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suvarna
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1 month ago

10CL040YF484 Programming fails

1st Vendor Batch (Date Code: 2525):           - First Test (3 FPGAs):           - Card 1: ISP and JTAG programming successful; functioning correctly.           - Card 2: Programmed in ISP mode, ...
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suvarna's avatar
suvarna
Icon for New Contributor rankNew Contributor
1 month ago

Dear Sir,

please see my previous mail attached schematic and please see images attached . in working card DEVICE ID is coming and in bad card direct its telling JTAG error.

please see the attached images

VCCIO bank1 voltage is 3.3V only and VREF pins i am using them as i/o pins. 

MSEL setting  "0010" and nCE grounded with 10k resistor and connected to programmer 6th pin. with same download cable and same program i am loading in to good card and bad card. 

 TCK freq is 6MHZ waveform attached.