SOFTWARE WATCHDOG TIMER IMPLEMENTATION DEVICE AND METHOD TO ENHANCE AVAILABILITY OF SET-TOP BOX

摘要

The present invention relates to a device and a method for realizing a software watchdog timer to enhance the availability of a set-top box. The provided device for realizing a soft watchdog timer to enhance the availability of a set-top box comprises: a packet generator for periodically generating a packet; a transmitting module for transmitting a packet; a receiving module for receiving a transmitted packet, and normally operating or generating a reset signal by checking whether the received packet is normal; and a reset counter for adjusting a receiving count depending on whether a packet of normal or abnormal. [Reference numerals] (110) Packet generator;(120) Transmitting module;(130) Receiving module;(140) Reset counter