Overview
The STM32F303RET6 is a microcontroller from the STM32F303xD/E family, produced by STMicroelectronics. It 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). This 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 |
| Flash Memory | Up to 512 Kbytes |
| SRAM | 64 Kbytes with HW parity check on the first 32 Kbytes, plus 16 Kbytes of SRAM on instruction and data bus (CCM) |
| Operating Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40 to +85°C, -40 to +105°C |
| Package | LQFP 64 10x10x1.4 mm |
| Timers | Up to 14 timers: One 32-bit timer, two 16-bit timers, and advanced-control timers |
| ADCs | Four ADCs with selectable resolution of 12/10/8/6 bits, up to 40 channels |
| DACs | Two 12-bit DAC channels |
| Comparators | Seven ultra-fast rail-to-rail analog comparators |
| Op-Amps | Four operational amplifiers |
| Communication Interfaces | Up to five USART/UARTs, up to four SPIs, three I2C, USB 2.0 full-speed interface, CAN 2.0B |
| I/Os | Up to 115 fast I/Os, several 5 V-tolerant |
Key Features
- High-Performance Core: ARM® Cortex®-M4 32-bit CPU with FPU, single-cycle multiplication and HW division, 90 DMIPS.
- Memory and Storage: Up to 512 Kbytes of Flash memory, 64 Kbytes of SRAM, and a flexible memory controller (FSMC) for static memories.
- Advanced Peripherals: Four ADCs, two 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, and four operational amplifiers.
- Communication Interfaces: Multiple USART/UARTs, SPIs, I2C, USB 2.0 full-speed interface, and CAN 2.0B.
- Low-Power Modes: Sleep, Stop, and Standby modes for low-power applications.
- Clock Management: 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC, internal 8 MHz RC with x 16 PLL option, and internal 40 kHz oscillator.
- Reset and Supply Management: Power-on/Power-down reset (POR/PDR), programmable voltage detector (PVD), and VBAT supply for RTC and backup registers.
Applications
- Industrial Automation: Motor control, power management, and industrial communication protocols.
- Medical Devices: Portable medical devices, diagnostic equipment, and medical imaging.
- Automotive Systems: Infotainment systems, driver assistance systems, and vehicle control units.
- Consumer Electronics: Smart home devices, wearables, and handheld devices.
- IoT Devices: Internet of Things applications requiring high performance and low power consumption.
Q & A
- What is the core architecture of the STM32F303RET6?
The STM32F303RET6 is based on the ARM® Cortex®-M4 32-bit RISC core with FPU, operating at 72 MHz.
- How much Flash memory does the STM32F303RET6 have?
The STM32F303RET6 has up to 512 Kbytes of Flash memory.
- What are the operating voltage and temperature ranges of the STM32F303RET6?
The operating voltage range is 2.0 to 3.6 V, and the operating temperature range is -40 to +85°C or -40 to +105°C.
- What types of timers are available on the STM32F303RET6?
The STM32F303RET6 features up to 14 timers, including one 32-bit timer, two 16-bit timers, and advanced-control timers.
- How many ADC and DAC channels does the STM32F303RET6 have?
The STM32F303RET6 has four ADCs with up to 40 channels and two 12-bit DAC channels.
- What communication interfaces are available on the STM32F303RET6?
The microcontroller features multiple USART/UARTs, SPIs, I2C, USB 2.0 full-speed interface, and CAN 2.0B.
- Does the STM32F303RET6 support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes for low-power applications.
- What is the package type of the STM32F303RET6?
The package type is LQFP 64 10x10x1.4 mm.
- How many I/Os does the STM32F303RET6 have?
The microcontroller has up to 115 fast I/Os, with several being 5 V-tolerant.
- What are some typical applications of the STM32F303RET6?
Typical applications include industrial automation, medical devices, automotive systems, consumer electronics, and IoT devices.
