DLPU082B August 2021 – August 2022 DLPC7540
After a successful boot-up, the controller begins toggling the GPIO_28. Typical operation reflects 1 Hz, 50% duty-cycle. If the device detects and error, the signal changes to 5 Hz, 50% duty-cycle. The front-end component can read through the System Status command. Use the DLP Composer tool to assign a different pin and/or polarity for this purpose.