Overview
The STM32F103CBT7 is a medium-density performance line microcontroller from STMicroelectronics, part of the STM32F103xx family. It features the high-performance Arm® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 72 MHz. This microcontroller is designed for a wide range of applications requiring high performance, low power consumption, and extensive peripheral support.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Core | Arm® 32-bit Cortex®-M3 |
| Maximum Clock Frequency | 72 MHz |
| Flash Memory | 128 Kbytes |
| SRAM | 20 Kbytes |
| ADC Resolution | 12-bit (up to 16 channels) |
| Timers | Three 16-bit timers, one 16-bit motor control PWM timer, two watchdog timers, and one SysTick timer |
| Communication Interfaces | Up to two I2C, up to three USARTs, up to two SPIs, one USB 2.0 full-speed, and one CAN 2.0B interface |
| Supply Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40°C to 105°C |
| Package Type | LQFP48 |
Key Features
- Arm® 32-bit Cortex®-M3 CPU core with single-cycle multiplication and hardware division.
- High-speed embedded memories: 128 Kbytes of Flash memory and 20 Kbytes of SRAM.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses.
- Two 12-bit ADCs with up to 16 channels, dual-sample and hold capability, and a temperature sensor.
- Seven timers, including three 16-bit timers, one 16-bit motor control PWM timer, and two watchdog timers.
- Up to nine communication interfaces: I2C, USART, SPI, USB, and CAN.
- Low-power modes: Sleep, Stop, and Standby, with VBAT supply for RTC and backup registers.
- 7-channel DMA controller supporting peripherals like timers, ADC, SPIs, I2Cs, and USARTs.
- CRC calculation unit and 96-bit unique ID.
Applications
The STM32F103CBT7 is suitable for a variety of applications, including:
- Industrial control systems
- Medical devices
- Automotive systems
- Consumer electronics
- IoT devices
- Motor control and power management systems
Q & A
- What is the maximum clock frequency of the STM32F103CBT7?
The maximum clock frequency is 72 MHz. - How much Flash memory does the STM32F103CBT7 have?
The STM32F103CBT7 has 128 Kbytes of Flash memory. - What is the resolution of the ADCs in the STM32F103CBT7?
The ADCs have a 12-bit resolution with up to 16 channels. - What communication interfaces are available on the STM32F103CBT7?
The microcontroller features up to two I2C, up to three USARTs, up to two SPIs, one USB 2.0 full-speed, and one CAN 2.0B interface. - What are the low-power modes available on the STM32F103CBT7?
The microcontroller supports Sleep, Stop, and Standby modes, with VBAT supply for RTC and backup registers. - What is the operating temperature range of the STM32F103CBT7?
The operating temperature range is -40°C to 105°C. - What package type is the STM32F103CBT7 available in?
The STM32F103CBT7 is available in an LQFP48 package. - Does the STM32F103CBT7 support DMA?
Yes, it supports a 7-channel DMA controller. - What is the supply voltage range for the STM32F103CBT7?
The supply voltage range is 2.0 to 3.6 V. - Is the STM32F103CBT7 suitable for motor control applications?
Yes, it includes a 16-bit motor control PWM timer with dead-time generation and emergency stop.
