PIC18F23K22-ESLASHML datasheet(355/496 Pages) MICROCHIP

355 / 496 page

 2010 Microchip Technology Inc.

Preliminary

DS41412C-page 355

PIC18(L)F2X/4XK22

CONFIG4L: CONFIGURATION REGISTER 4 LOW

R/P-1

R/P-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.

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’.

CONFIG5L: CONFIGURATION REGISTER 5 LOW

U-0

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.

PIC18F23K22-E/ML Datasheet(PDF) 355 Page - Microchip Technology

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