FPGA

读flash不好使

2020-02-27 21:05发布

站内问答 / FPGA
2047 5 5
现在碰到一个比较棘手的问题，就是我的S6 LX45芯片，外部接有SPI flash，nor flash，现在FPGA能加载，但就是烧写到flash时不好使，无论是nor flash，还是spi flash都不好使。把FPGA，spi flash，nor flash都换了，还是不好使。我用示波器看读spi flash，输入波形（DI）有，输出波形（Dout）没有，FPGA芯片电压，晶振，复位都好使。能加载运行，说明FPGA最小系统已经工作了，那还可能有什么导致写nor flash，spi flash不好使，请大家指点，谢谢！
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5条回答
entepino
2020-02-27 23:39

写失败信息report：
INFO:iMPACT - Current time: 2013-10-29 14:06:00
// *** BATCH CMD : Program -p 1 -dataWidth 1 -spionly -e -v -loadfpga
PROGRESS_START - Starting Operation.
Maximum TCK operating frequency for this device chain: 25000000.
Validating chain...
Boundary-scan chain validated successfully.
'1': SPI access core not detected. SPI access core will be downloaded to the device to enable operations.
INFO:iMPACT - Downloading core file C:/Xilinx/13.4/ISE_DS/ISE/spartan6/data/xc6slx45_spi.cor.
'1': Downloading core...
LCK_cycle = NoWait.
LCK cycle: NoWait
done.
'1': Reading status register contents...
INFO:iMPACT:2219 - Status register values:
INFO:iMPACT - 0010 0100 0100 1000
INFO:iMPACT:2492 - '1': Completed downloading core to device.
INFO:iMPACT - '1': Flash was not programmed successfully.
PROGRESS_END - End Operation.
Elapsed time =      4 sec.

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