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8.5.7 CONFIG7 Configuration Byte 7Note:
BBSIZE[7:0] bits can only be
changed when BBEN = 1
. Once
BBEN = 0
, BBSIZE[7:0] can only be
changed through a Bulk Erase.
Name: CONFIG7 Address: 0x300006
Bit 7 6 5 4 3 2 1 0 BBSIZE[7:0] Access R/W R/W R/W R/W R/W R/W R/W R/W Reset 1 1 1 1 1 1 1 1
Bits 7:0 – BBSIZE[7:0]
Boot Block Size Selection(1 )
Table 8-1. Boot Block Size
BBEN
BBSIZE
End Address of Boot Block
Boot Block Size
(words)
PIC18Fx4Q24
PIC18Fx5Q24
PIC18Fx6Q24
1
xxxxxxxx
N/A
N/A
0
01111111
00 7FFFh
N/A
16384
0
01111110
00 7EFFh
N/A
16256
. . .
. . .
. . .
. . .
0
01000000
00 40FFh
N/A
8320
0
00111111
00 3FFFh
N/A
8192
0
00111110
00 3EFFh
N/A
8064
. . .
. . .
. . .
. . .
0
00100000
00 20FFh
N/A
4224
0
00011111
00 1FFFh
4096
0
00011110
00 1EFFh
3968
. . .
. . .
. . .
. . .
0
00000011
00 03FFh
512
0
00000010
00 02FFh
384
0
00000001
00 01FFh
256
0
00000000
00 00FFh
128
BBSIZE[7:0] bits can only be
changed when BBEN = 1. Once
BBEN = 0, BBSIZE[7:0] can only be
changed through a Bulk Erase.
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