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WDT

Peripheral Memory Blocks

address_offset : 0x0 Bytes (0x0)
size : 0x400 byte (0x0)
mem_usage : registers
protection :

Registers

CTRL

RST

CLKSEL

CNT


CTRL

Watchdog Timer Control Register.
address_offset : 0x0 Bytes (0x0)
size : -1 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

CTRL CTRL read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 INT_LATE_VAL RST_LATE_VAL EN INT_LATE WDT_INT_EN WDT_RST_EN INT_EARLY INT_EARLY_VAL RST_EARLY_VAL CLKRDY_IE CLKRDY WIN_EN RST_EARLY RST_LATE

INT_LATE_VAL : Windowed Watchdog Interrupt Upper Limit. Sets the number of WDTCLK cycles until a windowed watchdog timer interrupt is generated (if enabled) if the CPU does not write the windowed watchdog reset sequence to the WWDT_RST register before the watchdog timer has counted this time period since the last timer reset.
bits : 0 - 3 (4 bit)

Enumeration:

0 : wdt2pow31

2**31 clock cycles.

1 : wdt2pow30

2**30 clock cycles.

2 : wdt2pow29

2**29 clock cycles.

3 : wdt2pow28

2**28 clock cycles.

4 : wdt2pow27

2^27 clock cycles.

5 : wdt2pow26

2**26 clock cycles.

6 : wdt2pow25

2**25 clock cycles.

7 : wdt2pow24

2**24 clock cycles.

8 : wdt2pow23

2**23 clock cycles.

9 : wdt2pow22

2**22 clock cycles.

10 : wdt2pow21

2**21 clock cycles.

11 : wdt2pow20

2**20 clock cycles.

12 : wdt2pow19

2**19 clock cycles.

13 : wdt2pow18

2**18 clock cycles.

14 : wdt2pow17

2**17 clock cycles.

15 : wdt2pow16

2**16 clock cycles.

End of enumeration elements list.

RST_LATE_VAL : Windowed Watchdog Reset Upper Limit. Sets the number of WDTCLK cycles until a system reset occurs (if enabled) if the CPU does not write the watchdog reset sequence to the WDT_RST register before the watchdog timer has counted this time period since the last timer reset.
bits : 4 - 7 (4 bit)

Enumeration:

0 : wdt2pow31

2**31 clock cycles.

1 : wdt2pow30

2**30 clock cycles.

2 : wdt2pow29

2**29 clock cycles.

3 : wdt2pow28

2**28 clock cycles.

4 : wdt2pow27

2^27 clock cycles.

5 : wdt2pow26

2**26 clock cycles.

6 : wdt2pow25

2**25 clock cycles.

7 : wdt2pow24

2**24 clock cycles.

8 : wdt2pow23

2**23 clock cycles.

9 : wdt2pow22

2**22 clock cycles.

10 : wdt2pow21

2**21 clock cycles.

11 : wdt2pow20

2**20 clock cycles.

12 : wdt2pow19

2**19 clock cycles.

13 : wdt2pow18

2**18 clock cycles.

14 : wdt2pow17

2**17 clock cycles.

15 : wdt2pow16

2**16 clock cycles.

End of enumeration elements list.

EN : Windowed Watchdog Timer Enable.
bits : 8 - 8 (1 bit)

Enumeration:

0 : dis

Disable.

1 : en

Enable.

End of enumeration elements list.

INT_LATE : Windowed Watchdog Timer Interrupt Flag Too Late.
bits : 9 - 9 (1 bit)

Enumeration: ( read-write )

0 : inactive

No interrupt is pending.

1 : pending

An interrupt is pending.

End of enumeration elements list.

WDT_INT_EN : Windowed Watchdog Timer Interrupt Enable.
bits : 10 - 10 (1 bit)

Enumeration:

0 : dis

Disable.

1 : en

Enable.

End of enumeration elements list.

WDT_RST_EN : Windowed Watchdog Timer Reset Enable.
bits : 11 - 11 (1 bit)

Enumeration:

0 : dis

Disable.

1 : en

Enable.

End of enumeration elements list.

INT_EARLY : Windowed Watchdog Timer Interrupt Flag Too Soon.
bits : 12 - 12 (1 bit)

Enumeration: ( read-write )

0 : inactive

No interrupt is pending.

1 : pending

An interrupt is pending.

End of enumeration elements list.

INT_EARLY_VAL : Windowed Watchdog Interrupt Lower Limit. Sets the number of WDTCLK cycles that establishes the lower boundary of the watchdog window. A windowed watchdog timer interrupt is generated (if enabled) if the CPU writes the windowed watchdog reset sequence to the WWDT_RST register before the watchdog timer has counted this time period since the last timer reset.
bits : 16 - 19 (4 bit)

Enumeration:

0 : wdt2pow31

2**31 clock cycles.

