PIC16F737-I Datasheet, PDF (78/276 Pages) Microchip Technology – 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC16F7X7
EXAMPLE 6-1: CHANGING THE PRESCALER ASSIGNMENT FROM WDT TO TIMER0
CLRWDT
BANKSEL
MOVLW
MOVWF
OPTION_REG
b'xxxx0xxx'
OPTION_REG
; Clear WDT and prescaler
; Select Bank of OPTION_REG
; Select TMR0, new prescale
; value and clock source
TABLE 6-1: REGISTERS ASSOCIATED WITH TIMER0
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
0Bh,8Bh,
10Bh,18Bh
TMR0
INTCON
Timer0 Module Register
xxxx xxxx uuuu uuuu
GIE PEIE TMR0IE INT0IE RBIE TMR0IF INT0IF RBIF 0000 000x 0000 000u
81h,181h
OPTION_REG 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.
DS30498C-page 76
 2004 Microchip Technology Inc.