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Altera_Forum's avatar
Altera_Forum
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17 years ago

nStatus can't go high

I have just finished my pcb of EP3C25F324, but it can't work when I power on the board, all user IO pins stayed high, the nSTATUS remaid low, and nCONFIG statyed high. Is't the problem of POR? Or ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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I have solved the JTAG problem. The reason is that VCCINT and VCCA were not powered correctly.

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can you show me more details? thank you!