PIC16F1526-I/PT【PDF 81/94 页】MCU 14KB FLASH 768B RAM 64-TQFP

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Sheet目录3876

77页 78页 79页 80页 [81页]82页 83页 84页 85页

PIC16(L)F1526/27

DS41458B-page 48

Preliminary

2011 Microchip Technology Inc.

REGISTER 4-2:

CONFIGURATION WORD 2

R/P-1

U-1

LVP

DEBUG

LPBOR

BORV

STVREN

—

bit 13

bit 8

U-1

R/P-1

U-1

R/P-1

—

VCAPEN(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

= Low-voltage programming enabled

= High-voltage on MCLR must be used for programming

bit 12

DEBUG:

In-Circuit Debugger Mode bit

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

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

bit 11

LPBOR:

Low-Power BOR bit

= Low-Power BOR is disabled

= Low-Power BOR is enabled

bit 10

BORV:

Brown-out Reset Voltage Selection bit

= Brown-out Reset voltage set to 1.9V (typical)

= Brown-out Reset voltage set to 2.5V (typical)

bit 9

STVREN:

Stack Overflow/Underflow Reset Enable bit

= Stack Overflow or Underflow will cause a Reset

= Stack Overflow or Underflow will not cause a Reset

bit 8-5

Unimplemented:

Read as ‘1’

bit 4

VCAPEN:

Voltage Regulator Capacitor Enable bits(1)

If PIC16LF1526/27 (regulator disabled):

These bits are ignored. All VCAP pin functions are disabled.

If PIC16F1526/27 (regulator enabled):

=VCAP functionality is enabled on RF0.

=All VCAP pin functions are disabled

bit 3-2

Unimplemented:

Read as ‘1’

bit 1-0

WRT<1:0>:

Flash Memory Self-Write Protection bits

8 kW Flash memory (PIC16(L)F1526 only):

= Write protection off

= 000h to 1FFh write-protected, 200h to 1FFFh may be modified by PMCON control

= 000h to FFFh write-protected, 1000h to 1FFFh may be modified by PMCON control

= 000h to 1FFFh write-protected, no addresses may be modified by PMCON control

16 kW Flash memory (PIC16(L)F1527 only):

= Write protection off

= 000h to 1FFh write-protected, 200h to 3FFFh may be modified by PMCON control

= 000h to 1FFFh write-protected, 2000h to 3FFFh may be modified by PMCON control

= 000h to 3FFFh write-protected, no addresses may be modified by PMCON control

Note 1:

PIC16F1526/27 only.

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