Overview
The STM32F102CBT6 is a microcontroller from the STM32F102xx family, manufactured by STMicroelectronics. This device is part of the medium-density USB access line and features the high-performance Arm® Cortex®-M3 32-bit RISC core, operating at a maximum frequency of 48 MHz. It is designed to provide a balance between performance and power efficiency, making it suitable for a wide range of applications.
The microcontroller includes high-speed embedded memories, such as 128 Kbytes of Flash memory and 16 Kbytes of SRAM. It also offers an extensive range of enhanced peripherals and I/Os connected to two APB buses, including standard communication interfaces like I2C, SPI, USART, and a USB 2.0 full-speed interface.
The STM32F102CBT6 operates within a temperature range of –40 to +85 °C and supports various power-saving modes, including Sleep, Stop, and Standby modes, making it ideal for low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M3 CPU |
| Maximum Frequency | 48 MHz |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) at 0 WS memory access |
| Flash Memory | 128 Kbytes |
| SRAM | 16 Kbytes |
| Supply Voltage | 2.0 to 3.6 V |
| Operating Temperature | –40 to +85 °C |
| Package | LQFP48 (7 × 7 mm) |
| ADC | 1 × 12-bit, 1.2 µs A/D converter (up to 16 channels) |
| Timers | Three 16-bit timers, two watchdog timers, and a SysTick timer |
| Communication Interfaces | Up to two I2C, three USARTs, two SPIs, and one USB 2.0 full-speed interface |
| I/Os | Up to 51 fast I/O ports, 37/51 I/Os all mappable on 16 external interrupt vectors |
Key Features
- Core and Performance: Arm® 32-bit Cortex®-M3 CPU with a maximum frequency of 48 MHz and 1.25 DMIPS/MHz performance.
- Memories: 128 Kbytes of Flash memory and 16 Kbytes of SRAM.
- Power Management: 2.0 to 3.6 V application supply and I/Os, with power-saving modes including Sleep, Stop, and Standby.
- Peripherals: 1 × 12-bit ADC, three 16-bit timers, two watchdog timers, and a SysTick timer.
- Communication Interfaces: Up to two I2C, three USARTs, two SPIs, and one USB 2.0 full-speed interface.
- I/Os: Up to 51 fast I/O ports, with 37/51 I/Os all mappable on 16 external interrupt vectors.
- Debug Mode: Serial wire debug (SWD) and JTAG interfaces.
- DMA: 7-channel DMA controller.
- Low Power Modes: VBAT supply for RTC and backup registers.
Applications
The STM32F102CBT6 is versatile and suitable for a wide range of applications, including:
- Industrial Automation: Control systems, motor control, and industrial communication.
- Consumer Electronics: Home appliances, audio equipment, and gaming devices.
- Medical Devices: Portable medical devices, diagnostic equipment, and medical imaging.
- Automotive Systems: Infotainment systems, driver assistance systems, and vehicle control units.
- IoT and Wearables: Smart home devices, wearables, and IoT sensors.
Q & A
- What is the core architecture of the STM32F102CBT6?
The core architecture is based on the Arm® 32-bit Cortex®-M3 CPU.
- What is the maximum operating frequency of the STM32F102CBT6?
The maximum operating frequency is 48 MHz.
- How much Flash and SRAM memory does the STM32F102CBT6 have?
The device has 128 Kbytes of Flash memory and 16 Kbytes of SRAM.
- What are the power-saving modes available on the STM32F102CBT6?
The device supports Sleep, Stop, and Standby modes.
- What communication interfaces are available on the STM32F102CBT6?
The device includes up to two I2C, three USARTs, two SPIs, and one USB 2.0 full-speed interface.
- How many I/O ports does the STM32F102CBT6 have?
The device has up to 51 fast I/O ports.
- What is the operating temperature range of the STM32F102CBT6?
The operating temperature range is –40 to +85 °C.
- Does the STM32F102CBT6 support debug modes?
Yes, it supports serial wire debug (SWD) and JTAG interfaces.
- What is the package type of the STM32F102CBT6?
The package type is LQFP48 (7 × 7 mm).
- Is the STM32F102CBT6 suitable for low-power applications?
Yes, it is designed with low-power modes and a VBAT supply for RTC and backup registers.
