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PIC16F87 Datasheet(PDF) 71 Page - Microchip Technology

No. de pieza PIC16F87
Descripción Electrónicos  18/20/28-Pin Enhanced FLASH Microcontrollers with nanoWatt Technology
PDF  214 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F87 Datasheet(HTML) 71 Page - Microchip Technology

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 2003 Microchip Technology Inc.
Preliminary
DS30487B-page 69
PIC16F87/88
EXAMPLE 6-1:
CHANGING THE PRESCALER ASSIGNMENT FROM WDT TO TIMER0
TABLE 6-1:
REGISTERS ASSOCIATED WITH TIMER0
CLRWDT
; Clear WDT and prescaler
BANKSEL
OPTION
; Select Bank of OPTION
MOVLW
b'xxxx0xxx'
; Select TMR0, new prescale
MOVWF
OPTION
; value and clock source
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Value on
all other
RESETS
01h,101h
TMR0
Timer0 Module Register
xxxx xxxx
uuuu uuuu
0Bh,8Bh,
10Bh,18Bh
INTCON
GIE
PEIE
TMR0IE
INTE
RBIE TMR0IF
INTF RBIF 0000 000x
0000 000u
81h,181h
OPTION
RBPU
INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
1111 1111
Legend:
x
= unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by Timer0.



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