Watchdog Timer Interface

Use the SYSTEM_WATCHDOG_LOGIC_CTRL parameter to reference the watchdog timer.

Table 1. Watchdog Timer I/O Ports
Port Direction Description
system_watchdog_hardPanic Output Indicates that the watchdog timer counter 1 has reached its limit. Active high.
0: Counter 1 has not reached its limit.
1: Counter 1 has reached its limit.
Table 2. Watchdog Timer Register Map
Address Offset Register Name Privilege Width
0x0000_0000 WATCHDOG_HEARTBEAT Write 32
0x0000_0004 WATCHDOG_ENABLE Write 32
0x0000_0008 WATCHDOG_DISABLE Write 32
0x0000_0040 WATCHDOG_PRESCALER Write 32
0x0000_0080 WATCHDOG_COUNTER_LIMIT 0 Write 32
0x0000_0084 WATCHDOG_COUNTER_LIMIT 1 Write 32
0x0000_00C0 WATCHDOG_COUNTER_VALUE 0 Read 32
0x0000_00C4 WATCHDOG_COUNTER_VALUE 1 Read 32