Freescale Semiconductor /SKEAZ1284 /WDOG /CS1

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Interpret as CS1

7 43 0 0 00 0 0 0 0 0 0 0 0 (0)STOP 0 (0)WAIT 0 (0)DBG 0 (00)TST0 (0)UPDATE 0 (0)INT 0 (0)EN

INT=0, WAIT=0, STOP=0, UPDATE=0, EN=0, DBG=0, TST=00

Description

Watchdog Control and Status Register 1

Fields

STOP

Stop Enable

0 (0): Watchdog disabled in chip stop mode.

1 (1): Watchdog enabled in chip stop mode.

WAIT

Wait Enable

0 (0): Watchdog disabled in chip wait mode.

1 (1): Watchdog enabled in chip wait mode.

DBG

Debug Enable

0 (0): Watchdog disabled in chip debug mode.

1 (1): Watchdog enabled in chip debug mode.

TST

Watchdog Test

0 (00): Watchdog test mode disabled.

1 (01): Watchdog user mode enabled. (Watchdog test mode disabled.) After testing the watchdog, software should use this setting to indicate that the watchdog is functioning normally in user mode.

2 (10): Watchdog test mode enabled, only the low byte is used. WDOG_CNTL is compared with WDOG_TOVALL.

3 (11): Watchdog test mode enabled, only the high byte is used. WDOG_CNTH is compared with WDOG_TOVALH.

UPDATE

Allow updates

0 (0): Updates not allowed. After the initial configuration, the watchdog cannot be later modified without forcing a reset.

1 (1): Updates allowed. Software can modify the watchdog configuration registers within 128 bus clocks after performing the unlock write sequence.

INT

Watchdog Interrupt

0 (0): Watchdog interrupts are disabled. Watchdog resets are not delayed.

1 (1): Watchdog interrupts are enabled. Watchdog resets are delayed by 128 bus clocks.

EN

Watchdog Enable

0 (0): Watchdog disabled.

1 (1): Watchdog enabled.

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