Overview
The STM32F302R8T6TR, produced by STMicroelectronics, is a member of the STM32F302x6/8 family of mainstream mixed-signal microcontrollers. These devices are based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 72 MHz and incorporating a floating-point unit (FPU). The microcontroller features high-speed embedded memories, including up to 64 Kbytes of Flash memory and 16 Kbytes of SRAM, along with an extensive range of enhanced I/Os and peripherals connected to two APB buses.
The STM32F302R8T6TR is designed for low-power applications, offering various power-saving modes such as Sleep, Stop, and Standby. It operates within a temperature range of –40 to +85°C (and up to +105°C for some packages) and supports a power supply voltage range of 2.0 to 3.6 V.
This microcontroller is available in various package options, including 32-, 48-, 49-, and 64-pin packages, making it versatile for different application needs.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU (72 MHz max.) |
| Flash Memory | Up to 64 Kbytes |
| SRAM | 16 Kbytes on data bus |
| ADC | 12-bit, 5 Msps, up to 15 channels |
| DAC | 1 x 12-bit channel |
| Comparators | Three fast rail-to-rail analog comparators |
| Operational Amplifier | 1 x operational amplifier in PGA mode |
| Capacitive Sensing Channels | Up to 18 channels supporting touchkey, linear, and rotary sensors |
| Timers | One 32-bit timer, one 16-bit 6-channel advanced-control timer, three 16-bit timers, and one 16-bit basic timer |
| Communication Interfaces | Three I2Cs, up to three USARTs, up to two SPIs with multiplexed full-duplex I2S, USB 2.0 full-speed interface, CAN 2.0B Active, infrared transmitter |
| Power Supply | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85°C (and up to +105°C for some packages) |
| Package Options | 32-, 48-, 49-, and 64-pin packages |
Key Features
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU, single-cycle multiplication, and HW division, DSP instruction.
- High-speed embedded memories: up to 64 Kbytes of Flash memory and 16 Kbytes of SRAM.
- Fast 12-bit ADC (5 Msps) with up to 15 channels and selectable resolution of 12/10/8/6 bits.
- One 12-bit DAC channel.
- Three fast rail-to-rail analog comparators and one operational amplifier in PGA mode.
- Up to 18 capacitive sensing channels supporting touchkey, linear, and rotary sensors.
- Extensive range of timers: one 32-bit timer, one 16-bit 6-channel advanced-control timer, three 16-bit timers, and one 16-bit basic timer.
- Low-power RTC with alarm and periodic wakeup from Stop/Standby.
- Comprehensive set of power-saving modes: Sleep, Stop, and Standby.
- Advanced communication interfaces: three I2Cs, up to three USARTs, up to two SPIs with multiplexed full-duplex I2S, USB 2.0 full-speed interface, CAN 2.0B Active, and infrared transmitter.
- Serial wire debug (SWD), JTAG, and 96-bit unique ID.
Applications
- Industrial control and automation systems.
- Medical devices requiring precise analog and digital signal processing.
- Consumer electronics such as smart home devices and wearables.
- Automotive systems, including motor control and sensor interfaces.
- IoT devices that require low power consumption and advanced communication capabilities.
- Touch sensing applications, including touchkey, linear, and rotary sensors.
Q & A
- What is the core architecture of the STM32F302R8T6TR?
The core is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU), operating at up to 72 MHz.
- How much Flash and SRAM memory does the STM32F302R8T6TR have?
It has up to 64 Kbytes of Flash memory and 16 Kbytes of SRAM.
- What are the key features of the ADC in the STM32F302R8T6TR?
The ADC is a 12-bit converter with a sampling rate of 5 Msps, supporting up to 15 channels with selectable resolution of 12/10/8/6 bits.
- Does the STM32F302R8T6TR support capacitive sensing?
Yes, it supports up to 18 capacitive sensing channels for touchkey, linear, and rotary sensors.
- What communication interfaces are available on the STM32F302R8T6TR?
The device features three I2Cs, up to three USARTs, up to two SPIs with multiplexed full-duplex I2S, a USB 2.0 full-speed interface, CAN 2.0B Active, and an infrared transmitter.
- What are the power-saving modes available on the STM32F302R8T6TR?
The device supports Sleep, Stop, and Standby modes for low-power applications.
- What is the operating temperature range of the STM32F302R8T6TR?
The operating temperature range is –40 to +85°C (and up to +105°C for some packages).
- What package options are available for the STM32F302R8T6TR?
The device is available in 32-, 48-, 49-, and 64-pin packages.
- Does the STM32F302R8T6TR have a built-in RTC?
Yes, it features a low-power RTC with alarm and periodic wakeup from Stop/Standby.
- What debug interfaces are supported by the STM32F302R8T6TR?
The device supports serial wire debug (SWD) and JTAG.
