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Q: Should TCK be pulled up or down on Altera devices?
Answer:
Since 2000, Altera devices have been designed for a pull down resistor on TCK for both 3.3 and 5V devices. Please note that most non-Altera devices tend to expect a pull-up resistor on TCK or they even have built-in pull-up resistor on TCK/TMS/TDI.Warning: stristr() expects parameter 1 to be string, array given in /data/www/secons/jtagtest.com/htdocs/faq.php on line 141
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SECONS Ltd. is not in any way connected with integrated circuit manufacturers and there is no any type of authorization, association or affiliation between SECONS and integrated circuit manufacturers. All information present in this FAQ is provided for informational purposes only, on "as-is" basis, and is intended to be useful and informative for SECONS customers.