PIC10F202 Microchip Technology Inc., PIC10F202 Datasheet - Page 38

• Manufacturer Part Number: PIC10F202
• Description: 6-pin, 8-bit Flash Microcontrollers Data Sheet
• Manufacturer: Microchip Technology Inc.

PIC10F200/202/204/206
EXAMPLE 7-2:
FIGURE 7-5:
DS41239D-page 36
CLRWDT
MOVLW
OPTION
Comparator
Output
GP2/T0CKI
Note 1: T0CS, T0SE, PSA, PS<2:0> are bits in the OPTION register.
‘xxxx0xxx’
Pin
2: T0CKI is shared with pin GP2.
3: Bit CMPT0CS is located in the CMCON0 register.
(2)
WDT Enable bit
CMPT0CS
Watchdog
CHANGING PRESCALER
(WDT→TIMER0)
BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
;Clear WDT and
;prescaler
;Select TMR0, new
;prescale value and
;clock source
Timer
T
1
0
CY
(= F
T0SE
(3)
OSC
(1)
/4)
0
1
PSA
M
U
X
(1)
0
1
T0CS
M
U
X
(1)
8-bit Prescaler
0
8-to-1 MUX
Time-out
8
MUX
WDT
1
0
1
PSA
M
U
X
(1)
PSA
PS<2:0>
(1)
Cycles
© 2007 Microchip Technology Inc.
Sync
2
(1)
TMR0 Reg
Data Bus
8