SOCWdog-APB Watchdog Timer Core SOC-Wdog-APB Watchdog Timer

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SOCWdog-APB Watchdog Timer Core SOC-Wdog-APB Watchdog Timer

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down counter selectable prescalers Watchdog reset Warning interrupt before reset Configurable time lapse after
SOCWdog-APB
Watchdog Timer Core
SOC-Wdog-APB Watchdog Timer fail/safe function used reset system case microprocessor gets lost address data errors.
reset
AMBA interface
Watchdog Timer module down counter with selectable prescaler, watchdog reset, warning interrupt, reset controller. Prescale values selected. prescaler extends timer's range expense precision. Watchdog reset used reset system after configurable time lapse without activity. warning interrupt issued predetermined amount time before watchdog reset indicate reset imminent. reset controller within this module used provide glitch free version external reset internal system, issue early reset components before processor reset. SOC-Wdog-APB contains several configuration registers that written read processor. 4-bit prescalers precede 16-bit counter. counter clocked either input clock rate, choice prescaled rates. counter loaded with value from preload register. watchdog will generate interrupt when decrements warning time, then reset when decrements zero.
Deliverables
SOC-Wdog-APB Watchdog Timer package includes fully tested verified Verilog source Verilog testbench. SOCWdog-APB also delivered FPGA Netlist Xilinx, Altera Actel FPGAs
Support
SOC-Wdog-APB core delivered warranted against defects ninety days from purchase. Thirty days phone email technical support included, starting with first interaction. Additional maintenance support options available.
Block Diagram
April 2008
CAST, Inc. www.cast-inc.com 201-391-8300
Stonewall Court Woodcliff Lake, 07677 Copyright CAST, Inc. 2008, Rights Reserved. Contents subject change without notice. Trademarks property their respective owners.

SOCWdog-APB Watchdog Timer Core SOC-Wdog-APB Watchdog Timer

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