PIC18F2450 MICROCHIP [Microchip Technology], PIC18F2450 Datasheet - Page 198

• Manufacturer Part Number: PIC18F2450
• Description: 28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2450/4450
REGISTER 18-6:
DS39760A-page 196
bit 7
Legend:
R = Readable bit
-n = Value when device is unprogrammed
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Note 1:
DEBUG
R/P-1
Available only on PIC18F4450 devices in 44-pin TQFP packages. Always leave this bit clear in all other
devices.
DEBUG: Background Debugger Enable bit
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
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)
ICPRT: Dedicated In-Circuit Debug/Programming Port (ICPORT) Enable bit
1 = ICPORT enabled
0 = ICPORT disabled
Unimplemented: Read as ‘0’
BBSIZ: Boot Block Size Select bit
1 = 2 kW Boot Block size
0 = 1 kW Boot Block size
LVP: Single-Supply ICSP™ Enable bit
1 = Single-Supply ICSP enabled
0 = Single-Supply ICSP disabled
Unimplemented: Read as ‘0’
STVREN: Stack Full/Underflow Reset Enable bit
1 = Stack full/underflow will cause Reset
0 = Stack full/underflow will not cause Reset
XINST
R/P-0
CONFIG4L: CONFIGURATION REGISTER 4 LOW (BYTE ADDRESS 300006h)
P = Programmable bit
ICPRT
R/P-0
(1)
Advance Information
U-0
—
u = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
BBSIZ
R/P-0
R/P-1
LVP
© 2006 Microchip Technology Inc.
(1)
U-0
—
STVREN
R/P-1
bit 0