STM32F103C8T6 Blue Pill Development Board 32-Bit with Debugging Function
The STM32F103C8T6, manufactured by STMicroelectronics, is a high-performance 32-bit microcontroller powered by an Arm Cortex-M3 core, operating at up to 72 MHz. With 64 KB of Flash memory and 20 KB of SRAM, it provides ample storage for embedded applications.
Housed in a 48-pin LQFP package, this microcontroller features a comprehensive set of peripherals, including dual 12-bit ADCs, multiple timers, and communication interfaces such as I²C, SPI, USART, CAN, and USB. Its low-power modes and wide operating voltage range (2.0 to 3.6 V) make it suitable for energy-efficient designs. Ideal for motor drives, medical devices, industrial controls, and more, the STM32F103C8T6 is a versatile choice for both professional and hobbyist projects.
LQFP64 package top view example :
Features :
- Processor: 32-bit Arm Cortex-M3 core running at 72 MHz
- Memory: 64 KB Flash, 20 KB SRAM
- Operating Voltage: 2.0 to 3.6 V
- Temperature Range: -40 to +85°C
- Analog: Two 12-bit ADCs with up to 10 channels, temperature sensor
- Timers: Three timers
- Communication: Two I²C, two SPI, three USART, one CAN, one USB 2.0 full-speed interface
- I/Os: Up to 37 fast, 5 V-tolerant I/O ports
- Debug: Serial Wire Debug (SWD) and JTAG interfaces
- Low-Power Modes: Sleep, Stop, and Standby
Specifications :
| Parameter | Value |
|---|---|
| Core | Arm Cortex-M3 |
| Clock Speed | 72 MHz |
| Flash Memory | 64 KB |
| SRAM | 20 KB |
| Package | LQFP48 (7 × 7 mm) |
| Pin Count | 48 |
| Operating Voltage | 2.0 to 3.6 V |
| Temperature Range | -40 to +85°C |
| ADCs | 2x 12-bit, up to 10 channels |
| Timers | 3 |
| Communication Interfaces | 2x I²C, 2x SPI, 3x USART, 1x CAN, 1x USB |
| DMA | 7 channels |
| I/O Ports | Up to 37, 5 V-tolerant |
| Debug Interfaces | SWD, JTAG |
| Power Consumption (Max) | 20 mA (Read, 72 MHz, 3.3 V) |
| Low-Power Modes | Sleep, Stop, Standby |
Pin Configuration:
Pin Description :
| Pin Type | Pin Number | Pin Function |
|---|---|---|
| Power | -3.3V -5V -GND | 1. Working output voltage 2. Powered by USB or 5V external power pin 3. ground pin |
| Analog | PAO-PA7, PBO-PB1 | 10, 12-bit resolution ADC pins |
| Input / Output | PAO-PA15, PBO-PB15, PC13-PC15 | 37 general purpose I/O pins |
| External Interrupt | PAO-PA15, PBO-PB15, PC13-PC15 | Interrupt Pin |
| PWM | PAO-PA3,PA6-PA10, PBO-PB1,PB6-PB9 | 15 Pulse Width Modulation |
| Serial Communication (UART) | TX1, RX1, TX2, RX2, TX3, RX3 | RTS、CTS USART pins |
| SPI | MISO0, MOSI0, SCK0, MISO1, MOSI1, SCK1, CS0 | 2 serial peripheral interface pins |
| CAN | CAN0TX,CAN0RX | Controller Area Network bus pins |
| I2C | SCL1, SCL2, SDA1, SDA2 | Inter-IC serial data and clock pins |
| Built-in LED | PC13 | LED indicator |
Applications:
- Motor Drives: Precise control for DC and stepper motors
- Application Control: Automation and control systems
- Medical and Handheld Equipment: Portable diagnostic devices
- PC and Gaming Peripherals: Custom controllers and interfaces
- GPS Platforms: Navigation and tracking systems
- Industrial Applications: PLCs, inverters, and factory automation
- Consumer Electronics: Printers, scanners, and video intercoms
- HVAC Systems: Environmental control and monitoring
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