The GD32E103C-START is a comprehensive starter kit from GigaDevice for the GD32E103 series microcontrollers. Featuring the GD32E103CBT6 MCU with an ARM Cortex-M4 core running at up to 120 MHz, 128 KB Flash, and 32 KB SRAM, this board provides everything needed to evaluate, prototype, and develop applications. With an integrated GD-Link debugger, dual 12-bit ADCs at 3 MSPS, USB 2.0 FS OTG, and 5 V tolerant I/O, it is an ideal platform for industrial control, signal processing, and IoT development. Features ARM Cortex-M4 Core: 120 MHz with DSP instructions and FPU 128 KB Flash + 32 KB SRAM: Ample memory for complex applications Integrated GD-Link Debugger: Onboard SWD debugging via USB Mini Dual 12-bit ADCs: 3 MSPS, 10 channels for high-speed data acquisition Dual 12-bit DACs: 2 channels for analog output Rich Communication: 3× USART, 2× I²C, 3× SPI, 2× I²S, USB 2.0 FS OTG 5 V Tolerant I/O: Direct interfacing with 5 V logic 37 GPIO Pins: LQFP48 package, all accessible via gold-pin headers RTC Support: Real-time clock with battery backup Low Power Modes: Multiple modes for battery-powered designs Specifications Parameter Value MCU GD32E103CBT6 CPU Core ARM Cortex-M4 with DSP Max Clock 120 MHz Flash 128 KB SRAM 32 KB Package LQFP48 (7 × 7 mm) GPIO Up to 37 pins ADC 2× 12-bit, 3 MSPS, 10 channels DAC 1× 12-bit, 2 channels USART 3 I²C 2 SPI 3 I²S 2 (shared with SPI) USB USB 2.0 FS OTG Timers 10× GP + 1× Advanced + 2× Basic + SysTick + 2× WDG Voltage Range 1.71 V to 3.6 V (5 V tolerant I/O) Temperature −40 °C to +85 °C Debugger Integrated GD-Link (USB Mini) Application Industrial Control: PLCs, automation, and motor drives Consumer Electronics: Smart devices and appliances IoT: Connected sensors and gateways Signal Processing: Audio DSP, data acquisition, and sensor fusion Commercial: POS terminals, automotive dashboards, portable instruments Packing List 1× GD32E103C-START Development Board FAQ What is the GD32E103C-START used for? It is a starter kit for evaluating and developing with the GD32E103CBT6 MCU (120 MHz Cortex-M4). Do I need an external debugger? No, the integrated GD-Link debugger via USB Mini is sufficient for most tasks. Which IDEs are supported? GD32 Embedded Builder, Keil MDK, IAR EWARM, and GCC toolchains. What differentiates the GD32E103 from other GD32 series? The GD32E103 is a mainstream ARM Cortex-M4 series at 120 MHz with DSP, offering USB 2.0 OTG, dual ADCs, and rich peripherals at a competitive price point. Does it come with example code? Yes, preloaded "blinky" firmware and comprehensive demo suites are available from GigaDevice. Power supply options? Powered via USB Mini (5 V). The onboard regulator provides 3.3 V to the MCU. No external supply needed. Is it suitable for commercial products? Yes, the GD32E103 series is designed for commercial and industrial applications. Where can I find documentation? Datasheets, user manuals, firmware libraries, and demo suites are available on the GD32 MCU portal.
