6.8 CONFIG8

Configuration Byte 8
Note:
  1. Once protection is enabled through ICSP™ or a self-write, it can only be reset through a Bulk Erase.
  2. Applicable only if SAFEN = 0.
  3. Applicable only if BBEN = 0.
Name: CONFIG8
Address: 30 0007h

Bit 76543210 
 WRTAPP   WRTSAFWRTDWRTCWRTB 
Access R/WR/WR/WR/WR/W 
Reset 11111 

Bit 7 – WRTAPP  Application Block Write Protection(1)

ValueDescription
1 Application Block is not write-protected
0 Application Block is write-protected

Bit 3 – WRTSAF  Storage Area Flash (SAF) Write Protection(1,2)

ValueDescription
1 SAF is not write-protected
0 SAF is write-protected

Bit 2 – WRTD  Data EEPROM Write Protection(1)

ValueDescription
1 Data EEPROM is not write-protected
0 Data EEPROM is write-protected

Bit 1 – WRTC  Configuration Register Write Protection(1)

ValueDescription
1 Configuration registers are not write-protected
0 Configuration registers are write-protected

Bit 0 – WRTB  Boot Block Write Protection(1,3)

ValueDescription
1 Boot Block is not write-protected
0 Boot Block is write-protected
Once protection is enabled through ICSP™ or a self-write, it can only be reset through a Bulk Erase. Applicable only if SAFEN = 0. Applicable only if BBEN = 0.