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- SCM
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[WORD]
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- 3kb
- Update:
- 2012-11-26
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Description: 51 MCU external interrupt 1 pin tap-K1, external interrupt pin 0 tap-K0, P1.0 ~ P1.7 respectively, then eight light-emitting diode, the boot after only a light-emitting diodes every 0.5 seconds left to right circular Move lit.
When the K1 level generated level transition, the cycle of mobile light-emitting diode has been stopped, replaced by a yellow LED 5 seconds between the flash, flicker frequency of 0.5 seconds, five seconds later, eight light-emitting diode back to the original loop light-emitting state.
When K0 level is low, whether it is light-emitting diode in a cycle of moving the state, or in the yellow diode 5 seconds between the flash state, should be forced to suspend and replace it with a red diode to 0.25 seconds intervals continued to blink, when K0 electric was promoted to high level when the light-emitting diodes to restore to its original state.
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