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TDA4VM: Disable USB interface solution

yichi zhang

Prodigy 130 points

Part Number: TDA4VM

Tool/software:

Hi TI team,

we are wondering to know how could we disable USB interface on TDA4-GP. Also we know TDA4-GP is no HSM, so if diable USB need HSM, could you please let us know the solution on TDA4-HSM

0 Diwakar Dhyani 2 months ago

TI__Guru 57065 points

Hi

what is TDA4-HSM, did you mean HS device ?

Which sdk you are using? and what is the usecase.

Regards
Diwakar

0 yichi zhang 2 months ago in reply to Diwakar Dhyani

Prodigy 130 points

Yes TDA4-HS device, SDK is 7.03. Currnetly we are using USB for DFU refalsh but customer is request to close all debug interface so we are planning to close it.

0 Diwakar Dhyani 2 months ago in reply to yichi zhang

TI__Guru 57065 points

On HS-SE by default JTAG is closed and Can only be opened using signed debug certificate.So you dont have to actually disable the JTAG on HS-SE.

0 Diwakar Dhyani 2 months ago in reply to yichi zhang

TI__Guru 57065 points

Also DFU is not a debug interface , do you want to close port which you are using for DFU?

0 yichi zhang 2 months ago in reply to Diwakar Dhyani

Prodigy 130 points

Yes，is there any solution to disable the USB port from TI?

+1 Diwakar Dhyani 2 months ago in reply to yichi zhang

TI__Guru 57065 points

If they are using linux sdk you can just remove the USB node from the dtsi.