Overview
The STM32F303RET6TR, produced by STMicroelectronics, is a member of the STM32F303xD/E family of microcontrollers. 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 is designed for a wide range of applications requiring high performance, low power consumption, and advanced peripherals.
The STM32F303RET6TR offers a comprehensive set of features, including high-speed embedded memories, a flexible memory controller, and an extensive range of enhanced I/Os and peripherals. It is suitable for industrial, automotive, and consumer electronics applications where reliability and performance are critical.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M4 32-bit CPU with 72 MHz FPU, single-cycle multiplication and HW division, 90 DMIPS (from CCM), DSP instruction and MPU |
| Operating Voltage | 2.0 V to 3.6 V |
| 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) |
| ADCs | Four 12-bit ADCs (5 Msps), up to 40 channels |
| DACs | Two 12-bit DAC channels |
| Comparators | Seven ultra-fast rail-to-rail analog comparators |
| Operational Amplifiers | Four operational amplifiers that can be used in PGA mode |
| Timers | Up to 14 timers, including one 32-bit timer and multiple 16-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 |
| Operating Temperature | -40°C to +85°C or -40°C to +105°C |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- High-performance ARM® Cortex®-M4 32-bit CPU with FPU, single-cycle multiplication, and HW division.
- High-speed embedded memories: up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM.
- Flexible memory controller (FSMC) for static memories.
- Extensive range of enhanced I/Os and peripherals, including four 12-bit ADCs, two 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, and four operational amplifiers.
- Advanced communication interfaces: up to three I2Cs, up to four SPIs, three USARTs, up to two UARTs, CAN, and USB 2.0 full-speed interface.
- Low-power modes: Sleep, Stop, and Standby.
- Comprehensive set of timers, including advanced motor control timers.
- Up to 115 fast I/Os, all mappable on external interrupt vectors.
- Internal oscillators: 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.
Applications
- Industrial automation and control systems.
- Automotive systems, including motor control and sensor interfaces.
- Consumer electronics requiring high performance and low power consumption.
- Medical devices that need advanced analog and digital peripherals.
- IoT devices requiring robust communication interfaces and low power modes.
Q & A
- What is the core architecture of the STM32F303RET6TR?
The core architecture is based on the ARM® Cortex®-M4 32-bit RISC core with a floating point unit (FPU), operating at 72 MHz.
- What is the range of operating voltage for the STM32F303RET6TR?
The operating voltage range is 2.0 V to 3.6 V.
- How much Flash and SRAM memory does the STM32F303RET6TR have?
It has up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM.
- What types of ADCs and DACs are available on the STM32F303RET6TR?
It features four 12-bit ADCs and two 12-bit DAC channels.
- What communication interfaces are supported by the STM32F303RET6TR?
The device supports up to three I2Cs, up to four SPIs, three USARTs, up to two UARTs, CAN, and a USB 2.0 full-speed interface.
- What are the low-power modes available on the STM32F303RET6TR?
The device offers Sleep, Stop, and Standby low-power modes.
- What is the operating temperature range for the STM32F303RET6TR?
The operating temperature range is -40°C to +85°C or -40°C to +105°C.
- What package options are available for the STM32F303RET6TR?
The device is available in an LQFP 64 10x10x1.4 mm package.
- Does the STM32F303RET6TR support motor control timers?
Yes, it includes advanced motor control timers.
- How many I/Os does the STM32F303RET6TR have?
The device has up to 115 fast I/Os, all mappable on external interrupt vectors.
