of current sense resistors. With multiple communication interfaces, it can report status to a host controller. The wide operating voltage range (2.0V to 3.6V) allows direct connection to common power rails. For a digital power supply, the MCU can implement PID control loops at high frequency, improving transient response. The STM32F302R8T6 is a reliable choice for smart chargers, DC-DC converters, and UPS systems.
Được đề xuất
Industrial Automation
The STM32F302R8T6 is well-suited for industrial automation, including PLCs, sensors, and actuators. Its robust communication interfaces (CAN, USART, SPI, I2C) enable seamless integration into industrial networks. The 12-bit ADC can interface with various sensors, while the DAC can generate analog control signals. The device's operating temperature range (-40°C to +85°C) ensures reliability in harsh environments. The advanced timers can generate precise PWM for controlling valves, heaters, or motors. The FPU accelerates signal processing for predictive maintenance algorithms. With 51 I/O pins, it can interface with many peripherals. The STM32F302R8T6 is a cost-effective solution for distributed control systems, offering high performance and low power consumption. Its long-term availability makes it suitable for industrial products with extended lifecycles.
Được đề xuất
Consumer Electronics
In consumer electronics, the STM32F302R8T6 can be used in smart home devices, wearables, and audio equipment. Its low power consumption and small package make it ideal for portable devices. The DAC can generate audio signals, while the ADC can process sensor data. The FPU enables audio effects processing. The device supports various display interfaces via SPI or I2C. With multiple timers, it can generate tones or control LEDs. The STM32F302R8T6's rich peripheral set allows for a single-chip solution, reducing BOM cost. For a smart thermostat, it can read temperature sensors, control a heater via PWM, and communicate with a smartphone via Bluetooth (external module). The device's reliability and long-term availability make it a preferred choice for consumer products.
Được đề xuất
Medical Devices
The STM32F302R8T6 is suitable for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high-resolution ADC (12-bit) ensures accurate measurement of physiological signals. The FPU enables real-time signal processing for ECG or EEG analysis. The device's low power consumption is critical for battery-operated devices. The CAN interface allows integration into hospital networks. The operating temperature range covers clinical environments. The STM32F302R8T6's reliability and long-term availability are essential for medical applications. For a pulse oximeter, it can read the photodiode signal via ADC, process the data to calculate SpO2, and display results on an LCD. The device's rich peripheral set simplifies design, reducing time-to-market.
Được đề xuất
IoT Devices
The STM32F302R8T6 is an excellent choice for IoT edge nodes. Its low power consumption in sleep modes extends battery life. The device can collect sensor data via ADC and transmit it via UART or SPI to a wireless module. The FPU enables local data processing, reducing cloud dependency. The wide operating voltage range allows direct connection to batteries. With multiple communication interfaces, it can connect to various sensors and actuators. The STM32F302R8T6's small package and low cost make it ideal for mass-produced IoT devices. For a smart agriculture sensor, it can read soil moisture, temperature, and humidity, and send data via LoRa. The device's robustness ensures reliable operation in outdoor environments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho STM32F302R8T6 — 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 | STM32F302R8T7 | STM32F303R8T6 | STM32F301R8T6 | ATSAMD21G18A-AU |
|---|---|---|---|---|---|
| Package | LQFP-64 | LQFP-64 | LQFP-64 | LQFP-64 | TQFP-64 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Microchip Technology |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M0+ |
| Max Clock Frequency | 64 MHz | 64 MHz | 72 MHz | 64 MHz | 48 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 256 KB |
| SRAM | 16 KB | 16 KB | 40 KB | 16 KB | 32 KB |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| DAC Channels | 2 | 2 | 2 | 0 | 1 |
| CAN Interface | Yes | Yes | Yes | No | No |
Bảo phân biệt quan trọng
- Integrated operational amplifiers (vsSTM32F301R8T6)
- Higher clock speed and more SRAM (vsATSAMD21G18A-AU)
- CAN interface (vsSTM32F301R8T6)
Ghi chú thiết kế
Decouple all VDD and VDDA pins with 100nF ceramic capacitors placed as close to the pins as possible. Additionally, use a 4.7uF capacitor on VDDA for analog noise filtering. The VREF+ pin should be connected to a clean reference voltage, typically 3.3V, with a 1uF capacitor to ground. Proper decoupling is critical for ADC accuracy and stable operation.
For the LQFP-64 package, ensure a solid ground plane under the device. Route the crystal oscillator (if used) with short traces and keep it away from high-speed digital signals. Place the boot configuration resistors (BOOT0 and BOOT1) with pull-downs to ensure reliable startup. Use a 4-layer PCB for optimal EMC performance.
Do not exceed the absolute maximum ratings: VDD max 3.6V, and any I/O pin voltage must be within VSS-0.3V to VDD+0.3V. Ensure the NRST pin is pulled high with a 100nF capacitor to ground for reliable reset. When using the ADC, avoid floating input pins by configuring them as analog inputs. For CAN communication, terminate the bus with 120 ohm resistors at both ends.
Thông tin tuân thủ
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32F302R8T7 with extended temperature range.
