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Overview
A watchdog is used in systems to prevent system lockup due to software or hardware failures. For normal operation, the timeout counter has to be reset by the CPU in a regular interval. Depending on the watchdog configuration, the watchdog asserts the reset_req and int_req outputs upon expiration of the timeout counters.
To avoid malfunction software to reconfigure the watchdog, all configuration registers are protected by a special lock key. The timeout interval can be configured over a wide range:
To avoid malfunction software to reconfigure the watchdog, all configuration registers are protected by a special lock key. The timeout interval can be configured over a wide range:
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Tech Specs
| Part Number | WDmodule |
| Short Description | Configurable Watchdog Timer (WD) |
| Provider | |
| Maturity | Silicon proven in ASIC and FPGA Technologies |
| Target Process Node | Technology independent |