Do not use ISO7816/14443 interface in SE050

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Do not use ISO7816/14443 interface in SE050

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1,656 Views
george
Senior Contributor II

Dear NXP team,

We will use SE050 for our new product.

However, our product does not use ISO7816 and ISO14443 Interfaces.

pastedImage_1.png

ISO_14443_LA

ISO_14443_LB

ISO_7816_RST

ISO_7816_CLK

ISO_7816_IO

ISO_7816_IO2

How should these pins be terminated?

Best Regards,

George

1 Solution
1,445 Views
Kan_Li
NXP TechSupport
NXP TechSupport

Hello George,

If not used, ISO7816 interface tied to VCC and ISO14443 interface tie to GND.

Hope that helps,

Have a great day,
Kan

 

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4 Replies
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Kan_Li
NXP TechSupport
NXP TechSupport

Hello George,

If not used, ISO7816 interface tied to VCC and ISO14443 interface tie to GND.

Hope that helps,

Have a great day,
Kan

 

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- We are following threads for 7 weeks after the last post, later replies are ignored
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1,445 Views
george
Senior Contributor II

Dear Kan_Li,

Thank you for your quick reply.

Is my understanding correct below?

pastedImage_1.png

And is the Pull Up/Down value about 10k-ohm appropriate?

BR,

George

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1,445 Views
Kan_Li
NXP TechSupport
NXP TechSupport

Hi George,

Yes, that is ok.

Have a great day,
Kan

 

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Note:
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- We are following threads for 7 weeks after the last post, later replies are ignored
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george
Senior Contributor II

Thanks,

George

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