Overview
The STM32F302RBT7 is a microcontroller from the STM32F302xB/STM32F302xC family, produced by STMicroelectronics. This device is based on the high-performance ARM® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 72 MHz. It features a floating point unit (FPU), a memory protection unit (MPU), and an embedded trace macrocell (ETM). The microcontroller is designed for a wide range of applications requiring high performance, low power consumption, and advanced peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M4 32-bit CPU with FPU (72 MHz max) |
| Memories | 128 to 256 Kbytes of Flash memory, up to 40 Kbytes of SRAM |
| Operating Conditions | VDD, VDDA voltage range: 2.0 V to 3.6 V, Temperature range: -40 to +85 °C or -40 to +105 °C |
| ADCs | Two 12-bit ADCs (5 Msps), up to 17 channels |
| DAC | One 12-bit DAC channel |
| Comparators | Four fast rail-to-rail analog comparators |
| Operational Amplifiers | Two operational amplifiers in PGA mode |
| Timers | Up to 11 timers, including one 32-bit timer and multiple 16-bit timers |
| Communication Interfaces | CAN interface, two I2C, up to five USART/UARTs, up to three SPIs, USB 2.0 full speed interface |
| Package | LQFP 64 10x10x1.4 mm |
| Low-Power Modes | Sleep, Stop, and Standby modes |
Key Features
- High-performance ARM® Cortex®-M4 32-bit CPU with FPU, single-cycle multiplication and HW division, DSP instruction, and MPU.
- High-speed embedded memories: up to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses.
- Advanced analog peripherals: two 12-bit ADCs, one 12-bit DAC channel, four fast rail-to-rail analog comparators, and two operational amplifiers.
- Multiple timers: one 32-bit timer and several 16-bit timers with various functionalities.
- Standard and advanced communication interfaces: CAN, I2C, USART/UART, SPI, and USB 2.0 full speed interface.
- Low-power modes: Sleep, Stop, and Standby, with VBAT supply for RTC and backup registers.
- Up to 87 fast I/Os, all mappable on external interrupt vectors, with several 5 V-tolerant I/Os.
- 12-channel DMA controller and interconnect matrix.
- Support for capacitive sensing channels and touchkey, linear, and rotary touch sensors.
Applications
- Industrial control systems: The microcontroller's advanced peripherals and low-power modes make it suitable for industrial automation and control applications.
- Medical devices: The high precision of the analog peripherals and the reliability of the device make it a good fit for medical equipment.
- Consumer electronics: The USB and other communication interfaces, along with the capacitive sensing capabilities, make it suitable for various consumer electronic devices.
- Automotive systems: The CAN interface and robust operating conditions make it appropriate for automotive applications.
- IoT devices: The low power consumption and advanced communication interfaces make it a good choice for Internet of Things (IoT) applications.
Q & A
- What is the core architecture of the STM32F302RBT7?
The STM32F302RBT7 is based on the ARM® Cortex®-M4 32-bit RISC core with FPU, operating at up to 72 MHz.
- What are the memory specifications of the STM32F302RBT7?
The device has 128 to 256 Kbytes of Flash memory and up to 40 Kbytes of SRAM.
- What is the operating voltage range of the STM32F302RBT7?
The operating voltage range is from 2.0 V to 3.6 V.
- What are the key analog peripherals of the STM32F302RBT7?
The device includes two 12-bit ADCs, one 12-bit DAC channel, four fast rail-to-rail analog comparators, and two operational amplifiers.
- What communication interfaces does the STM32F302RBT7 support?
The device supports CAN, I2C, USART/UART, SPI, and USB 2.0 full speed interface.
- What are the low-power modes available on the STM32F302RBT7?
The device features Sleep, Stop, and Standby low-power modes.
- What is the package type of the STM32F302RBT7?
The device is available in LQFP 64 10x10x1.4 mm package.
- Does the STM32F302RBT7 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the temperature range for the STM32F302RBT7?
The device operates in the -40 to +85 °C or -40 to +105 °C temperature range.
- Does the STM32F302RBT7 have a unique ID?
Yes, it features a 96-bit unique ID.
