PIC16CR58A Microchip Technology, PIC16CR58A Datasheet - Page 40

• Manufacturer Part Number: PIC16CR58A
• Description: ROM-Based 8-Bit CMOS Microcontroller Series
• Manufacturer: Microchip Technology

PIC16C5X
FIGURE 7-13: WATCHDOG TIMER BLOCK DIAGRAM
TABLE 7-5:
DS30453B-page 40
N/A
Legend: Shaded boxes = Not used by Watchdog Timer,
Address
– = unimplemented, read as '0', u = unchanged
OPTION
Name
Note: T0CS, T0SE, PSA, PS2:PS0
SUMMARY OF REGISTERS ASSOCIATED WITH THE WATCHDOG TIMER
WDT Enable
EPROM Bit
Watchdog
are bits in the OPTION register.
Timer
Bit 7
—
From TMR0 Clock Source
Bit 6
—
T0CS
Bit 5
0
1
PSA
M
U
X
Preliminary
T0SE
Bit 4
Bit 3
PSA
0
Time-out
8 - to - 1 MUX
WDT
MUX
Postscaler
Postscaler
Bit 2
PS2
1
Bit 1
PS1
PSA
To TMR0
Bit 0
PS2:PS0
PS0
1998 Microchip Technology Inc.
--11 1111
Power-On
Value on
Reset
--11 1111
WDT Reset
MCLR and
Value on