GigaDevice GD32A4
The GD32A49x series are 32-bit general-purpose microcontrollers based on the Arm® Cortex®-M4 processor.
Contents
Flash Banks
Internal Flash
| Flash Bank | Base address | Size | J-Link Support |
|---|---|---|---|
| Main flash Bank 0 | 0x08000000 | Up to 1 MB | 
|
| Main flash Bank 1 | 0x08100000 | Up to 2 MB |
|
| Option Byte Bank 0 | 0x1FFFC000 | 16 B | 
|
| Option Byte Bank 1 | 0x1FFEC000 | 16 B |
|
| OTP Bytes | 0x1FFF7800 | 512 B |
|
ECC RAM
In order to prevent errors when reading first time, the DLL initializes the first 24Kb of RAM starting at 0x2000 0000.
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.
