GD32F305RBT6

The GD32F305RBT6 (GigaDevice) has equivalents like:
- STM32F303RBT6 (STMicroelectronics)
- APM32F103RBT6 (Geehy)
- CH32F103RBT6 (WCH)
These offer similar ARM Cortex-M4/M3 cores, pin compatibility, and peripheral sets (USB, ADC, timers). Check datasheets for exact specs. Alternatives may vary in flash size, clock speed, or features.

The GD32F305RBT6 is a 32-bit ARM Cortex-M4 microcontroller by GigaDevice. Key features:
- Core: 120 MHz Cortex-M4 with FPU and DSP instructions
- Memory: 128 KB Flash, 32 KB SRAM
- Peripherals: USB 2.0 OTG FS/HS, CAN 2.0B, 3x USART, 2x UART, 2x I2C, 3x SPI (2x with I2S), 2x 16-bit ADC (10-bit, 16 ch)
- Timers: 2x 16-bit PWM, 1x 32-bit, 1x SysTick, RTC
- GPIO: Up to 80 I/O pins (5V-tolerant)
- Packages: LQFP64
- Operating Voltage: 2.6V–3.6V
- Temperature Range: -40°C to +85°C
Compact, high-performance, and versatile for embedded applications.

The GD32F305RBT6 is a 32-bit ARM Cortex-M4 microcontroller with:
- Pin Count: 64 pins (LQFP-64 package).
- Key Functions:
- Core: 120 MHz max, FPU, DSP instructions.
- Memory: 256 KB Flash, 64 KB SRAM.
- Peripherals:
- 3x USART, 2x UART, 3x SPI, 2x I2C.
- 2x CAN 2.0B, USB 2.0 FS/HS (with PHY).
- 2x 12-bit ADC (16 ch), 2x 12-bit DAC.
- Up to 55 GPIOs, 5x 16-bit timers.
- Power: 2.6–3.6V operation.
Suited for industrial control, consumer electronics, and communication applications.

The GD32F305RBT6, a Cortex-M4 MCU by GigaDevice, is widely used in:
- Industrial Control: PLCs, motor control, automation.
- Consumer Electronics: Smart home devices, wearables.
- IoT: Edge nodes, wireless modules.
- Automotive: Body control, infotainment (non-safety critical).
- Medical: Portable monitoring devices.
- Communication: Gateways, modems.
Key features include 120MHz speed, rich peripherals (USB, CAN, ADC), and low power, making it versatile for embedded applications.

The GD32F305RBT6 comes in an LQFP-64 package. This surface-mount type has 64 pins with a low-profile quad flat design, suitable for compact PCB layouts. The package dimensions are typically 10x10mm with a 0.5mm pin pitch. It’s widely used for industrial and consumer applications due to its balance of size and pin count.