GD32F303CGT6

The GD32F303CGT6 is a 32-bit ARM Cortex-M4 microcontroller by GigaDevice, offering high performance with a 120 MHz clock speed. It features 256 KB Flash, 48 KB SRAM, and supports USB 2.0, CAN 2.0B, SPI, I2C, UART, and ADC/DAC peripherals.
Key highlights:
- Cortex-M4 core with FPU and DSP instructions
- Rich connectivity (USB, CAN, multiple serial interfaces)
- Wide voltage range (2.6V–3.6V) and low-power modes
- Industrial-grade (-40°C to +85°C)
It’s pin-compatible with STM32F103, easing migration. Ideal for industrial control, consumer electronics, and IoT.

The GD32F303CGT6 (GigaDevice) has several equivalents:
- STM32F103CGT6 (STMicroelectronics) - Similar pinout but older.
- STM32F303CCT6 (STMicroelectronics) - Closer in features (Cortex-M4, 72MHz).
- APM32F103CGT6 (Geehy) - Direct replacement for STM32F103.
- CH32F103C8T6 (WCH) - Lower-cost alternative.
Check datasheets for exact compatibility, as peripheral sets and performance may vary slightly.

The GD32F303CGT6 is a 32-bit ARM Cortex-M4 microcontroller with these key features:
- Core: 120 MHz Cortex-M4 with FPU and DSP instructions
- Memory: 256 KB Flash, 48 KB SRAM
- Peripherals:
- 3x USART, 2x UART, 3x SPI, 2x I2C
- 2x CAN 2.0B, USB 2.0 FS
- 2x 12-bit ADC (16 ch, 2.6 MSPS)
- 2x 12-bit DAC
- 16x PWM timers (incl. advanced & general-purpose)
- GPIO: Up to 80 I/O pins
- Operating Voltage: 2.6V–3.6V
- Packages: LQFP48 (7x7mm)
- Temperature Range: -40°C to +85°C
Suitable for industrial control, consumer electronics, and IoT applications.

The GD32F303CGT6 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: 256 KB
- SRAM: 48 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, 2.4 MSPS)
- 2x 12-bit DAC
- 1x advanced PWM timer (16-bit)
Commonly used in motor control, industrial, and consumer applications.

The GD32F303CGT6 is manufactured by GigaDevice, a Chinese semiconductor company specializing in memory and microcontroller (MCU) products. Founded in 2005 and headquartered in Beijing, GigaDevice is known for its ARM Cortex-M-based GD32 MCUs, which compete with STMicroelectronics' STM32 series. The company also produces NOR Flash memory and other ICs.
GigaDevice is a key player in China's domestic chip industry, offering cost-effective alternatives to Western MCUs while maintaining compatibility. The GD32F303CGT6 is a Cortex-M4 MCU with high performance, targeting industrial, consumer, and IoT applications.
In short: GigaDevice is a reputable Chinese semiconductor firm focused on MCUs and memory, with a growing global presence.

The GD32F303CGT6, a Cortex-M4 MCU, is widely used in:
1. Industrial Control – PLCs, motor control, and automation.
2. Consumer Electronics – Smart home devices and wearables.
3. IoT & Wireless – Sensor nodes and communication modules.
4. Automotive – Body control, lighting, and infotainment.
5. Medical Devices – Portable monitors and diagnostic tools.
6. Embedded Systems – HMI, robotics, and power management.
With high performance, rich peripherals, and low power, it suits diverse embedded applications.

The GD32F303CGT6 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, suitable for compact designs, and commonly used in industrial and consumer applications.