PIC18LF24K Datasheet, PDF (26/594 Pages) –

PIC18(L)F26/45/46K40
REGISTER 3-5:
U-1
—
bit 7
CONFIGURATION WORD 3L (30 0004h): WINDOWED WATCHDOG TIMER
R/W-1
R/W-1
R/W-1
R/W-1
R/W-1
R/W-1
R/W-1
WDTE<1:0>
WDTCPS<4:0>
bit 0
Legend:
R = Readable bit
-n = Value for blank device
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘1’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
bit 6-5
bit 4-0
Unimplemented: Read as ‘1’
WDTE<1:0>: WDT Operating Mode bits
11 = WDT enabled regardless of Sleep; SEN bit in WDTCON0 is ignored
10 = WDT enabled while Sleep = 0, suspended when Sleep = 1; SEN bit in WDTCON0 is ignored
01 = WDT enabled/disabled by SEN bit in WDTCON0
00 = WDT disabled, SEN bit in WDTCON0 is ignored
WDTCPS<4:0>: WDT Period Select bits
WDTCPS
11111
10011
...
11110
10010
10001
10000
01111
01110
01101
01100
01011
01010
01001
01000
00111
00110
00101
00100
00011
00010
00001
00000
Value
01011
10011
...
11110
10010
10001
10000
01111
01110
01101
01100
01011
01010
01001
01000
00111
00110
00101
00100
00011
00010
00001
00000
WDTPS at POR
Divider Ratio
1:65536 2¹⁶
Typical Time Out
(FIN = 31 kHz)
2s
Software Control
of WDTPS?
Yes
1:32 2⁵
1 ms
No
1:8388608 2²³
256s
1:4194304 2²²
128s
1:2097152 2²¹
64s
1:1048576 2²⁰
32s
1:524299 2¹⁹
16s
1:262144 2¹⁸
8s
1:131072 2¹⁷
4s
1:65536 2¹⁶
2s
1:32768 2¹⁵
1s
1:16384 2¹⁴
512 ms
No
1:8192 2¹³
256 ms
1:4096 2¹²
128 ms
1:2048 2¹¹
64 ms
1:1024 2¹⁰
32 ms
1:512 2⁹
16 ms
1:256 2⁸
8 ms
1:128 2⁷
4 ms
1:64 2⁶
2 ms
1:32 2⁵
1 ms
 2016 Microchip Technology Inc.
Preliminary
DS40001816C-page 26