PIC16F506 Microchip Technology, PIC16F506 Datasheet - Page 69

• Manufacturer Part Number: PIC16F506
• Description: (PIC12F510 / PIC16F506) 8-Bit Flash Microcontroller
• Manufacturer: Microchip Technology

FIGURE 10-12:
TABLE 10-7:
© 2006 Microchip Technology Inc.
N/A
N/A
Legend: Shaded boxes = Not used by Watchdog Timer. – = unimplemented, read as ‘0’, u = unchanged.
Note 1:
Address
2:
Note 1:
PIC12F510 only.
PIC16F506 only.
OPTION
OPTION
Name
SUMMARY OF REGISTERS ASSOCIATED WITH THE WATCHDOG TIMER
T0CS, T0SE, PSA, PS<2:0> are bits in the OPTION register.
(1)
(2)
WATCHDOG TIMER BLOCK DIAGRAM
Watchdog
WDTE
Timer
GPWU
RBWU
Bit 7
From Timer0 Clock Source
(Figure 6-5)
GPPU T0CS
RBPU
Bit 6
0
1
T0CS
Bit 5
PSA
M
U
X
Preliminary
T0SE
T0SE
Bit 4
Bit 3
PSA
PSA
WDT Time-out
0
MUX
8-to-1 MUX
Postscaler
Postscaler
Bit 2
PS2
PS2
PIC12F510/16F506
1
Bit 1 Bit 0
PS1
PS1
PSA
To Timer0
PS0
PS0
PS<2:0>
1111 1111
1111 1111
Power-On
(Figure 6-4)
Value on
Reset
DS41268B-page 67
1111 1111
1111 1111
All Other
Value on
Resets