GigaDevice GD32F103xx Microcontroller User Manual

This manual details the architecture, peripherals, registers and operation of the GD32F103xx ARM Cortex‑M3 microcontrollers.


GigaDevice GD32F103xx Microcontroller User Manual - cover page
Brand
GigaDevice
Category
Other device
Document type
User Manual
Language
Chinese
Pages
345
File format
PDF
File size
2.8 MB
Published
29 September, 2026
Updated
29 September, 2026
MD5 checksum
2E513B6BE4F92CA74E3AE8A029728791

About this manual

The GD32F103xx series are 32‑bit ARM Cortex‑M3 microcontrollers. The manual provides a complete description of the system architecture, memory map, and all on‑chip peripherals.

Chapters cover power control, reset and clock units, GPIO/AFIO, interrupt handling, DMA, timers, RTC, watchdog, ADC, I²C, SPI, USART, USB, CAN, external memory interface and a revision history. The document also includes numerous diagrams and register tables to aid developers and engineers. This manual is written in Chinese.

What's inside

  • System and Memory Architecture
  • Power Control (PWR)
  • Reset and Clock Control (RCCU)
  • GPIO and AFIO
  • Interrupts and Events
  • DMA Controller
  • Timers (TMx)
  • Real‑Time Clock (RTC)
  • Watchdog (WDG)
  • ADC

Specifications

CPU CoreARM Cortex‑M3

Frequently asked questions

What CPU core does the GD32F103xx use?

The GD32F103xx microcontrollers are based on an ARM Cortex‑M3 32‑bit CPU.

How can readers report errors in the manual?

Readers can email [email protected] with any corrections or suggestions.

Download PDF (2.8 MB)