1 : wdt2pow30

2**30 clock cycles.

2 : wdt2pow29

2**29 clock cycles.

3 : wdt2pow28

2**28 clock cycles.

4 : wdt2pow27

2^27 clock cycles.

5 : wdt2pow26

2**26 clock cycles.

6 : wdt2pow25

2**25 clock cycles.

7 : wdt2pow24

2**24 clock cycles.

8 : wdt2pow23

2**23 clock cycles.

9 : wdt2pow22

2**22 clock cycles.

10 : wdt2pow21

2**21 clock cycles.

11 : wdt2pow20

2**20 clock cycles.

12 : wdt2pow19

2**19 clock cycles.

13 : wdt2pow18

2**18 clock cycles.

14 : wdt2pow17

2**17 clock cycles.

15 : wdt2pow16

2**16 clock cycles.

End of enumeration elements list.

RST_EARLY_VAL : Windowed Watchdog Reset Lower Limit. Sets the number of WDTCLK cycles that establishes the lower boundary of the watchdog window. A system reset occurs (if enabled) if the CPU writes the windowed watchdog reset sequence to the WWDT_RST register before the watchdog timer has counted this time period since the last timer reset.
bits : 20 - 23 (4 bit)

Enumeration:

0 : wdt2pow31

2**31 clock cycles.

1 : wdt2pow30

2**30 clock cycles.

2 : wdt2pow29

2**29 clock cycles.

3 : wdt2pow28

2**28 clock cycles.

4 : wdt2pow27

2^27 clock cycles.

5 : wdt2pow26

2**26 clock cycles.

6 : wdt2pow25

2**25 clock cycles.

7 : wdt2pow24

2**24 clock cycles.

8 : wdt2pow23

2**23 clock cycles.

9 : wdt2pow22

2**22 clock cycles.

10 : wdt2pow21

2**21 clock cycles.

11 : wdt2pow20

2**20 clock cycles.

12 : wdt2pow19

2**19 clock cycles.

13 : wdt2pow18

2**18 clock cycles.

14 : wdt2pow17

2**17 clock cycles.

15 : wdt2pow16

2**16 clock cycles.

End of enumeration elements list.

CLKRDY_IE : Switch Ready Interrupt Enable. Fires an interrupt when it is safe to swithc the clock.
bits : 27 - 27 (1 bit)

CLKRDY : Clock Status.
bits : 28 - 28 (1 bit)

WIN_EN : Enables the Windowed Watchdog Function.
bits : 29 - 29 (1 bit)

Enumeration:

0 : dis

Windowed Mode Disabled (i.e. Compatibility Mode).

1 : en

Windowed Mode Enabled.

End of enumeration elements list.

RST_EARLY : Windowed Watchdog Timer Reset Flag Too Soon.
bits : 30 - 30 (1 bit)

Enumeration: ( read-write )

0 : noEvent

The event has not occurred.

1 : occurred

The event has occurred.

End of enumeration elements list.

RST_LATE : Windowed Watchdog Timer Reset Flag Too Late.
bits : 31 - 31 (1 bit)

Enumeration: ( read-write )

0 : noEvent

The event has not occurred.

1 : occurred

The event has occurred.

End of enumeration elements list.


RST

Windowed Watchdog Timer Reset Register.
address_offset : 0x4 Bytes (0x0)
size : -1 bit
access : write-only
reset_value : 0x0
reset_Mask : 0x0

RST RST write-only 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 RESET

RESET : Writing the watchdog counter 'reset sequence' to this register resets the watchdog counter. If the watchdog count exceeds INT_PERIOD_UPPER_LIMIT then a watchdog interrupt will occur, if enabled. If the watchdog count exceeds RST_PERIOD_UPPER_LIMIT then a watchdog reset will occur, if enabled.
bits : 0 - 7 (8 bit)

Enumeration:

0x000000A5 : seq0

The first value to be written to reset the WDT.

0x0000005A : seq1

The second value to be written to reset the WDT.

End of enumeration elements list.


CLKSEL

Windowed Watchdog Timer Clock Select Register.
address_offset : 0x8 Bytes (0x0)
size : -1 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0

CLKSEL CLKSEL read-write 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 SOURCE

SOURCE : WWDT Clock Selection Register.
bits : 0 - 2 (3 bit)


CNT

Windowed Watchdog Timer Count Register.
address_offset : 0xC Bytes (0x0)
size : -1 bit
access : read-only
reset_value : 0x0
reset_Mask : 0x0

CNT CNT read-only 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Resets to Resets to 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 COUNT

COUNT : Current Value of the Windowed Watchdog Timer Counter.
bits : 0 - 31 (32 bit)



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