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Visitor
Visitor
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Registered: ‎10-01-2018

custom zedboard

hai there we had launched a xc7z020-1clg484 based board where my fpga device is not detected in vivado

i had checked the cable installations and device installations in vivado they are properly installed even i had reinstalled them still my device is not detecting it is showing error as 

ERROR: [Labtools 27-2269] No devices detected on target localhost:3121/xilinx_tcf/Xilinx/00001b3102bf01.
Check cable connectivity and that the target board is powered up then
use the disconnect_hw_server and connect_hw_server to re-register this hardware target.
ERROR: [Common 17-39] 'refresh_hw_target' failed due to earlier errors.

where on hardware my device is showing 

tck-3.3v

tms-3.3v

tdi-3.3v

tdo-3.3v

in default mode

where as when i am trying to connect through jtag platform cable usb 2 i am getting

tck-0.02

tms-0.01

tdi-0.01

tdo-3.22v

i dont know what is the problem here i am attaching the excel showing the voltage i had supplied to banks

i had gone through voltage measurements using multimeter on hardware where all are showing proper voltages to the banks

can anyone please help me resolve this issue regarding jtag

 

 

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Teacher
Teacher
110 Views
Registered: ‎07-09-2009

out with the scope,
do the JTAG test, follow the signals with the scope, see where they stop,

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