Programmable Devices
CPLDs, FPGAs, SoC FPGAs, Configuration, and Transceivers
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Altera_Forum
Honored Contributor II
‎07-23-2010 08:54 PM
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Hi, 

 

Can I connect TDI, TDO, TMS and TCK pins of EPM7128S CPLD to GND or VCC during chip's normal operation? Thanks.
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Altera_Forum
Honored Contributor II
‎07-24-2010 12:10 AM
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--- Quote Start ---  

Hi, 

 

Can I connect TDI, TDO, TMS and TCK pins of EPM7128S CPLD to GND or VCC during chip's normal operation? Thanks. 

--- Quote End ---  

 

 

You can. Connect TMS to VCC. TCK and TDI to VCC or GND. 

Don't connect TDO to VCC or GND. It's an output. 

 

Bye, Ton
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Altera_Forum
Honored Contributor II
‎07-27-2010 05:07 PM
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Thank you very much.

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