• Core

  Cortex-M4, 168 MHz

• Family

  GD32F4xx Series

• Sub-Family

  GD32F403

• CMSIS Pack

  GD32F4xx_DFP

GD32F403 - ARM Cortex-M4 Core
Frequency up to 168 MHz
Flash access zero wait state
Single-cycle multiplier and hardware divider

Memories
Flash size from 256KB to 3072KB
SRAM size is 128 KB with HW parity checking
6KB ISP loader ROM