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Creating Safe State Machines(Mentor)

  • 资源大小:166 K
  • 上传时间: 2013-10-08
  • 上传用户:z147028571a
  • 资源积分:2 下载积分
  • 标      签: Creating Machines Mentor State

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Finite state machines are widely used in digital circuit designs. Generally, when designing a state machine using an HDL, the synthesis tools will optimize away all states that cannot be reached and generate a highly optimized circuit. Sometimes, however, the optimization is not acceptable. For example, if the circuit powers up in an invalid state, or the circuit is in an extreme working environment and a glitch sends it into an undesired state, the circuit may never get back to its normal operating condition.

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