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Altera_Forum
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9 years ago

ALtera MAX10 JTAG Problem

Hello, I made some BLDC and IO expander boards based on Altera MAX10, and i have strange problem that from Quartus at first programming after power was supplied, it does not want to program, but s...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

1) nSTATUS does go high after power on, even if device is fail to boot from flash

2) Yes, it is Terrasic USB blaster programmer. Strangely enough, when device does not boot, jtag still can't find it, while all voltages are spot on within 5mV. but when i cycle power, and max10 booted, it can be programmed first time every time.

3) No errors, it can't find any device in JTAG chain.

4), yes i can ( goto circuit.pdf) ( Note i changed VCC_3.0V to 3.3V since i was thinking that was a problem, but in the end, not)