12F629 Microchip Technology, Inc., 12F629 Datasheet - Page 67
12F629
Manufacturer Part Number
12F629
Description
8-pin Flash-based 8-bit CMOS Microcontrollers
Manufacturer
Microchip Technology, Inc.
Datasheet
1.12F629.pdf
(132 pages)
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FIGURE 9-12:
TABLE 9-9:
2003 Microchip Technology Inc.
81h
2007h
Legend: u = Unchanged, shaded cells are not used by the Watchdog Timer.
Address
T0CKI
pin
(= F
CLKOUT
Note 1: T0SE, T0CS, PSA, PS0-PS2 are bits in the Option register.
OSC
T0SE
OPTION_REG GPPU INTEDG
Config. bits
/4)
Name
SUMMARY OF WATCHDOG TIMER REGISTERS
Watchdog
WDTE
Timer
WATCHDOG TIMER BLOCK DIAGRAM
T0CS
Bit 7
CP
0
1
BODEN MCLRE PWRTE WDTE
Bit 6
PSA
0
1
T0CS
Bit 5
Prescaler
8-bit
T0SE
Bit 4
8
PS0 - PS2
Bit 3
PSA
F0SC2
Bit 2
PS2
PSA
PSA
F0SC1
1
0
1
0
Bit 1
PS1
PIC12F629/675
SYNC 2
Cycles
Time-out
F0SC0
WDT
Bit 0
PS0
1111 1111 1111 1111
uuuu uuuu uuuu uuuu
POR, BOD
Value on
Data Bus
Set Flag bit T0IF
8
DS41190C-page 65
TMR0
on Overflow
Value on all
RESETS
other
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