Overview
The STM32F103RBT6 microcontroller, manufactured by STMicroelectronics, is part of the STM32F103xx family, which belongs to the mainstream performance line. This microcontroller features an ARM Cortex-M3 core operating at a maximum frequency of 72 MHz. It is designed with a sophisticated set of peripherals, including high-speed embedded memories, enhanced I/Os, and various communication interfaces. The STM32F103RBT6 is packaged in a 64-pin LQFP, making it suitable for applications where space is a constraint. It operates from a 2.0 to 3.6 V power supply and is available in temperature ranges from –40 to +85 °C and –40 to +105 °C.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM 32-Bit Cortex-M3 CPU, 72 MHz maximum frequency |
| Memories | 128 Kbytes of Flash memory, 20 Kbytes of SRAM |
| Power Supply | 2.0 to 3.6 V application supply and I/Os |
| Temperature Range | –40 to +85 °C and –40 to +105 °C extended temperature range |
| ADCs | 2 x 12-bit ADCs, up to 16 channels, conversion range: 0 to 3.6 V |
| Timers | Three general-purpose 16-bit timers plus one PWM timer, up to four 16-bit timers with IC/OC/PWM or pulse counter and quadrature encoder input |
| Communication Interfaces | Up to two I2Cs, up to three SPIs, three USARTs, USB 2.0 full speed interface, CAN interface (2.0B Active) |
| Package | 64-pin LQFP |
| Power-Saving Modes | Sleep, Stop, and Standby modes, VBAT supply for RTC and backup registers |
| DMA | 12-channel DMA controller supporting timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs, and USARTs |
Key Features
- Core and Performance: ARM 32-Bit Cortex-M3 CPU with a maximum frequency of 72 MHz and single-cycle multiplication and hardware division.
- Memories: 128 Kbytes of Flash memory and 20 Kbytes of SRAM.
- Power Management: 2.0 to 3.6 V application supply and I/Os, POR, PDR, and programmable voltage detector (PVD), internal 8 MHz and 40 kHz RC oscillators, and PLL for CPU clock.
- ADCs and DACs: Two 12-bit ADCs with up to 16 channels, and temperature sensor.
- Timers and Counters: Three general-purpose 16-bit timers plus one PWM timer, and additional timers including watchdog and SysTick timers.
- Communication Interfaces: Up to two I2Cs, up to three SPIs, three USARTs, USB 2.0 full speed interface, and CAN interface (2.0B Active).
- Low Power Modes: Sleep, Stop, and Standby modes, VBAT supply for RTC and backup registers.
- DMA and Peripherals: 12-channel DMA controller supporting various peripherals, and an extensive range of enhanced I/Os connected to two APB buses.
Applications
The STM32F103RBT6 microcontroller is suitable for a wide range of applications due to its rich set of peripherals and high-performance capabilities. Some of the key application areas include:
- Robotics and Drones: The microcontroller provides the necessary computational power and control interfaces for tasks like navigation, object detection, and autonomous operation.
- Motor Control: With advanced motor control timers and interfaces, it is ideal for motor control applications.
- Industrial Automation: The presence of CAN, USB, and other communication interfaces makes it suitable for industrial automation and control systems).
- Consumer Electronics: Its low power consumption and extensive peripheral set make it a good choice for various consumer electronics applications).
Q & A
- What is the core of the STM32F103RBT6 microcontroller?
The STM32F103RBT6 microcontroller features an ARM 32-Bit Cortex-M3 CPU.
- What is the maximum operating frequency of the STM32F103RBT6?
The maximum operating frequency is 72 MHz.
- How much Flash and SRAM memory does the STM32F103RBT6 have?
The STM32F103RBT6 has 128 Kbytes of Flash memory and 20 Kbytes of SRAM.
- What is the power supply range for the STM32F103RBT6?
The power supply range is from 2.0 to 3.6 V.
- What are the temperature ranges for the STM32F103RBT6?
The temperature ranges are from –40 to +85 °C and –40 to +105 °C extended temperature range.
- Does the STM32F103RBT6 support low power modes?
Yes, it supports Sleep, Stop, and Standby modes, along with VBAT supply for RTC and backup registers.
- What communication interfaces are available on the STM32F103RBT6?
The microcontroller features up to two I2Cs, up to three SPIs, three USARTs, USB 2.0 full speed interface, and CAN interface (2.0B Active).
- Is the STM32F103RBT6 RoHS compliant?
Yes, the STM32F103RBT6 is RoHS compliant.
- What package type is the STM32F103RBT6 available in?
The STM32F103RBT6 is available in a 64-pin LQFP package.
- What are some typical applications for the STM32F103RBT6?
Typical applications include robotics, drones, motor control, industrial automation, and consumer electronics.
