PIC16 datasheet(44/418 Pages) MICROCHIP

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PIC16(L)F1508/9

DS40001609C-page 44

 2011-2013 Microchip Technology Inc.

CONFIG2: CONFIGURATION WORD 2

R/P-1

U-1

LVP(1)

DEBUG(3)

LPBOR

BORV(2)

STVREN

—

bit 13

bit 8

U-1U-1

R/P-1

—

—WRT<1:0>

bit 7

bit 0

Legend:

R = Readable bit

P = Programmable bit

U = Unimplemented bit, read as ‘1’

‘0’ = Bit is cleared

‘1’ = Bit is set

-n = Value when blank or after Bulk Erase

bit 13

LVP: Low-Voltage Programming Enable bit(1)

1 = Low-voltage programming enabled

0 = High-voltage on MCLR must be used for programming

bit 12

DEBUG: In-Circuit Debugger Mode bit(3)

1 = In-Circuit Debugger disabled, ICSPCLK and ICSPDAT are general purpose I/O pins

0 = In-Circuit Debugger enabled, ICSPCLK and ICSPDAT are dedicated to the debugger

bit 11

LPBOR: Low-Power BOR Enable bit

1 = Low-Power Brown-out Reset is disabled

0 = Low-Power Brown-out Reset is enabled

bit 10

BORV: Brown-Out Reset Voltage Selection bit(2)

1 = Brown-out Reset voltage (VBOR), low trip point selected

0 = Brown-out Reset voltage (VBOR), high trip point selected

bit 9

STVREN: Stack Overflow/Underflow Reset Enable bit

1 = Stack Overflow or Underflow will cause a Reset

0 = Stack Overflow or Underflow will not cause a Reset

bit 8-2

Unimplemented: Read as ‘1’

bit 1-0

WRT<1:0>: Flash Memory Self-Write Protection bits

4 kW Flash memory (PIC16(L)F1508 only)

11 = Write protection off

10 = 000h to 1FFh write protected, 200h to FFFh may be modified

01 = 000h to 7FFh write protected, 800h to FFFh may be modified

00 = 000h to FFFh write protected, no addresses may be modified

8 kW Flash memory (PIC16(L)F1509 only)

11 = Write protection off

10 = 000h to 01FFh write protected, 0200h to 1FFFh may be modified

01 = 000h to 0FFFh write protected, 1000h to 1FFFh may be modified

00 = 000h to 1FFFh write protected, no addresses may be modified

Note 1:

The LVP bit cannot be programmed to ‘0’ when Programming mode is entered via LVP.

See VBOR parameter for specific trip point voltages.

The DEBUG bit in Configuration Words is managed automatically by device development tools including

debuggers and programmers. For normal device operation, this bit should be maintained as a ‘1’.

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