1. Product Overview

GD32F103TBU6 belongs to Gigadevice GD32F103xx series 32-bit general-purpose microcontroller, adopting ARM Cortex-M3 core with up to 108MHz operating frequency. The QFN36 6×6mm SMD package features compact size, rich communication peripherals and complete analog functions, which can realize pin-to-pin compatible replacement of STM32F103TBU6, effectively solve supply shortage problem.

2. Core Electrical Specifications

• CPU Core: ARM Cortex-M3, Max Clock Speed 108MHz

• Program Flash: 128KB

• SRAM: 20KB

• Operating Voltage: 2.6V ~ 3.6V

• Operating Temperature: -40℃ ~ +85℃

• Storage Temperature: -55℃ ~ +150℃

• I/O Quantity: 26 GPIO Pins

3. Built-in Peripherals

Communication Interfaces: CAN, USB, USART, SPI, I2C

Rich analog peripherals: ADC, DAC, internal temperature sensor

4. Package & Packaging Info

• Package Model: QFN-36_6X6MM-EP

• Mount Type: SMT Surface Mount

• Supply Packaging: Tape & Reel / Tube / Bulk Tray

• Manufacturer: GigaDevice Semiconductor (Beijing) Inc.

• Origin: China

5. Main Application Scenarios

Industrial control equipment, smart home appliances, BMS battery management systems, portable electronic devices, sensor acquisition modules