Overview
The STM32F302RDT6TR, produced by STMicroelectronics, is a high-performance microcontroller belonging to the STM32F302xD/E family. It is based on the 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). This microcontroller is designed for complex applications requiring advanced processing capabilities and a wide range of peripherals.
The device includes high-speed embedded memories such as 512 Kbytes of Flash memory and 64 Kbytes of SRAM, along with a flexible memory controller for static memories. It also features an extensive range of enhanced I/Os and peripherals connected to AHB and APB buses.
The STM32F302RDT6TR operates within a temperature range of -40 to +85°C and is powered by a 2.0 to 3.6 V supply. It offers various power-saving modes, making it suitable for low-power applications.
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 | Voltage range: 2.0 V to 3.6 V, Temperature range: -40 to +85°C |
| Memories | Up to 512 Kbytes of Flash memory, 64 Kbytes of SRAM |
| Memory Controller | Flexible memory controller (FSMC) for static memories |
| ADCs | Two fast 12-bit ADCs (5 Msps), up to 18 channels |
| DAC | One 12-bit DAC channel |
| Comparators | Four ultra-fast rail-to-rail analog comparators |
| Operational Amplifiers | Two operational amplifiers that can be used in PGA mode |
| Timers | Up to 11 timers, including 16-bit and 32-bit timers |
| Communication Interfaces | Up to three I²Cs, up to four SPIs, three USARTs, up to two UARTs, CAN, and USB 2.0 full-speed interface |
| Package | LQFP 64 10x10x1.4 mm |
| Power Modes | Sleep, Stop, and Standby modes |
Key Features
- High-Performance Core: ARM® Cortex®-M4 32-bit CPU with 72 MHz FPU, DSP instructions, and MPU.
- Advanced Peripherals: Includes two fast 12-bit ADCs, one 12-bit DAC channel, four ultra-fast rail-to-rail analog comparators, and two operational amplifiers.
- Extensive Communication Interfaces: Up to three I²Cs, up to four SPIs, three USARTs, up to two UARTs, CAN, and USB 2.0 full-speed interface.
- Memory and Storage: Up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM, with a flexible memory controller for static memories.
- Power Efficiency: Offers Sleep, Stop, and Standby power-saving modes for low-power applications.
- Timer and Clock Management: Includes up to 11 timers and various clock management options such as a 4 to 32 MHz crystal oscillator and internal oscillators.
- Capacitive Sensing: Supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
Applications
The STM32F302RDT6TR is suitable for a wide range of applications that require high-performance processing, advanced peripherals, and low power consumption. Some of the key application areas include:
- Industrial Automation: For control and monitoring systems that require advanced communication interfaces and precise timing.
- Medical Devices: For devices that need high accuracy and reliability, such as diagnostic equipment and medical sensors.
- Consumer Electronics: For products like audio devices, home appliances, and other consumer goods that benefit from the microcontroller's advanced features.
- Automotive Systems: For applications requiring robust and reliable performance, such as in-vehicle infotainment systems and automotive control units.
- IoT Devices: For Internet of Things applications that need efficient processing, low power consumption, and multiple communication interfaces.
Q & A
- What is the core architecture of the STM32F302RDT6TR?
The STM32F302RDT6TR is based on the ARM® Cortex®-M4 32-bit RISC core with a 72 MHz FPU.
- What is the memory capacity of the STM32F302RDT6TR?
The device has up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM.
- What are the operating temperature and voltage ranges for the STM32F302RDT6TR?
The operating temperature range is -40 to +85°C, and the voltage range is 2.0 V to 3.6 V.
- What types of communication interfaces are available on the STM32F302RDT6TR?
The device features up to three I²Cs, up to four SPIs, three USARTs, up to two UARTs, CAN, and a USB 2.0 full-speed interface.
- Does the STM32F302RDT6TR support power-saving modes?
Yes, it offers Sleep, Stop, and Standby power-saving modes for low-power applications.
- What types of timers are available on the STM32F302RDT6TR?
The device includes up to 11 timers, including 16-bit and 32-bit timers.
- Does the STM32F302RDT6TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the package type of the STM32F302RDT6TR?
The device is available in an LQFP 64 10x10x1.4 mm package.
- Is the STM32F302RDT6TR RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
- What are some typical applications for the STM32F302RDT6TR?
It is suitable for industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
- Does the STM32F302RDT6TR have any specific features for audio applications?
Yes, the I²S peripherals can be clocked via an external PLL to achieve audio class accuracy.
