Datasheet

PIC18F66K80 FAMILY
DS39977F-page 464  2010-2012 Microchip Technology Inc.
REGISTER 28-6: CONFIG4L: CONFIGURATION REGISTER 4 LOW (BYTE ADDRESS 300006h)
R/P-1 U-0 U-0 R/P-0 U-0 U-0 U-0 R/P-1
DEBUG
— — BBSIZ0 — — —STVREN
bit 7 bit 0
Legend: P = Programmable bit
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
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 6-5
Unimplemented: Read as ‘0’
bit 4
BBSIZ0: Boot Block Size Select bit
1 = 2 kW boot block size
0 = 1 kW boot block size
bit 3-1
Unimplemented: Read as ‘0’
bit 0
STVREN: Stack Full/Underflow Reset Enable bit
1 = Stack full/underflow will cause a Reset
0 = Stack full/underflow will not cause a Reset