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  3. AR# 29864: 12.1 EDK - I cannot download bitstreams to the targeted FPGA, even though I can do this with iMPACT

AR# 29864

12.1 EDK - I cannot download bitstreams to the targeted FPGA, even though I can do this with iMPACT

描述

I can program the "download.bit" file into the FPGA using iMPACT.

However, when I select Download Bitstream in the XPS GUI, the following error occurs:
 

ERROR:iMPACT:583 - '<position_number>': The idcode read from the device does not match the idcode in the bsdl File.
INFO:iMPACT:1578 - '<position_number>': Device IDCODE : 00000000000000000000000000000000
INFO:iMPACT:1579 - '<position_number>': Expected IDCODE: 00000010101010010110000010010011

解决方案

This error indicates that you did not specify the correct JTAG chain position number for the targeted FPGA.

To resolve this issue, open the "download.cmd" file and pinpoint the correct position number after "-p".

For example, if the targeted FPGA is the fourth chip on the JTAG chain, the statements in "download.cmd" should look similar to the following:
 

assignfile -p 4 -file implementation/download.bit
program -p 4

链接问答记录

主要问答记录

Answer Number 问答标题 问题版本 已解决问题的版本
34609 12.x EDK － 主要问答记录列表 N/A N/A
AR# 29864
日期 03/24/2015
状态 Active
Type 综合文章
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