
Description
Hardware Design Features of the STM32F103C8T6 Minimum System Board
1. Rich Interface Selection
The board provides over ten types of standard interfaces, facilitating convenient experimentation and development with various peripherals.
2. Flexible Design Architecture
Most onboard resources are configurable to adapt to different application requirements. Dozens of I/O ports are accessible, significantly enhancing expansion capabilities and usability.
3. Comprehensive Resource Allocation
The main controller is an STM32F103C8T6 with 64KB of integrated Flash and 20KB of SRAM, meeting the needs of entry-level embedded applications and compact projects.
4. User-Oriented Design
- All interfaces feature clear silkscreen labels within outlined boxes for intuitive identification.
- The logical interface placement ensures convenient accessibility and allows perfect insertion into a breadboard, greatly simplifying expansion and prototyping.
Specification
STM32F103C8T6 Minimum System Board - Technical Specifications
Main Controller
- CPU: STM32F103C8T6 ×1
- Flash: 64KB
- SRAM: 20KB
Indicators & Controls
- Power Indicator: Blue LED ×1
- Status Indicator: Red (LED0) ×1
- Reset Button: For MCU reset ×1
- Function Buttons: KEY0 (with boot mode setting), KEY_UP (with wake-up function) ×2
Debugging & Programming
- SWD Debug Port: For debugging and code download ×1
Power Management
- 5V Power Input/Output ×1
- 3.3V Power Input/Output ×3
Configuration & Expansion
- ADC Reference Voltage Setting Interface ×1
- I/O Ports: 35 available for expansion
Block Diagram


Documentation
- Schematic
- Datasheet
- Block digram
- IO assignment
- STM32F103XX datasheet
- STM32F10xxx reference manual
- EEPROM emulation in STM32F101xx and STM32F103xx