PIC18F1230 MICROCHIP [Microchip Technology], PIC18F1230 Datasheet - Page 191

• Manufacturer Part Number: PIC18F1230
• Description: 18/20/28-Pin, Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D
• Manufacturer: MICROCHIP [Microchip Technology]

REGISTER 19-6:
© 2006 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value when device is unprogrammed
bit 7
bit 6
bit 5-4
bit 3-1
bit 0
BKBUG
R/P-1
BKBUG: 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
BBSIZ<1:0>: Boot Block Size Select bits
For PIC18F1330 device:
11 = 1 kW Boot Block size
10 = 1 kW Boot Block size
01 = 512W Boot Block size
00 = 256W Boot Block size
For PIC18F1230 device:
11 = 512W Boot Block size
10 = 512W Boot Block size
01 = 512W Boot Block size
00 = 256W Boot Block size
Unimplemented: Read as ‘0’
STVREN: Stack Overflow/Underflow Reset Enable bit
1 = Reset on stack overflow/underflow enabled
0 = Reset on stack overflow/underflow disabled
XINST
R/P-0
CONFIG4L: CONFIGURATION REGISTER 4 LOW (BYTE ADDRESS 300006h)
P = Programmable bit
BBSIZ1
R/P-0
Advance Information
BBSIZ0
R/P-0
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U-0
—
PIC18F1230/1330
U-0
—
U-0
—
DS39758B-page 189
STVREN
R/P-1
bit 0