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Altera_Forum's avatar
Altera_Forum
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15 years ago

JTAG Pins

Hi,

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

2 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    15 years ago

    --- 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