STMicroelectronics STM32F103CBT7

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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 ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP

The STM32F103CBT7 is a 32-bit ARM Cortex-M3 MCU with 128KB flash and 20KB RAM. It operates at 72MHz with a 2-3.6V supply, featuring DMA, motor control PWM, and a temperature sensor. The 48-LQFP package suits industrial and consumer applications.

  • ARM Cortex-M3 core for high-performance computing.
  • 72MHz speed with DMA for efficient data transfer.
  • Extended temperature range (-40°C to 105°C).
  • Motor control PWM for advanced drive systems.
  • Rich analog features including temp sensor.

Motor Control Drives

Motor control PWM and 72MHz speed enable precise FOC algorithms.

Industrial Automation PLCs

Wide temperature range and DMA handle harsh environments.

Medical Monitoring Devices

High-speed ADC and DMA support real-time vital sign processing.

Consumer IoT Gateways

Rich peripherals and 128KB flash manage multiple protocols.

Robotics Controllers

Multiple timers and PWM channels coordinate joint movements.

Power Inverters

PVD and temp sensor enhance safety in high-power systems.

Q: What core does it use?
A: It uses an ARM Cortex-M3 core.
Q: What is the maximum clock speed?
A: It runs at up to 72MHz.
Q: How much flash is available?
A: It has 128KB flash memory.
Q: What is the operating temperature range?
A: It operates from -40°C to 105°C.
Q: Does it include DMA?
A: Yes, it has DMA controllers.
Base Product Number : STM32F103CB
128KB flash 32-bit MCU 72MHz ARM Cortex-M3 DMA industrial LQFP-48 motor control PWM
Q: What core does it use?
A: It uses an ARM Cortex-M3 core.
Q: What is the maximum clock speed?
A: It runs at up to 72MHz.
Q: How much flash is available?
A: It has 128KB flash memory.
Q: What is the operating temperature range?
A: It operates from -40°C to 105°C.
Q: Does it include DMA?
A: Yes, it has DMA controllers.