Overview
The STM32F103CBU6 is a medium-density performance line microcontroller from STMicroelectronics, based on the Arm® 32-bit Cortex®-M3 CPU core. It operates at a maximum frequency of 72 MHz and features high-speed embedded memories, including up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM. This microcontroller is designed for a wide range of applications requiring high performance, low power consumption, and extensive peripheral sets.
Key Specifications
| Parameter | Value |
|---|---|
| CPU Core | Arm® 32-bit Cortex®-M3 |
| Maximum Frequency | 72 MHz |
| Flash Memory | Up to 128 Kbytes |
| SRAM | 20 Kbytes |
| Operating Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40 to +85°C or -40 to +105°C (extended range) |
| Number of I/Os | 37 (all mappable on 16 external interrupt vectors, almost all 5 V-tolerant) |
| ADCs | Two 12-bit ADCs (up to 16 channels) |
| Timers | Seven timers (three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, SysTick timer) |
| Communication Interfaces | Up to two I2C, up to three USARTs, up to two SPIs, one CAN 2.0B, one USB 2.0 full-speed |
| Debug Mode | Serial wire debug (SWD) and JTAG interfaces |
Key Features
- High-performance Arm® 32-bit Cortex®-M3 CPU core with a maximum frequency of 72 MHz.
- High-speed embedded memories: up to 128 Kbytes of Flash memory and 20 Kbytes of SRAM.
- Extensive range of peripherals including two 12-bit ADCs, seven timers, and multiple communication interfaces (I2C, SPI, USART, CAN, USB).
- Low-power modes: Sleep, Stop, and Standby modes for power-efficient applications.
- Debug capabilities: Serial wire debug (SWD) and JTAG interfaces.
- Up to 80 fast I/O ports, with 37 I/Os in the STM32F103CBU6 model.
Applications
The STM32F103CBU6 microcontroller is suitable for a variety of applications, including:
- Industrial control systems.
- Medical devices.
- Consumer electronics.
- Automotive systems.
- IoT devices.
- Motor control and automation.
Q & A
- What is the CPU core of the STM32F103CBU6?
The CPU core is the Arm® 32-bit Cortex®-M3. - What is the maximum operating frequency of the STM32F103CBU6?
The maximum operating frequency is 72 MHz. - How much Flash memory does the STM32F103CBU6 have?
The STM32F103CBU6 has up to 128 Kbytes of Flash memory. - What is the operating voltage range of the STM32F103CBU6?
The operating voltage range is 2.0 to 3.6 V. - How many I/O ports does the STM32F103CBU6 have?
The STM32F103CBU6 has 37 I/O ports. - What communication interfaces are available on the STM32F103CBU6?
The available communication interfaces include up to two I2C, up to three USARTs, up to two SPIs, one CAN 2.0B, and one USB 2.0 full-speed. - Does the STM32F103CBU6 support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes for low-power applications. - What debug interfaces are available on the STM32F103CBU6?
The available debug interfaces include Serial wire debug (SWD) and JTAG. - What is the temperature range for the STM32F103CBU6?
The temperature range is -40 to +85°C or -40 to +105°C (extended range). - How many ADC channels does the STM32F103CBU6 have?
The STM32F103CBU6 has two 12-bit ADCs with up to 16 channels.
