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MSP-GANG programmer VCC problem

Serkan AKBULUT
Intellectual 270 points
Other Parts Discussed in Thread: MSP430G2433, MSP-GANG

Hi,

I am using Spy-Bi-Wire to program Msp430g2433 devices with MSP-Gang Programmer. And I am giving the voltage from programmer.

Problem is my reset circuit has  4 second delay.

And programmer application giving voltage after I press GO button. After 100 ms it is starting communication with devices. So if I write my own application can I give the voltage 4 second earlier.

Thank you.

  • 0
    TI__Guru* 79481 points

    Hi Serkan,

    You can use the Vcc On/Off button in the MSP-GANG GUI  (under the section marked "Target's Power Supply") to turn on the Vcc before you push the GO button to begin programming.

    However, I think you are going to have bigger problems here. You mentioned that you are using SBW to program the device, and that you have a "reset circuit". SBW communication uses the RST pin on the MSP430 as a bi-directional data line (which is why it is typically labeled RST/SBWTDIO). Therefore you are unlikely to have successful SBW programming if you have an external reset chip that is actively driving this line high or low, because it will interfere with the SBW communication. Have you ever been able to program your board with a FET tool or GANG at all? I think you would probably need some solution where your reset chip only controls the RST line if the board is externally powered rather than being powered by the MSP-GANG or FET tool.

    Typically we can only guarantee that the MSP-GANG programmer or other TI programmers will work with the connections listed in figures 2-1 through 2-3 of the hardware tools user's guide www.ti.com/lit/pdf/slau278

    Regards,

    Katie

  • 0 in reply to Katie Pier
    Intellectual 270 points

    Hi Katie,

    Thank you for your comment. 

    But I am using this aplication. Because I have  to write an unique ID.

    Under the example documents, I found C++ projects. And I open it with Visual Studio, Then I saw that we can able to change Vcc value, time and almost everything. :)

    Now I can program my device with 4 second delay reset circuit.

    And SBW communication looks ok with RST circuit.

    Thank you.

  • 0 in reply to Serkan AKBULUT
    TI__Guru* 79481 points

    Hi Serkan,

    I'm glad to hear that things are working for you now. Best of luck!

    -Katie

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