19.9.1 WDTCON - Watchdog Timer Control Register
Name: | WDTCON |
Offset: | 0x00 |
Reset: | 0x00 |
Property: | - |
Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
WDTCLRKEY[15:8] | |||||||||
Access | W | W | W | W | W | W | W | W | |
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
WDTCLRKEY[7:0] | |||||||||
Access | W | W | W | W | W | W | W | W | |
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
ON | RUNDIV[4:0] | ||||||||
Access | R/W | R | R | R | R | R | |||
Reset | y | y | y | y | y | y |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
SLPDIV[4:0] | WDTWINEN | ||||||||
Access | R | R | R | R | R | R/W | |||
Reset | y | y | y | y | y | 0 |
Bits 31:16 – WDTCLRKEY[15:0] Watchdog Timer Clear Key bits
To clear the WDT to prevent a time-out, software must write the value 0x5743 to this location using a single 16-bit write. Anything other than a 16-bit write will not reset the WDT. You must use a 16-bit write for the WDTCLRKEY[15:0] bits.
Bit 15 – ON Watchdog Timer Enable bit
Note:
- This bit only has control when the WDTEN bit (DEVCFG2/CFGCON2[23]) = 0.
Value | Description |
---|---|
1 |
WDT is enabled |
0 |
WDT is disabled |
Bits 12:8 – RUNDIV[4:0] Watchdog Timer Postscaler Run Counter Value bits
Bits 5:1 – SLPDIV[4:0] Watchdog Timer Postscaler Sleep Counter Value bits
Bit 0 – WDTWINEN Watchdog Timer Window Enable bit
Value | Description |
---|---|
1 |
Enable windowed WDT |
0 |
Disable windowed WDT |