CONFIG7

Configuration Byte 7
Note:
  1. 1.Once protection is enabled through ICSP™ or a self-write, it can only be reset through a Bulk Erase.
  2. 2.BBSIZE[2:0] bits can only be changed when BBEN = 1. Once BBEN = 0, BBSIZE[2:0] can only be changed through a Bulk Erase.
Name:
CONFIG7
Address:
0x300006
Reset:
Access:
Bit76543210
DEBUGSAFENBBENBBSIZE[2:0]
AccessR/WR/WR/WR/WR/WR/W
Reset111111

Bit 5 – DEBUG: Debugger Enable

Debugger Enable

ValueDescription
1 Background debugger disabled
0 Background debugger enabled

Bit 4 – SAFEN: Storage Area Flash (SAF) Enable(1)

Storage Area Flash (SAF) Enable(1)

ValueDescription
1 SAF is disabled
0 SAF is enabled

Bit 3 – BBEN: Boot Block Enable(1)

Boot Block Enable(1)

ValueDescription
1 Boot Block is disabled
0 Boot Block is enabled

Bits 2:0 – BBSIZE[2:0]: Boot Block Size Selection(2)

Boot Block Size Selection(2)

Table 1. Boot Block Size
BBEN BBSIZE End Address of Boot Block Boot Block Size (words)
PIC18Fx5Q43 PIC18Fx6Q43 PIC18Fx7Q43
1 xxx – –
0 111 00 03FFh 512
0 110 00 07FFh 1024
0 101 00 0FFFh 2048
0 100 00 1FFFh 4096
0 011 00 3FFFh 8192
0 010 00 7FFFh – 16384
0 001 00 FFFFh – 32768
0 000 00 FFFFh –