GigaDevice GD32A4

The GD32A49x series are 32-bit general-purpose microcontrollers based on the Arm® Cortex®-M4 processor.

Flash Banks

Internal Flash

Flash Bank	Base address	Size	J-Link Support
Main flash	0x08000000	Up to 3 MB
Option Byte Bank 0	0x1FFFC000	16 B
Option Byte Bank 1	0x1FFEC000	16 B
OTP Bytes	0x1FFF7800	512 B

Watchdog Handling

• The device does have 2 watchdogs.
• The watchdogs are fed during flash programming.

Device Specific Handling

Connect

• On Connect, protection level is checked. For further information regarding this, please click here.

Reset

• The device uses normal Cortex-M reset, no special handling necessary, like described here.

Evaluation Boards

• GigaDevice GD32A490I-EVAL

Example Application

• GigaDevice GD32A490I-EVAL