Overview
The STM32F302RDT6 is a member of the STM32F302xD/E family of microcontrollers produced by STMicroelectronics. This device is based on the high-performance ARM® Cortex®-M4 32-bit RISC core, operating at a frequency of 72 MHz and featuring a floating point unit (FPU), a memory protection unit (MPU), and an embedded trace macrocell (ETM). The microcontroller incorporates high-speed embedded memories, including 512 Kbytes of Flash memory and 64 Kbytes of SRAM, along with a flexible memory controller for static memories. It also includes a wide range of enhanced I/Os and peripherals connected to AHB and APB buses.
The STM32F302RDT6 is designed for low-power applications, offering various power-saving modes such as Sleep, Stop, and Standby. It operates within a temperature range of -40 to +85°C and is powered by a 2.0 to 3.6 V supply. The device is available in a 64-pin LQFP package.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® Cortex®-M4 32-bit CPU with 72 MHz FPU, single-cycle multiplication and HW division, DSP instruction, and MPU |
| Operating Conditions | VDD, VDDA voltage range: 2.0 V to 3.6 V |
| Memories | Up to 512 Kbytes of Flash memory, 64 Kbytes of SRAM with HW parity check on the first 32 Kbytes |
| Memory Controller | Flexible memory controller (FSMC) for static memories |
| Clock Management | 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC, internal 8 MHz RC with x 16 PLL option, internal 40 kHz oscillator |
| ADCs | Two 12-bit ADCs (5 Msps), up to 18 channels, selectable resolution of 12/10/8/6 bits |
| DAC | One 12-bit DAC channel with analog supply from 2.4 to 3.6 V |
| Comparators | Four ultra-fast rail-to-rail analog comparators with analog supply from 2.0 to 3.6 V |
| Operational Amplifiers | Two operational amplifiers that can be used in PGA mode, all terminals accessible with analog supply from 2.4 to 3.6 V |
| Timers | Up to 11 timers including one 32-bit timer and multiple 16-bit timers with various functionalities |
| Communication Interfaces | CAN interface (2.0B Active), three I2C Fast mode plus, up to five USART/UARTs, up to four SPIs, USB 2.0 full-speed interface with LPM support |
| Package | LQFP 64 10x10x1.4 mm |
| Operating Temperature | -40 to +85°C |
Key Features
- High-performance ARM® Cortex®-M4 32-bit CPU with FPU, single-cycle multiplication, and HW division.
- Embedded memories: up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM.
- Flexible memory controller (FSMC) for static memories.
- Low-power modes: Sleep, Stop, and Standby.
- Advanced analog peripherals: two 12-bit ADCs, one 12-bit DAC channel, four ultra-fast rail-to-rail analog comparators, and two operational amplifiers.
- Extensive range of timers: up to 11 timers including one 32-bit timer and multiple 16-bit timers.
- Comprehensive communication interfaces: CAN, I2C, USART/UART, SPI, and USB 2.0 full-speed interface.
- Up to 115 fast I/Os, all mappable on external interrupt vectors.
- Support for capacitive sensing channels and touchkey, linear, and rotary touch sensors.
- Calendar RTC with Alarm and periodic wakeup from Stop/Standby.
Applications
- Industrial control systems: The STM32F302RDT6 is suitable for applications requiring high-performance processing and advanced analog capabilities.
- Automotive systems: The device's robust communication interfaces and motor control timers make it ideal for automotive applications.
- Medical devices: The high precision of the ADCs and DACs, along with the low-power modes, make it suitable for medical devices.
- Consumer electronics: The USB and SPI interfaces, along with the capacitive sensing capabilities, make it a good fit for consumer electronics.
- IoT devices: The low-power modes and comprehensive set of communication interfaces make it suitable for IoT applications.
Q & A
- What is the core architecture of the STM32F302RDT6?
The STM32F302RDT6 is based on the ARM® Cortex®-M4 32-bit RISC core with a 72 MHz FPU.
- What are the memory specifications of the STM32F302RDT6?
The device features up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM.
- What are the key analog peripherals of the STM32F302RDT6?
The device includes two 12-bit ADCs, one 12-bit DAC channel, four ultra-fast rail-to-rail analog comparators, and two operational amplifiers.
- What communication interfaces does the STM32F302RDT6 support?
The device supports CAN, I2C, USART/UART, SPI, and USB 2.0 full-speed interface.
- What are the power-saving modes available on the STM32F302RDT6?
The device offers Sleep, Stop, and Standby low-power modes.
- What is the operating temperature range of the STM32F302RDT6?
The device operates within a temperature range of -40 to +85°C.
- What is the package type of the STM32F302RDT6?
The device is available in a 64-pin LQFP package.
- Does the STM32F302RDT6 support capacitive sensing?
Yes, the device supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the purpose of the embedded trace macrocell (ETM) in the STM32F302RDT6?
The ETM is used for debugging and tracing the execution of the CPU.
- Can the STM32F302RDT6 be used in automotive applications?
Yes, the device's robust communication interfaces and motor control timers make it suitable for automotive applications.
- Is the STM32F302RDT6 RoHS compliant?
Yes, the device is RoHS compliant with an Ecopack2 grade.
