參數(shù)資料
型號(hào): PIC10F202T-I/PG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PDIP8
封裝: 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-8
文件頁數(shù): 28/88頁
文件大?。?/td> 1127K
代理商: PIC10F202T-I/PG
PIC10F200/202/204/206
DS41239A-page 32
Preliminary
2004 Microchip Technology Inc.
To change the prescaler from the WDT to the Timer0
module, use the sequence shown in Example 6-2. This
sequence must be used even if the WDT is disabled. A
CLRWDT
instruction
should
be
executed
before
switching the prescaler.
EXAMPLE 6-2:
CHANGING PRESCALER
(WDT
→TIMER0)
FIGURE 6-5:
BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
CLRWDT
;Clear WDT and
;prescaler
MOVLW
‘xxxx0xxx’
;Select TMR0, new
;prescale value and
;clock source
OPTION
TCY (= FOSC/4)
Sync
2
Cycles
TMR0 reg
8-bit Prescaler
8-to-1MUX
M
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
U
X
T0SE(1)
GP2/T0CKI(2)
Pin
Note 1:
T0CS, T0SE, PSA, PS<2:0> are bits in the Option register.
2:
T0CKI is shared with pin GP2 on the PIC10F200/202/204/206.
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