STMicroelectronics STM32F103R8T7TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F1
Packaging Tape & Reel (TR) | NULL
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 51
Program Memory Size 64KB (64K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 20K x 8
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Data Converters A/D 16x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-LQFP (10x10)
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F103R8T7TR is a 32-bit MCU from STMicroelectronics, featuring an ARM Cortex-M3 core at 72MHz. It provides 64KB flash and 20KB SRAM in a 64-LQFP package. Operating from 2V to 3.6V, it includes DMA, motor control PWM, PDR, POR, PVD, PWM, temp sensor, and WDT. Suitable for industrial and consumer applications requiring balanced performance and cost.

  • 72MHz Cortex-M3 delivers high throughput for real-time tasks.
  • Rich analog and timer peripherals reduce external component count.
  • Wide voltage range (2V-3.6V) supports battery and regulated supplies.
  • Mature ecosystem with extensive STM32 software libraries.

Industrial Drives

Motor Control PWM and DMA enable efficient field-oriented control of BLDC motors.

Medical Monitoring Devices

Low power modes and 72MHz processing handle real-time vital sign algorithms.

Consumer Robotics

Rich peripheral set (PWM, ADC, timers) supports servo control and sensor fusion.

Smart Home Gateways

64KB flash and 20KB RAM run lightweight IoT protocols with ease.

Battery-Powered Tools

2V minimum supply and WDT ensure safe operation in cordless equipment.

Automotive Aftermarket

Temp sensor and PVD help monitor battery health in car accessories.

Q: What is the maximum clock speed?
A: 72MHz with an ARM Cortex-M3 core.
Q: What memory is available?
A: 64KB flash and 20KB SRAM.
Q: What is the supply voltage?
A: 2V to 3.6V, typical 3.3V.
Q: Does it support motor control?
A: Yes, includes Motor Control PWM and DMA.
Base Product Number : STM32F103R8T7
20KB SRAM 32-bit MCU 64KB flash 72MHz ARM Cortex-M3 consumer DMA industrial LQFP-64 motor control PWM
Q: What is the maximum clock speed?
A: 72MHz with an ARM Cortex-M3 core.
Q: What memory is available?
A: 64KB flash and 20KB SRAM.
Q: What is the supply voltage?
A: 2V to 3.6V, typical 3.3V.
Q: Does it support motor control?
A: Yes, includes Motor Control PWM and DMA.