Datasheet

 2010 Microchip Technology Inc. DS39616D-page 269
PIC18F2331/2431/4331/4431
REGISTER 23-6: CONFIG4L: CONFIGURATION REGISTER 4 LOW (BYTE ADDRESS 300006h)
R/P-1 U-0 U-0 U-0 U-0 R/P-1 U-0 R/P-1
DEBUG
— — — —LVP—STVREN
bit 7 bit 0
Legend:
R = Readable bit P = Programmable bit U = Unimplemented bit, read as ‘0’
-n = Value when device is unprogrammed U = Unchanged from programmed state
bit 7 DEBUG
: Background Debugger Enable bit
1 = Background debugger is disabled; RB6 and RB7 are configured as general purpose I/O pins
0 = Background debugger is enabled; RB6 and RB7 are dedicated to In-Circuit Debug
bit 6-3 Unimplemented: Read as ‘0’
bit 2 LVP: Single-Supply ICSP™ Enable bit
1 = Single-Supply ICSP is enabled
0 = Single-Supply ICSP is 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