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Altera_Forum
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8 years ago

Max10 Jtag pins as Differential I/O.

Good day. I've got a problem with jtag pin sharing. My device is Max10 10M08. I use jtag pin sharing option and jtag pins as differential inputs. But when I try to program device with sof file us...
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Altera_Forum
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8 years ago

Hi,

JTAG pins cannot perform as JTAG pins in user mode if you assign any of the JTAG pins as a differential I/O pin.

You must use the JTAG pins as dedicated pins and not as a user I/O pins during JTAG programming.

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The JTAGEN pin is pulled-up with 10 kOm resistor to 3.3 V.

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Means JTAG pin is used as a dedicated pin.

Refer https://www.altera.com/en_us/pdfs/literature/hb/max-10/ug_m10_gpio.pdf

Best Regards,

Anand Raj Shankar

(This message was posted on behalf of Intel Corporation)