One output pin drives 2 LEDs

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.)

Vcc=3-6[V]

C Source & Binary(for ATTiny85)

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)

62.5kHz, 1/16 duty cycle pulse output

H level output