STMicroelectronics STM32F103CBT6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F1
Packaging Tray |
Core Processor ARM® Cortex®-M3
Core Size 32-Bit Single-Core
Speed 72MHz
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB
Peripherals DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
Number of I/O 37
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 20K x 8
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Data Converters A/D 10x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package -
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F103CBT6 is a versatile 32-bit microcontroller from STMicroelectronics, featuring an ARM Cortex-M3 core at 72 MHz. It provides 128KB of flash and 20KB of SRAM, balancing performance and memory for mid-range applications. The device operates from 2V to 3.6V and is rated for -40°C to 85°C, ensuring reliability across various conditions. Housed in a 48-LQFP package, it integrates DMA, motor control PWM, and multiple protection circuits, making it a robust choice for industrial and consumer electronics.

  • Balanced performance: 72 MHz speed with 128KB flash for complex applications without over-provisioning.
  • Reliable operation: PDR, POR, and PVD protect against power anomalies, enhancing system stability.
  • Easy integration: 48-LQFP package is industry-standard, simplifying manufacturing and prototyping.
  • Rich peripherals: Motor control PWM and DMA support advanced control and data movement.

Industrial Automation Controllers

The 72 MHz Cortex-M3 core and 128KB flash enable complex PLC logic and HMI interfacing, while the 48-LQFP package simplifies board layout in modular systems.

Robotics and Drone Flight Controllers

Motor control PWM and DMA allow precise, low-latency control of multiple motors, essential for stable flight and robotic arm movements.

Smart Grid and Energy Meters

With a 2V to 3.6V supply and robust protection features, it reliably processes metering data and communicates via standard interfaces in harsh grid environments.

Automotive Aftermarket ECUs

Operating at -40°C to 85°C, it handles engine sensor fusion and actuator control in retrofit performance modules, with WDT ensuring fail-safe operation.

Building Management Systems

The MCU manages HVAC actuators, lighting controls, and access panels, leveraging its PWM outputs and low-power modes for energy savings.

Test and Measurement Equipment

High-speed ADC and DMA facilitate accurate data acquisition in portable oscilloscopes and data loggers, with the temp sensor aiding in calibration.

Q: What is the core and speed of the STM32F103CBT6?
A: It uses an ARM Cortex-M3 core running at up to 72 MHz, offering strong computational performance.
Q: What memory does it include?
A: It has 128KB of flash memory and 20KB of SRAM, suitable for complex firmware and data buffering.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C, making it suitable for industrial and automotive environments.
Q: What package is this MCU available in?
A: It comes in a 48-LQFP package, which is easy to solder and widely used in PCB designs.
Q: Does it support motor control?
A: Yes, it includes motor control PWM timers, along with DMA, PDR, POR, PVD, PWM, temp sensor, and WDT.
Base Product Number : STM32F103CBT6
128KB Flash 20KB RAM 32-bit MCU 72MHz ARM Cortex-M3 Industrial LQFP-48 Motor Control STM32F103CBT6 STMicroelectronics
Q: What is the core and speed of the STM32F103CBT6?
A: It uses an ARM Cortex-M3 core running at up to 72 MHz, offering strong computational performance.
Q: What memory does it include?
A: It has 128KB of flash memory and 20KB of SRAM, suitable for complex firmware and data buffering.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C, making it suitable for industrial and automotive environments.
Q: What package is this MCU available in?
A: It comes in a 48-LQFP package, which is easy to solder and widely used in PCB designs.
Q: Does it support motor control?
A: Yes, it includes motor control PWM timers, along with DMA, PDR, POR, PVD, PWM, temp sensor, and WDT.