7.8.2.4 System Configuration 0

The default value given in this fuse description is the factory-programmed value and should not be mistaken for the Reset value.
Name: SYSCFG0
Offset: 0x05
Reset: 0xE4
Property: -

Bit 76543210 
 CRCSRC[1:0]  RSTPINCFG  EESAVE 
Access RRRR 
Reset 1100 

Bits 7:6 – CRCSRC[1:0] CRC Source

This bit field control which section of the Flash will be checked by the CRCSCAN peripheral during Reset Initialization.
ValueNameDescription
0x0FLASH CRC of full Flash (boot, application code, and application data)
0x1BOOTCRC of boot section
0x2BOOTAPPCRC of application code and boot sections
0x3NOCRC No CRC

Bit 3 – RSTPINCFG Reset Pin Configuration

This bit selects the pin configuration for the Reset pin.
ValueDescription
0x0GPIO
0x1RESET

Bit 0 – EESAVE EEPROM Save During Chip Erase

If the device is locked, the EEPROM is always erased by a chip erase, regardless of this bit.
ValueDescription
0x0EEPROM erased by chip erase
0x1EEPROM not erased by chip erase