DLPU040C October 2016 – July 2024 DLP650LNIR , DLPC410
D3 is an LED which indicates the DLPC410 is currently being configured from the DLPR410 PROM. D3 is turned on when the DLPC410 DONE pin is low, [not DONE]. Once the DLPC410 is completely configured, the DLPC410 DONE pin goes high and this LED turns OFF.
When the DLPC10 DONE pin goes high indicating the DLPC410 completed programming successfully and the DLPC410 is up and running, the green LED D17 is turned on by internal logic with the enabling of the DLPC410 IO.