DLP9000: Purpose of the MBRST pins

Lesser Horned Owl

Part Number: DLP9000
Other Parts Discussed in Thread: DLPC900

Hi,

I am designing a board using the DLP9000 DMD device. I have some fairly tight routing constraints, and am questioning the use of bringing out all of the MBRST test points. I've not been able to get much information about how I'd use them, and I know that we've not had need for them in the past. How might I make the decision whether to remove them?

Thanks,

Hanson

over 6 years ago

0 Fizix over 6 years ago

TI__Guru 54320 points

The DLPC900/DLP9000 REFHW schematic has a note to bring out test points for MBRST 0, 15, 16, & 31 outside of the DMD outline. You could likely omit the others.

These are the first and last MBRST test poinst (TPs) for each half of the DMD and are there for debugging issues (such as with a new board design). Typically these are sufficient.

Fizix

0 Lesser Horned Owl over 6 years ago in reply to Fizix

Prodigy 140 points

Thank you for the fast response, I will do this.

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DLP9000: Purpose of the MBRST pins