My TMS320C6455 did not work!The POR PIN seems broken!

yuan xu

Other Parts Discussed in Thread: TMS320C6455

Hello all!My English is poor,sorry!

My TMS320C6455 did not work.It can not connect to simulator.I have measured the pin POR's Resistance to ground.The value is 380 ohm.I guess that the pin has been broken.Did anyone else has meet the same situation.How can I do now?Repalce the chip?But other pins seems good.Thank you all!

over 13 years ago

0 BhavinKharadi over 13 years ago

TI__Genius 9020 points

Hi,

How did you verify that your other pins are good?

If your POR pin is broken then device will not get reset and nothing will happen.

Regards,

Bhavin

0 yuan xu over 13 years ago in reply to BhavinKharadi

Prodigy 30 points

Thank you!

Yes,My TMS320C6455 can not be reset,so I can do nothing.

The resistance of other pins is not so small.For example,the RESET which also have no inter pull up/down,its resistance is almost Infinity.

0 BhavinKharadi over 13 years ago in reply to yuan xu

TI__Genius 9020 points

Hi,

When you apply PORz do you see RESETSTATz pin going low and then becoming high soon? if not then PORz reset is not getting applied to device and you can conclude that PORz reset is not reaching to 6455 device.

Regards,

Bhavin

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My TMS320C6455 did not work!The POR PIN seems broken!