Microchip Technology MA160014 Hoja De Datos
2010-2012 Microchip Technology Inc.
DS41412F-page 361
PIC18(L)F2X/4XK22
REGISTER 24-5:
CONFIG4L: CONFIGURATION REGISTER 4 LOW
R/P-1
R/P-0
U-0
U-0
U-0
R/P-1
U-0
R/P-1
DEBUG
(2)
XINST
—
—
—
LVP
(1)
—
STVREN
bit 7
bit 0
Legend:
R = Readable bit
P = Programmable bit
U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed
x = Bit is unknown
bit 7
DEBUG: Background Debugger Enable bit
(2)
1
= Background debugger disabled, RB6 and RB7 configured as general purpose I/O pins
0
= Background debugger enabled, RB6 and RB7 are dedicated to In-Circuit Debug
bit 6
XINST: Extended Instruction Set Enable bit
1
= Instruction set extension and Indexed Addressing mode enabled
0
= Instruction set extension and Indexed Addressing mode disabled (Legacy mode)
bit 5-3
Unimplemented: Read as ‘0’
bit 2
LVP: Single-Supply ICSP Enable bit
1
= Single-Supply ICSP enabled
0
= Single-Supply ICSP disabled
bit 1
Unimplemented: Read as ‘0’
bit 0
STVREN: Stack Full/Underflow Reset Enable bit
1
= Stack full/underflow will cause Reset
0
= Stack full/underflow will not cause Reset
Note
1:
Can only be changed by a programmer in high-voltage programming mode.
2:
The DEBUG bit is managed automatically by device development tools including debuggers and programmers. For
normal device operations, this bit should be maintained as a ‘1’.
normal device operations, this bit should be maintained as a ‘1’.
REGISTER 24-6:
CONFIG5L: CONFIGURATION REGISTER 5 LOW
U-0
U-0
U-0
U-0
R/C-1
R/C-1
R/C-1
R/C-1
—
—
—
—
CP3
(1)
CP2
(1)
CP1
CP0
bit 7
bit 0
Legend:
R = Readable bit
U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed
C = Clearable only bit
bit 7-4
Unimplemented: Read as ‘0’
bit 3
CP3: Code Protection bit
(1)
1
= Block 3 not code-protected
0
= Block 3 code-protected
bit 2
CP2: Code Protection bit
(1)
1
= Block 2 not code-protected
0
= Block 2 code-protected
bit 1
CP1: Code Protection bit
1
= Block 1 not code-protected
0
= Block 1 code-protected
bit 0
CP0: Code Protection bit
1
= Block 0 not code-protected
0
= Block 0 code-protected
Note 1:
Available on PIC18(L)FX5K22 and PIC18(L)FX6K22 devices.