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JTAG ERROR: Failed passing SOM test

Question asked by maxxisis on Mar 20, 2011
Latest reply on Mar 24, 2011 by maxxisis


  i have a problem with BF504F. I have made 2 PCBs with BF504F. One kit is functional with JTAG, but one is not. During connecting JTAG, it writes:" failed passing SOM test"(attached printscreen). What is SOM test?? When i need to boot from SPI memory it also never boots. It sends 0x03 on MOSI, but after several cycles stop communicating. Thanks