參數(shù)資料
型號(hào): PIC10F202T
廠商: Microchip Technology Inc.
英文描述: 6-Pin, 8-Bit Flash Microcontrollers
中文描述: 6引腳,8位閃存微控制器
文件頁(yè)數(shù): 38/86頁(yè)
文件大小: 620K
代理商: PIC10F202T
PIC10F200/202/204/206
DS41239B-page 36
Preliminary
2005 Microchip Technology Inc.
To change the prescaler from the WDT to the Timer0
module, use the sequence shown in Example 7.2. This
sequence must be used even if the WDT is disabled. A
CLRWDT
instruction should be executed before
switching the prescaler.
EXAMPLE 7-2:
CHANGING PRESCALER
(WDT
TIMER0)
FIGURE 7-5:
GP2/T0CKI
(2)
BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
CLRWDT
;Clear WDT and
;prescaler
;Select TMR0, new
;prescale value and
;clock source
MOVLW
‘xxxx0xxx’
OPTION
T
CY
(= F
OSC
/4)
Sync
2
Cycles
TMR0 Reg
8-bit Prescaler
8-to-1 MUX
M
U
X
MUX
Watchdog
Timer
PSA
(1)
0
1
0
1
WDT
Time-out
PS<2:0>
(1)
8
PSA
(1)
WDT Enable bit
0
1
0
1
Data Bus
8
PSA
(1)
T0CS
(1)
M
U
X
M
U
X
T0SE
(1)
Pin
Note 1:
T0CS, T0SE, PSA, PS<2:0> are bits in the OPTION register.
T0CKI is shared with pin GP2.
Bit CMPT0CS is located in the CMCON0 register.
2:
3:
1
0
Comparator
Output
CMPT0CS
(3)
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