Overview
The STM32F303RDT6 is a microcontroller from STMicroelectronics, part of the STM32F303 series. It is based on the ARM® Cortex®-M4 32-bit CPU, which includes a floating-point unit (FPU) and supports single-cycle multiplication and hardware division. This microcontroller is designed for high-performance applications and offers a rich set of peripherals and features that make it suitable for a wide range of uses.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® Cortex®-M4 32-bit CPU with FPU, 72 MHz max, single-cycle multiplication and HW division, 90 DMIPS (from CCM), DSP instructions, and MPU (memory protection unit) |
| Flash Memory | Up to 512 Kbytes |
| SRAM | 64 Kbytes with HW parity check implemented on the first 32 Kbytes, and 16 Kbytes of SRAM on instruction and data bus (CCM) |
| Voltage Range | 2.0 V to 3.6 V (VDD, VDDA) |
| ADCs | Four ADCs with selectable resolution of 12/10/8/6 bits, 0 to 3.6 V conversion range |
| DACs | Two 12-bit DAC channels with analog supply from 2.4 to 3.6 V |
| Analog Comparators | Seven ultra-fast rail-to-rail analog comparators with analog supply from 2.0 to 3.6 V |
| Operational Amplifiers | Four 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 14 timers including 32-bit and 16-bit timers, watchdog timers, and a SysTick timer |
| Communication Interfaces | CAN interface (2.0B Active), up to five USART/UARTs, up to four SPIs, USB 2.0 full-speed interface, and infrared transmitter |
| Package | LQFP64, LQFP100, LQFP144, UFBGA100, WLCSP100 |
Key Features
- High-Performance CPU: ARM® Cortex®-M4 32-bit CPU with FPU, supporting single-cycle multiplication and hardware division, and DSP instructions.
- Memory and Parity Check: Up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM with hardware parity check on the first 32 Kbytes.
- Analog Peripherals: Four ADCs, two 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, and four operational amplifiers.
- Timers and Watchdogs: Up to 14 timers including 32-bit and 16-bit timers, watchdog timers, and a SysTick timer.
- Communication Interfaces: CAN interface, up to five USART/UARTs, up to four SPIs, USB 2.0 full-speed interface, and infrared transmitter.
- Low-Power Modes: Sleep, Stop, and Standby modes with VBAT supply for RTC and backup registers.
- Touch Sensing: Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication due to its CAN interface and high-performance CPU.
- Medical Devices: The presence of analog peripherals like ADCs, DACs, and operational amplifiers makes it suitable for medical devices requiring precise analog signal processing.
- Consumer Electronics: Can be used in various consumer electronics such as home appliances, audio equipment, and other devices requiring high-performance processing and multiple peripherals.
- Automotive Systems: Applicable in automotive systems due to its robust set of features, including CAN interface and low-power modes.
- IoT Devices: Suitable for IoT devices requiring efficient processing, low power consumption, and multiple communication interfaces.
Q & A
- What is the core architecture of the STM32F303RDT6?
The STM32F303RDT6 is based on the ARM® Cortex®-M4 32-bit CPU with FPU, supporting single-cycle multiplication and hardware division, and DSP instructions.
- How much Flash and SRAM memory does the STM32F303RDT6 have?
It has up to 512 Kbytes of Flash memory and 64 Kbytes of SRAM.
- What are the voltage operating conditions for the STM32F303RDT6?
The voltage range is from 2.0 V to 3.6 V (VDD, VDDA).
- What types of analog peripherals are available on the STM32F303RDT6?
It includes four ADCs, two 12-bit DAC channels, seven ultra-fast rail-to-rail analog comparators, and four operational amplifiers.
- What communication interfaces does the STM32F303RDT6 support?
It supports CAN interface, up to five USART/UARTs, up to four SPIs, USB 2.0 full-speed interface, and infrared transmitter.
- Does the STM32F303RDT6 support touch sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What are the low-power modes available on the STM32F303RDT6?
The low-power modes include Sleep, Stop, and Standby with VBAT supply for RTC and backup registers.
- What types of timers are available on the STM32F303RDT6?
It includes up to 14 timers including 32-bit and 16-bit timers, watchdog timers, and a SysTick timer.
- What is the purpose of the CRC calculation unit in the STM32F303RDT6?
The CRC calculation unit is used for cyclic redundancy check, which helps in data integrity verification.
- What package options are available for the STM32F303RDT6?
The available packages include LQFP64, LQFP100, LQFP144, UFBGA100, and WLCSP100.
