Two LEDs (red and green) are controlled by only one output pin. The LED1 will be ON by 62.5kHz, 1/16 duty cycle pulse. The LED2 will be ON by H-level output.
(The duty cycle must be 1/16. Note: 1/2 duty cycle pulse can't turn on LED1 at 3[V] Vcc.)
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| Vcc=3-6[V] |
| Output(pin 6) | RED(LED1) | GREEN(LED2) |
| L | OFF | OFF |
| 62.5kHz, 1/16 duty cycle pulse | ON | OFF |
| H | OFF | ON |
| The pulse and H every 0.5[ms] | ON(visually) | ON(visually) |
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| 62.5kHz, 1/16 duty cycle pulse output |
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| H level output |
