Acer V173 Technical Information download pdf (Page 24)

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Software Flow Chart

1. MCU initialize

2. Is the eeprom blank?

3. Program the eeprom by default values.

4. Get the PWM value of brightness from eeprom.

5. Is the power key pressed?

6. Clear all global flags.

7. Are the “<” and “>” (Adjust key) and power key.

8. Enter factory mode

9. Save the power key status into eeprom.

Turn on the LED and set it to green color.

Scalar initialize.

10. In standby mode?

11. Update the lift time of back light.

12. Check the analog port, are there any signals coming?

13. Does the scalar send out a interrupt request?

14. Wake up the scalar

15. Are there any signal coming from analog port?

16. Display “Cable Not Connected” message, and go into standby mode after the message disappear.

17. Program the scalar to be able to show the coming mode.

18. Process the OSD display.

19. Read the key board. Is the power key pressed?

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Acer V173 Technical Information Page 24