JFlash ARM doesn't see AT91SAM7SE512 in a multi device chain

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  • JFlash ARM doesn't see AT91SAM7SE512 in a multi device chain

    I get the following error message when trying to program an AT91SAM7SE512.

    - Detecting flash memory ...
    - ERROR: Could not find any flash devices
    - ERROR: Failed to connect

    The ARM is the first device in the chain. The J-Link commander output is shown below. It is a little curious that the ARM ID shows up as device #1, even though it is the first device in the chain.

    J-Link Commander Output:
    SEGGER J-Link Commander V3.90d ('?' for help)
    Compiled Sep 1 2008 13:56:54
    DLL version V3.90d, compiled Sep 1 2008 13:56:39
    Firmware: J-Link ARM V7 compiled Jul 30 2008 11:26:34
    Hardware: V7.00
    S/N : 57000314
    VTarget = 3.293V
    Info: TotalIRLen = 13, IRPrint = 0x07D1
    Found 2 JTAG devices, Total IRLen = 13:
    Id of device #0: 0x62896093
    Id of device #1: 0x05B1403F
    JTAG speed: 5 kHz
    J-Link>

    I tried various settings, such as auto-detect and Simple Configuration of position 0, IR = 0, and still get the same error. Any idea how to make the software recognize and program the FLASH on the AT91SAM7SE512 with the specified chain?

    Thanks,

    Chris

  • Hi Chris,

    2 points:
    - It is not clear which program are you using that is outputting the text you show
    - None of the JTAG IDs shown in the output of J-Link commander
    seem to match the JTAG ID of the AT91SAM7SE512. It should be 3F0F0F0F.

    What is the output of J-Link commander if you have just one device in the chain
    and which program do you want to use (IAR, J-Flash, ...) ?