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Some ram areas in TMSVC5502 run error (not all)

FC Liu
Prodigy 20 points

Dears,

         we now use TVSVC5502 in our product, using CCS4.2 in WINXP SP3, as debug using JTAG(small test code,runs OK in  .cmd and .gel ),  can download and debug, but also followed by:

=========================================================================
Occured at 0x0000101A
C55xx: Trouble Reading Memory Block at 0x80e on Page 2 of Length 0x1: Error 0x00000002/-1069 Error during: Memory, PTI_ERR_MEM_BUSERR Error Occured at 0x0000101C
C55xx: Trouble Reading Memory Block at 0x80f on Page 2 of Length 0x1: Error 0x00000002/-1069 Error during: Memory, PTI_ERR_MEM_BUSERR Error Occured at 0x0000101E ==========================================================================

it seems few rams are bad,but not all. we changes 4 boards, same errors coming.

now our proj is tight,so we urgently want to now the reason and the resolve method.

thanks.

  • 0
    TI__Mastermind 23785 points

    How many uints out of a hundred are you seeing this? Who is your supplier? Is this a new board design?

    Regards.

  • 0 in reply to Steve Tsang
    Prodigy 20 points

    yes,it's a new board. the jtag circuit and reset/crystal/power  are no problem.

    we using small code for testing,  the wrong issues are like:

    =========================================================================
    Occured at 0x0000101A
    C55xx: Trouble Reading Memory Block at 0x80e on Page 2 of Length 0x1: Error 0x00000002/-1069 Error during: Memory, PTI_ERR_MEM_BUSERR Error Occured at 0x0000101C
    C55xx: Trouble Reading Memory Block at 0x80f on Page 2 of Length 0x1: Error 0x00000002/-1069 Error during: Memory, PTI_ERR_MEM_BUSERR Error Occured at 0x0000101E ==========================================================================

    ...... same appears about 10s items.

    supplier is  Serial Microelectronics(ShenZhen) Co.Ltd

    Shanghai Branch office

    rgds.

  • 0 in reply to FC Liu
    Genius 3735 points

    Isn't Page 2 I/O space?  I think that should be Page 0.  Check your command file.

    Regards,

    Bill