Configuration problem under low temperature at 10M04SAE144I7G

Hi Shraga Leitner,

This is weird. May I know how many unit is having this issue? Do you want to proceed for ERMA?

Regards,

YL

Hן YL

we have the same problem in all the boards

What is ERMA?

Shraga

Hello YL

can i send the schematic for review maybe i did something wrong ?

Hi Shraga,

If it is working under normal temperature but not cold temperature (-20 C), the connection and schematic should be correct.

Also, have you probed and observed the configuration pin on MAX 10?

ERMA is a process for us to perform failure analysis.

Regards,

YL

Dear YL

It is very strange, it is working from +40 to -30 degree

the main problem is that unter 10 degree when we turn OFF the power and ON again the Altera not working

so we cant power up at low temperature.

is it problem of device or pin configuration ?

Shraga.

Dear YL

it is urgent

please try to help with this problem ASAP

Shraga

Hi Shraga Leitner,

Can you please probe the power rail VCCIO, VCCA and VCC. The reason is because these power rail is required to power on the device. If the power rail is not at the intended voltage, can you please check if the power supply is working properly? If the power is working properly, please check the pin nSTATUS, nCONFIG, CONF_DONE.

Moreover, the problem is happening on all the board (i assumed is all the devices you have), it seems to me it is board issue.

Can you please confirm?

Regards,

YL

Dear YL

1. can we send the FPGA board schematic for review ?
2. can you let me know what is the device configuration that we should set, we did set without nSTATUS, nCONFIG, CONF_DONE. pins - what is the correct setup for this IC ?

Thank you in advance

Shraga

Hi Shraga,

The reason to probe "power rail VCCIO, VCCA and VCC" and "configuration pin nSTATUS, nCONFIG, CONF_DONE" is to identify the root cause for it.

I dont think we need to check the schematics. The reason is because it works normally but not in low temperature (-30 Degree Celcius).

Hope for your understanding.

Regards,

YL

dear TL

can i disable the pins nSTATUS, nCONFIG, CONF_DONE when we config via JTAG?

the only function now on is Auto_restart configuration after error

Shraga