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Altera_Forum
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12 years ago

JTAG Configuration - conf_done pin always low, even pull-up

After Board power-on, the conf_done pin which is also 10k pulled-up to 3.2V, but the pin is stick to low. the pull-up is not working for this pin. No short to GND. After power-on device, 16...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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1. JTAG configuration can be implemented without any settings.

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Hi, I also thought this as the handbook seems to indicate this, but in the past someone has posted here with a similar problem and finally the problem seemed to be a "invalid" i.e. not specified configuration of the MSEL pins. Seems like the better interpretation is "JTAG can be used for every MSEL configuration of the specified ones"..

Just as a sidenote :-)