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图1
图2
图1为该CPLD的最小系统,图二为该芯片的下载电路,通过下载软件ispVM System下载程序,不能够下载程序,但是能够扫描到该芯片。如下图所示:
下面是log文件里面的内容:
Lattice Semiconductor Corporation
ispVM?System V18.1
Device Database V18.1
System Information:
-----------------------------------------------------
Microsoft(R) Windows(R) XP(TM) Service Pack 3
Pentium(R) Dual-Core CPU E5300 @ 2.60GHz
USB V2.0 detected.
USB V2.0 detected.
09/26/13 22:57:13
Check configuration setup: Start.
09/26/13 22:57:13
JTAG Chain Verification. No Errors.
09/26/13 22:57:13
Check configuration setup: Successful.
09/26/13 22:57:13
Device1 LC4256ZE: Erase,Program,Verify
--------------Row1--------------:
HDR 0
TDR 0
SDR 1592 TDI(00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000)
Expected TDO(5FFFFFF07FFF07FE0F83EFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBFFFFFE0FFFE0FFC1F07DFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFFFFFFFEBFFFFFFFFFC1FFFFFFFFFFFFFFFFEBFFFFFFFFFC1FFFFFFFFD7FFFFFC1FFFFE0FFC1FFFFFFFFFFD7FFFFFFFFF83FFFFFFFFBFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFFFFFFFF5FFFFFFF83FFFFFE0FFFFFFFFFFFF)
Received TDO(FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC00000001FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF800000003FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE00000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC00000001FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF800000003FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE00000000)
Bits Error 1592: Expected: 0 Received: 1
Bits Error 1590: Expected: 0 Received: 1
Bits Error 1564: Expected: 0 Received: 1
Bits Error 1563: Expected: 0 Received: 1
Bits Error 1562: Expected: 0 Received: 1
Bits Error 1561: Expected: 0 Received: 1
Bits Error 1560: Expected: 0 Received: 1
Bits Error 1544: Expected: 0 Received: 1
Bits Error 1543: Expected: 0 Received: 1
Bits Error 1542: Expected: 0 Received: 1
and more...
Execution time: 1.43 seconds
09/26/13 22:57:15
Failed in Function VERIFY
09/26/13 22:57:16
Process Operation Failed.
Elapsed time: 03 sec
09/26/13 22:57:16
Operation: Unsuccessful.
请用过这颗芯片的朋友帮忙看看到底是不是硬件设计的问题。
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