GigaDevice GD32F5

The GigaDevice GD32F5 series are 32-bit general-purpose microcontrollers based on the ARM Cortex-M33 processor.

Flash Banks

Internal Flash

Flash Bank	Base address	Size	J-Link Support
Main flash	0x08000000	Up to 3072 KB
OTP Block 1 (data)	0x1FF00000	8 KB
OTP Block 2 (data)	0x1FF20000	512 B
OTP Block 1 (lock)	0x1FF20200	16 B
OTP Block 2 (lock)	0x1FF20210	16 B
OTP0 Block (data)	0x1FFF7800	64 B
OTP0 Block (lock)	0x1FFF7840	16 B
Option Bytes (Bank 0)	0x1FFFC000	16 B
Option Bytes (Bank 1)	0x1FFEC000	16 B

ECC RAM

In order to prevent errors when reading first time, the DLL initializes the first 256KB of RAM starting at 0x2000 0000.

Watchdog Handling

• The device does have 2 watchdogs, FWDGT and WWDGT.
• The WWDGT watchdog is 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 GD32F527I-EVAL

Example Application

• GigaDevice GD32F527I-EVAL