STMicroelectronics STM32F101CBT6 32-Bit Microcontroller

The STMicroelectronics

STM32F101CBT6

is a high-performance 32-bit microcontroller designed for embedded systems requiring robust processing capabilities and versatile peripheral integration. Built on the ARM® Cortex®-M3 architecture, this microcontroller combines advanced computational power with energy-efficient operation, making it ideal for applications ranging from industrial automation to IoT devices.

At its core, the STM32F101CBT6 features a 36MHz ARM Cortex-M3 processor, delivering exceptional speed for real-time tasks. With 128KB of Flash memory and 16KB of SRAM, it provides ample storage for complex code and data handling. The device's 48-LQFP package ensures compact integration while maintaining 37 programmable I/O pins, offering flexibility for diverse hardware configurations.

This microcontroller excels in connectivity, supporting I²C, SPI, UART, and CAN interfaces for seamless communication with sensors, displays, and other peripherals. Its advanced peripherals include a 10-channel 12-bit ADC, DMA controller, and integrated temperature sensor, enabling precise analog-to-digital conversions and efficient data management without CPU intervention.

Engineered for reliability, the STM32F101CBT6 operates within a -40°C to 85°C temperature range, making it suitable for harsh industrial environments. The 2V-3.6V voltage supply range ensures compatibility with various power systems while maintaining low-power consumption through multiple sleep modes. Built-in safety features like a watchdog timer and voltage monitoring enhance system stability.

Key applications include:

Industrial Control Systems

Motor drives, PLCs, and factory automation equipment benefit from its precise PWM generation and real-time processing capabilities.

Smart Energy Solutions

Energy meters and grid monitoring devices utilize its ADC precision and communication interfaces for accurate power management.

Consumer Electronics

Wearable devices and home automation systems leverage its compact 7x7mm footprint and low-power modes.

Automotive Diagnostics

On-board diagnostics and sensor hubs exploit its CAN interface and temperature tolerance for vehicle integration.

As part of STMicroelectronics' STM32F1 series, the STM32F101CBT6 benefits from extensive development resources including STM32CubeMX configuration tools, HAL libraries, and comprehensive documentation. The device's pin compatibility with other STM32 family members simplifies scaling between projects.

Technical Highlights

Specification	Details
Core	ARM Cortex-M3 @ 36MHz
Memory	128KB Flash, 16KB SRAM
I/O Pins	37 programmable GPIO
ADC	10x 12-bit channels
Package	48-LQFP (7x7mm)

Developers can accelerate time-to-market using ST's ecosystem of NUCLEO development boards and middleware libraries. The microcontroller's compliance with IEC-60750-1 safety standards ensures reliability in critical applications.

Tags: ARM Cortex-M3, Embedded Systems, Industrial Automation, IoT Devices, Microcontroller Units