參數(shù)資料
型號: 16F630
廠商: Microchip Technology Inc.
英文描述: 14-Pin FLASH-Based 8-Bit CMOS Microcontrollers
中文描述: 14引腳基于閃存的8位CMOS微控制器
文件頁數(shù): 69/132頁
文件大小: 2651K
代理商: 16F630
2003 Microchip Technology Inc.
DS40039C-page 67
PIC16F630/676
FIGURE 9-12:
WATCHDOG TIMER BLOCK DIAGRAM
TABLE 9-9:
SUMMARY OF WATCHDOG TIMER REGISTERS
T0CKI
pin
T0SE
CLKOUT
(= F
OSC
/4)
TMR0
Watchdog
Timer
WDT
Time-out
PS0 - PS2
WDTE
Data Bus
Set Flag bit T0IF
on Overflow
T0CS
Note 1:
T0SE, T0CS, PSA, PS0-PS2 are bits in the Option register.
0
1
0
1
0
1
SYNC 2
Cycles
8
8
8-bit
Prescaler
0
1
PSA
PSA
PSA
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOD
Value on all
other
RESETS
81h
OPTION_REG
RAPU INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
1111 1111
2007h
Config. bits
CP
BODEN
MCLRE PWRTE WDTE
F0SC2
F0SC1
F0SC0
uuuu uuuu
uuuu uuuu
Legend: u = Unchanged, shaded cells are not used by the Watchdog Timer.
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