GD32E103CBT6

The GD32E103CBT6 is compatible with STM32F103CBT6, offering similar features like Cortex-M3 core, 128KB Flash, and 32KB RAM. Other equivalents include:
- APM32F103CBT6 (Geehy)
- HK32F103CBT6 (HDSC)
- MM32F103CBT6 (MindMotion)
- CH32F103CBT6 (WCH)
These alternatives provide pin-to-pin and functional compatibility, though minor differences in peripherals or performance may exist. Always verify datasheets for exact specs.

The GD32E103CBT6 is a 32-bit ARM Cortex-M4 microcontroller with the following key specifications:
- Pin Count: 48 pins (LQFP-48 package)
- Core: 120 MHz Cortex-M4 with FPU
- Flash: 128 KB
- SRAM: 32 KB
- GPIOs: Up to 37 (5V-tolerant)
- Peripherals:
- 3x USART, 2x UART, 2x I2C, 3x SPI (2x with I2S)
- 1x CAN 2.0B, 1x USB 2.0 FS
- 2x 12-bit ADC (16 ch), 2x 12-bit DAC
- 4x 16-bit timers, 2x basic timers, 1x PWM advanced timer
Key Functions: General-purpose embedded control, motor control, IoT, and consumer electronics.

The GD32E103CBT6 is manufactured by GigaDevice, a Chinese semiconductor company specializing in memory and microcontroller products. Founded in 2005 and headquartered in Beijing, GigaDevice is known for its ARM Cortex-M-based microcontrollers, including the GD32 series, which are often seen as cost-effective alternatives to STM32 MCUs. The company also produces NOR Flash memory and has expanded into IoT and AI-related chips. GigaDevice is a key player in China's growing semiconductor industry, competing globally with firms like STMicroelectronics and NXP.

The GD32E103CBT6, a Cortex-M4 MCU, is widely used in:
- Industrial Control: PLCs, motor control, automation.
- Consumer Electronics: Smart home devices, wearables.
- IoT: Sensor nodes, wireless modules.
- Automotive: Body control, infotainment (non-safety critical).
- Medical Devices: Portable monitors, diagnostic tools.
- Embedded Systems: Data logging, HMI interfaces.
With high performance (108MHz, 128KB Flash), rich peripherals (USB, CAN, ADC), and low power, it suits cost-sensitive, real-time applications.

The GD32E103CBT6 comes in an LQFP-48 package. This is a 48-pin, low-profile quad flat package with a body size of 7×7 mm and a lead pitch of 0.5 mm. It is surface-mountable and commonly used for microcontrollers, offering a balance of compactness and ease of soldering.