The STM32F103R8T6 is a popular, medium-density performance line 32-bit microcontroller manufactured by STM. It is built on the high-performance Arm Cortex-M3 RISC core and operates at a maximum frequency of 72 MHz. This chip balancing processing power and energy efficiency, making it a staple choice for industrial, robotic, and consumer electronics hardware.
Key Technical Specifications
- Core Architecture: Arm Cortex-M3 32-bit RISC operating at 72 MHz max.
- Memory: 64 KB of Flash program memory and 20 KB of SRAM.
- Operating Voltage: 2.0 V to 3.6 V (highly efficient for battery-powered or standard 3.3V circuits).
- Package Type: LQFP-64 (Low-profile Quad Flat Package with 64 pins, measuring 10x10x1.4 mm).
- Operating Temperature: -40°C to +85°C standard (up to +105°C extended)
Peripherals & Connectivity
- Timers: Three general-purpose 16-bit timers, one 16-bit PWM motor control timer, two watchdog timers, and a 24-bit SysTick down-counter.
- Analog: Two 12-bit Analog-to-Digital Converters (ADCs) featuring up to 16 multiplexed channels.
- I/O Ports: Up to 51 fast I/O ports, almost all of which are 5V-tolerant.
- Interfaces: Comprehensive interface array including 1 x USB 2.0 full-speed, 1 x CAN, 2 x SPI, 2 x I2C, and 3 x USART channels.
- Debugging: Supports both Serial Wire Debug (SWD) and JTAG interfaces for straightforward programming and troubleshooting
Part Number Breakdown
Understanding the exact suffix code helps ensure you order the right variant:
- STM32: STMicroelectronics ARM Cortex-M family.
- F103: Performance line device series.
- R: 64 pins package pin count.
- 8: 64 Kbytes embedded Flash memory size.
- T: LQFP package type.
- 6: -40°C to +85°C industrial temperature range
