PIC16F819 Datasheet

IC型号：
PIC16F819
PDF描述：
18/20-Pin Enhanced Flash Microcontrollers with nanoWatt Tech...
文件大小：
68.31KB
PDF页数：
176页
芯片厂家：
MICROCHIP

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PIC16F818/819

CONFIGURATION WORD (ADDRESS 2007h)

(1)

R/P-1 R/P-1 R/P-1 R/P-1 R/P-1 R/P-1 R/P-1 R/P-1 R/P-1 R/P-1 R/P-1

R/P-1 R/P-1 R/P-1

CP CCPMX DEBUG WRT1 WRT0 CPD LVP BOREN MCLRE F

OSC

2 PWRTEN WDTEN F

OSC

1 F

OSC

bit 13

bit 0

bit 13

CP:

Flash Program Memory Code Protection bit

= Code protection off

= All memory locations code-protected

CCPMX:

CCP1 Pin Selection bit

= CCP1 function on RB2

= CCP1 function on RB3

DEBUG:

In-Circuit Debugger Mode bit

= In-circuit debugger disabled, RB6 and RB7 are general purpose I/O pins

= In-circuit debugger enabled, RB6 and RB7 are dedicated to the debugger

WRT1:WRT0:

Flash Program Memory Write Enable bits

For PIC16F818:

= Write protection off

= 000h to 01FF write-protected, 0200 to 03FF may be modified by EECON control

= 000h to 03FF write-protected

For PIC16F819:

= Write protection off

= 0000h to 01FFh write-protected, 0200h to 07FFh may be modified by EECON control

= 0000h to 03FFh write-protected, 0400h to 07FFh may be modified by EECON control

= 0000h to 05FFh write-protected, 0600h to 07FFh may be modified by EECON control

CPD:

Data EE Memory Code Protection bit

= Code protection off

= Data EE memory locations code-protected

LVP:

Low-Voltage Programming Enable bit

= RB3/PGM pin has PGM function, low-voltage programming enabled

= RB3/PGM pin has digital I/O function, HV on MCLR must be used for programming

BOREN:

Brown-out Reset Enable bit

= BOR enabled

= BOR disabled

MCLRE:

RA5/MCLR Pin Function Select bit

= RA5/MCLR pin function is MCLR

= RA5/MCLR pin function is digital I/O, MCLR internally tied to V

PWRTEN:

Power-up Timer Enable bit

= PWRT disabled

= PWRT enabled

WDTEN:

Watchdog Timer Enable bit

= WDT enabled

= WDT disabled

OSC

2:F

OSC

Oscillator Selection bits

111

= EXTRC oscillator; CLKO function on RA6/OSC2/CLKO pin

110

= EXTRC oscillator; port I/O function on RA6/OSC2/CLKO pin

101

= INTRC oscillator; CLKO function on RA6/OSC2/CLKO pin and port I/O function on

RA7/OSC1/CLKI pin

100

= INTRC oscillator; port I/O function on both RA6/OSC2/CLKO pin and RA7/OSC1/CLKI pin

011

= EXTCLK; port I/O function on RA6/OSC2/CLKO pin

010

= HS oscillator

001

= XT oscillator

000

= LP oscillator

Note 1:

The erased (unprogrammed) value of the configuration word is 3FFFh.

Legend:

R = Readable bit

P = Programmable bit

- n = Value when device is unprogrammed

bit 12

bit 11

bit 10-9

bit 8

bit 7

bit 6

bit 5

bit 3

bit 2

bit 4, 1-0

U = Unimplemented bit, read as 鈥?鈥?/div>

u = Unchanged from programmed state

DS39598D-page 90

Preliminary

铮?/div>

2003 Microchip Technology Inc.

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